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Database: PDB
Entry: 6CTC
LinkDB: 6CTC
Original site: 6CTC 
HEADER    METAL TRANSPORT                         22-MAR-18   6CTC              
TITLE     CRYSTAL STRUCTURE OF HUMAN TRANSFERRIN BOUND TO TRIFERIC FPC IRON     
TITLE    2 PYROPHOSPHATE                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SEROTRANSFERRIN;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: TRANSFERRIN,BETA-1 METAL-BINDING GLOBULIN,SIDEROPHILIN;     
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: TF, PRO1400;                                                   
SOURCE   6 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 9606                                        
KEYWDS    IRON, PYROPHOSPHATE, TRANSFERRIN, TRIFERIC IRON, FPC, TRANSFUSION,    
KEYWDS   2 BLOOD, PLASMA, METAL TRANSPORT                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.E.EDWARDS,R.PRATT                                                   
REVDAT   3   04-OCT-23 6CTC    1       JRNL                                     
REVDAT   2   28-NOV-18 6CTC    1       JRNL                                     
REVDAT   1   24-OCT-18 6CTC    0                                                
JRNL        AUTH   R.PRATT,G.J.HANDELMAN,T.E.EDWARDS,A.GUPTA                    
JRNL        TITL   FERRIC PYROPHOSPHATE CITRATE: INTERACTIONS WITH TRANSFERRIN. 
JRNL        REF    BIOMETALS                     V.  31  1081 2018              
JRNL        REFN                   ESSN 1572-8773                               
JRNL        PMID   30311019                                                     
JRNL        DOI    10.1007/S10534-018-0142-2                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 34.38                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 23438                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.184                           
REMARK   3   R VALUE            (WORKING SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.140                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1204                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 34.3790 -  5.4023    0.99     2595   153  0.1617 0.2107        
REMARK   3     2  5.4023 -  4.2906    1.00     2509   129  0.1445 0.1985        
REMARK   3     3  4.2906 -  3.7490    1.00     2463   144  0.1602 0.2318        
REMARK   3     4  3.7490 -  3.4065    1.00     2484   123  0.1764 0.2705        
REMARK   3     5  3.4065 -  3.1625    1.00     2427   145  0.2031 0.3192        
REMARK   3     6  3.1625 -  2.9762    1.00     2447   118  0.2351 0.3175        
REMARK   3     7  2.9762 -  2.8272    1.00     2431   148  0.2348 0.3264        
REMARK   3     8  2.8272 -  2.7042    1.00     2451   111  0.2422 0.3384        
REMARK   3     9  2.7042 -  2.6001    1.00     2427   133  0.2677 0.3992        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.440            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.570           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 55.43                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 58.68                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 3 THROUGH 316 )                   
REMARK   3    ORIGIN FOR THE GROUP (A):  45.9767  11.2303   7.6382              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4472 T22:   0.4382                                     
REMARK   3      T33:   0.5158 T12:   0.0143                                     
REMARK   3      T13:   0.0584 T23:   0.0094                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5298 L22:   0.7341                                     
REMARK   3      L33:   2.7836 L12:   0.2073                                     
REMARK   3      L13:  -1.2012 L23:   0.4172                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0475 S12:  -0.0554 S13:   0.1300                       
REMARK   3      S21:  -0.1388 S22:   0.1230 S23:  -0.2692                       
REMARK   3      S31:  -0.0847 S32:   0.3856 S33:  -0.0773                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 317 THROUGH 679 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  14.7953  -8.1786  -1.9652              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4250 T22:   0.4502                                     
REMARK   3      T33:   0.3641 T12:  -0.0625                                     
REMARK   3      T13:   0.0054 T23:   0.0527                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.9112 L22:   1.3780                                     
REMARK   3      L33:   2.0055 L12:   0.5771                                     
REMARK   3      L13:   1.3935 L23:   0.9973                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2205 S12:  -0.3052 S13:  -0.1883                       
REMARK   3      S21:   0.1489 S22:  -0.1309 S23:   0.0114                       
REMARK   3      S31:   0.2258 S32:  -0.2555 S33:  -0.0642                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6CTC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAR-18.                  
REMARK 100 THE DEPOSITION ID IS D_1000233356.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-JUL-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-F                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97872                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23450                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 34.376                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 7.038                              
REMARK 200  R MERGE                    (I) : 0.04500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.5500                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.67                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.25                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 4H0W                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.97                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: APO HUMAN TRANSFERRIN (PROSPEC PRO-325   
REMARK 280  PURIFIED BY Q-SEPHAROSE) AT 56 MG/ML (0.76 MM) AGAINST MORPHEUS     
REMARK 280  SCREEN CONDITION D4 12.5% PEG 1000, 12.5% PEG3350, 12.5% MPD,       
REMARK 280  0.02 M EACH 1,6-HEXANEDIOL, 1-BUTANOL, RS-1,2-PROPANEDIOL, 2-       
REMARK 280  PROPANOL, 1,4-BUTANEDIOL, 1,3-PROPANEDIOL, 0.1 M MES/IMIDAZOLE      
REMARK 280  PH 6.5, CRYSTAL TRACKING ID 246352D4, UNIQUE PUCK ID SUV0-5,        
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       37.18500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       55.21500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       45.08000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       55.21500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       37.18500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       45.08000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     VAL A     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     ALA A   334                                                      
REMARK 465     PRO A   335                                                      
REMARK 465     THR A   336                                                      
REMARK 465     ASP A   337                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A   4    CG   CD   CE   NZ                                   
REMARK 470     GLU A  13    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  27    CG   CD   CE   NZ                                   
REMARK 470     LYS A  41    CG   CD   CE   NZ                                   
REMARK 470     GLU A  56    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  88    CG   CD   CE   NZ                                   
REMARK 470     GLU A  89    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 102    CG   CD   CE   NZ                                   
REMARK 470     LYS A 144    CG   CD   CE   NZ                                   
REMARK 470     LYS A 148    CG   CD   CE   NZ                                   
REMARK 470     THR A 165    OG1  CG2                                            
REMARK 470     GLN A 169    CG   CD   OE1  NE2                                  
REMARK 470     LEU A 182    CG   CD1  CD2                                       
REMARK 470     LYS A 196    CG   CD   CE   NZ                                   
REMARK 470     MET A 256    CG   SD   CE                                        
REMARK 470     LEU A 262    CG   CD1  CD2                                       
REMARK 470     GLU A 272    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 276    CG   CD   CE   NZ                                   
REMARK 470     LYS A 280    CG   CD   CE   NZ                                   
REMARK 470     GLU A 281    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 291    CG   CD   CE   NZ                                   
REMARK 470     PRO A 332    CG   CD                                             
REMARK 470     GLU A 333    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 338    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 340    CG   CD   CE   NZ                                   
REMARK 470     ASN A 361    CG   OD1  ND2                                       
REMARK 470     VAL A 363    CG1  CG2                                            
REMARK 470     LYS A 414    CG   CD   CE   NZ                                   
REMARK 470     ASP A 416    CG   OD1  OD2                                       
REMARK 470     ASN A 417    CG   OD1  ND2                                       
REMARK 470     LYS A 433    CG   CD   CE   NZ                                   
REMARK 470     LYS A 434    CG   CD   CE   NZ                                   
REMARK 470     ASP A 442    CG   OD1  OD2                                       
REMARK 470     LYS A 489    CG   CD   CE   NZ                                   
REMARK 470     LYS A 496    CG   CD   CE   NZ                                   
REMARK 470     GLN A 536    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 557    CG   CD   CE   NZ                                   
REMARK 470     THR A 567    OG1  CG2                                            
REMARK 470     LYS A 591    CG   CD   CE   NZ                                   
REMARK 470     GLN A 603    CG   CD   OE1  NE2                                  
REMARK 470     THR A 613    OG1  CG2                                            
REMARK 470     ASP A 614    CG   OD1  OD2                                       
REMARK 470     PHE A 619    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     LEU A 621    CG   CD1  CD2                                       
REMARK 470     ARG A 623    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 625    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 640    CG   CD   CE   NZ                                   
REMARK 470     ASP A 643    CG   OD1  OD2                                       
REMARK 470     ARG A 644    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 657    CG   CD   CE   NZ                                   
REMARK 470     ASN A 661    CG   OD1  ND2                                       
REMARK 470     ARG A 663    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 664    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    ASN A   417     OG1  THR A   421              2.12            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A  55       19.66     56.44                                   
REMARK 500    ASP A  58      -39.09   -132.14                                   
REMARK 500    ASP A  90       71.20   -163.64                                   
REMARK 500    SER A 125      -78.88    -76.64                                   
REMARK 500    TRP A 128      -69.26   -155.60                                   
REMARK 500    PHE A 167       76.92   -116.48                                   
REMARK 500    CYS A 241       73.83   -156.32                                   
REMARK 500    LYS A 259       35.54     75.96                                   
REMARK 500    LEU A 294      -44.34     72.18                                   
REMARK 500    SER A 348     -168.29     75.69                                   
REMARK 500    LEU A 439      125.51    -38.62                                   
REMARK 500    ASN A 443       73.11   -169.83                                   
REMARK 500    ALA A 453      149.60   -178.68                                   
REMARK 500    TRP A 460      -62.31   -148.63                                   
REMARK 500    LYS A 527      -31.85   -132.86                                   
REMARK 500    ASP A 565        8.10    -66.31                                   
REMARK 500    ASN A 584      156.67    -49.19                                   
REMARK 500    PHE A 608       19.13   -140.29                                   
REMARK 500    ASP A 614       90.20     57.60                                   
REMARK 500    SER A 624       90.53    -64.56                                   
REMARK 500    GLU A 625     -139.95    -99.51                                   
REMARK 500    LEU A 630      -59.37     75.66                                   
REMARK 500    HIS A 642     -128.69     53.69                                   
REMARK 500    SER A 668      109.45    -57.55                                   
REMARK 500    ARG A 678       87.32   -154.96                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE A 701  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TYR A 188   OH                                                     
REMARK 620 2 POP A 704   O3   79.6                                              
REMARK 620 3 POP A 704   P2  125.2  75.6                                        
REMARK 620 4 POP A 704   O4  159.1  84.5  36.2                                  
REMARK 620 5 POP A 704   O6   94.9  86.7  36.3  70.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE A 702  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 392   OD1                                                    
REMARK 620 2 TYR A 426   OH   92.1                                              
REMARK 620 3 TYR A 517   OH  171.0  95.7                                        
REMARK 620 4 HIS A 585   NE2  96.1  90.6  88.3                                  
REMARK 620 5 CO3 A 703   O2   85.5 152.8  85.5 116.6                            
REMARK 620 6 CO3 A 703   O3   83.7  89.9  91.8 179.4  62.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue FE A 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue FE A 702                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CO3 A 703                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue POP A 704                 
DBREF  6CTC A    1   679  UNP    P02787   TRFE_HUMAN      20    698             
SEQRES   1 A  679  VAL PRO ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU          
SEQRES   2 A  679  HIS GLU ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET          
SEQRES   3 A  679  LYS SER VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS          
SEQRES   4 A  679  VAL LYS LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE          
SEQRES   5 A  679  ALA ALA ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY          
SEQRES   6 A  679  LEU VAL TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS          
SEQRES   7 A  679  PRO VAL VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO          
SEQRES   8 A  679  GLN THR PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP          
SEQRES   9 A  679  SER GLY PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER          
SEQRES  10 A  679  CYS HIS THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE          
SEQRES  11 A  679  PRO ILE GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG          
SEQRES  12 A  679  LYS PRO LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY          
SEQRES  13 A  679  SER CYS ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN          
SEQRES  14 A  679  LEU CYS GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU          
SEQRES  15 A  679  ASN GLN TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU          
SEQRES  16 A  679  LYS ASP GLY ALA GLY ASP VAL ALA PHE VAL LYS HIS SER          
SEQRES  17 A  679  THR ILE PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP          
SEQRES  18 A  679  GLN TYR GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO          
SEQRES  19 A  679  VAL ASP GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO          
SEQRES  20 A  679  SER HIS THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU          
SEQRES  21 A  679  ASP LEU ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS          
SEQRES  22 A  679  PHE GLY LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER          
SEQRES  23 A  679  SER PRO HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA          
SEQRES  24 A  679  HIS GLY PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS          
SEQRES  25 A  679  MET TYR LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN          
SEQRES  26 A  679  LEU ARG GLU GLY THR CYS PRO GLU ALA PRO THR ASP GLU          
SEQRES  27 A  679  CYS LYS PRO VAL LYS TRP CYS ALA LEU SER HIS HIS GLU          
SEQRES  28 A  679  ARG LEU LYS CYS ASP GLU TRP SER VAL ASN SER VAL GLY          
SEQRES  29 A  679  LYS ILE GLU CYS VAL SER ALA GLU THR THR GLU ASP CYS          
SEQRES  30 A  679  ILE ALA LYS ILE MET ASN GLY GLU ALA ASP ALA MET SER          
SEQRES  31 A  679  LEU ASP GLY GLY PHE VAL TYR ILE ALA GLY LYS CYS GLY          
SEQRES  32 A  679  LEU VAL PRO VAL LEU ALA GLU ASN TYR ASN LYS SER ASP          
SEQRES  33 A  679  ASN CYS GLU ASP THR PRO GLU ALA GLY TYR PHE ALA ILE          
SEQRES  34 A  679  ALA VAL VAL LYS LYS SER ALA SER ASP LEU THR TRP ASP          
SEQRES  35 A  679  ASN LEU LYS GLY LYS LYS SER CYS HIS THR ALA VAL GLY          
SEQRES  36 A  679  ARG THR ALA GLY TRP ASN ILE PRO MET GLY LEU LEU TYR          
SEQRES  37 A  679  ASN LYS ILE ASN HIS CYS ARG PHE ASP GLU PHE PHE SER          
SEQRES  38 A  679  GLU GLY CYS ALA PRO GLY SER LYS LYS ASP SER SER LEU          
SEQRES  39 A  679  CYS LYS LEU CYS MET GLY SER GLY LEU ASN LEU CYS GLU          
SEQRES  40 A  679  PRO ASN ASN LYS GLU GLY TYR TYR GLY TYR THR GLY ALA          
SEQRES  41 A  679  PHE ARG CYS LEU VAL GLU LYS GLY ASP VAL ALA PHE VAL          
SEQRES  42 A  679  LYS HIS GLN THR VAL PRO GLN ASN THR GLY GLY LYS ASN          
SEQRES  43 A  679  PRO ASP PRO TRP ALA LYS ASN LEU ASN GLU LYS ASP TYR          
SEQRES  44 A  679  GLU LEU LEU CYS LEU ASP GLY THR ARG LYS PRO VAL GLU          
SEQRES  45 A  679  GLU TYR ALA ASN CYS HIS LEU ALA ARG ALA PRO ASN HIS          
SEQRES  46 A  679  ALA VAL VAL THR ARG LYS ASP LYS GLU ALA CYS VAL HIS          
SEQRES  47 A  679  LYS ILE LEU ARG GLN GLN GLN HIS LEU PHE GLY SER ASN          
SEQRES  48 A  679  VAL THR ASP CYS SER GLY ASN PHE CYS LEU PHE ARG SER          
SEQRES  49 A  679  GLU THR LYS ASP LEU LEU PHE ARG ASP ASP THR VAL CYS          
SEQRES  50 A  679  LEU ALA LYS LEU HIS ASP ARG ASN THR TYR GLU LYS TYR          
SEQRES  51 A  679  LEU GLY GLU GLU TYR VAL LYS ALA VAL GLY ASN LEU ARG          
SEQRES  52 A  679  LYS CYS SER THR SER SER LEU LEU GLU ALA CYS THR PHE          
SEQRES  53 A  679  ARG ARG PRO                                                  
HET     FE  A 701       1                                                       
HET     FE  A 702       1                                                       
HET    CO3  A 703       4                                                       
HET    POP  A 704       9                                                       
HETNAM      FE FE (III) ION                                                     
HETNAM     CO3 CARBONATE ION                                                    
HETNAM     POP PYROPHOSPHATE 2-                                                 
FORMUL   2   FE    2(FE 3+)                                                     
FORMUL   4  CO3    C O3 2-                                                      
FORMUL   5  POP    H2 O7 P2 2-                                                  
FORMUL   6  HOH   *62(H2 O)                                                     
HELIX    1 AA1 SER A   12  ILE A   30  1                                  19    
HELIX    2 AA2 SER A   44  ALA A   54  1                                  11    
HELIX    3 AA3 ASP A   63  LEU A   72  1                                  10    
HELIX    4 AA4 GLN A  108  LEU A  112  5                                   5    
HELIX    5 AA5 TRP A  128  TYR A  136  1                                   9    
HELIX    6 AA6 CYS A  137  LEU A  139  5                                   3    
HELIX    7 AA7 PRO A  145  ASN A  152  1                                   8    
HELIX    8 AA8 PHE A  167  GLN A  172  5                                   6    
HELIX    9 AA9 PHE A  186  ASP A  197  1                                  12    
HELIX   10 AB1 HIS A  207  GLU A  212  1                                   6    
HELIX   11 AB2 ASN A  216  ASP A  221  1                                   6    
HELIX   12 AB3 ASP A  236  CYS A  241  5                                   6    
HELIX   13 AB4 LYS A  259  GLY A  275  1                                  17    
HELIX   14 AB5 ASP A  310  GLY A  316  1                                   7    
HELIX   15 AB6 GLY A  316  GLY A  329  1                                  14    
HELIX   16 AB7 SER A  348  SER A  362  1                                  15    
HELIX   17 AB8 THR A  373  GLY A  384  1                                  12    
HELIX   18 AB9 ASP A  392  CYS A  402  1                                  11    
HELIX   19 AC1 ASN A  417  THR A  421  5                                   5    
HELIX   20 AC2 TRP A  460  ASN A  472  1                                  13    
HELIX   21 AC3 ARG A  475  PHE A  480  1                                   6    
HELIX   22 AC4 SER A  492  LYS A  496  5                                   5    
HELIX   23 AC5 SER A  501  LEU A  505  5                                   5    
HELIX   24 AC6 TYR A  515  LYS A  527  1                                  13    
HELIX   25 AC7 GLN A  536  THR A  542  1                                   7    
HELIX   26 AC8 ASN A  555  LYS A  557  5                                   3    
HELIX   27 AC9 GLU A  572  CYS A  577  5                                   6    
HELIX   28 AD1 LYS A  593  GLY A  609  1                                  17    
HELIX   29 AD2 THR A  646  LEU A  662  1                                  17    
HELIX   30 AD3 ARG A  663  SER A  666  5                                   4    
HELIX   31 AD4 SER A  668  ARG A  678  1                                  11    
SHEET    1 AA1 2 THR A   5  ALA A  10  0                                        
SHEET    2 AA1 2 SER A  36  LYS A  41  1  O  VAL A  40   N  ALA A  10           
SHEET    1 AA2 4 VAL A  60  LEU A  62  0                                        
SHEET    2 AA2 4 THR A 250  ARG A 254 -1  O  VAL A 252   N  VAL A  60           
SHEET    3 AA2 4 LEU A  77  PHE A  84 -1  N  VAL A  81   O  VAL A 251           
SHEET    4 AA2 4 GLY A 301  LYS A 304 -1  O  LEU A 303   N  ALA A  82           
SHEET    1 AA3 6 GLY A 156  CYS A 158  0                                        
SHEET    2 AA3 6 LYS A 116  HIS A 119  1  N  HIS A 119   O  CYS A 158           
SHEET    3 AA3 6 VAL A 202  LYS A 206  1  O  VAL A 202   N  CYS A 118           
SHEET    4 AA3 6 PHE A  94  LYS A 102 -1  N  VAL A  98   O  VAL A 205           
SHEET    5 AA3 6 TYR A 223  LEU A 226 -1  O  LEU A 226   N  ALA A  99           
SHEET    6 AA3 6 ARG A 232  PRO A 234 -1  O  LYS A 233   N  LEU A 225           
SHEET    1 AA4 5 GLY A 156  CYS A 158  0                                        
SHEET    2 AA4 5 LYS A 116  HIS A 119  1  N  HIS A 119   O  CYS A 158           
SHEET    3 AA4 5 VAL A 202  LYS A 206  1  O  VAL A 202   N  CYS A 118           
SHEET    4 AA4 5 PHE A  94  LYS A 102 -1  N  VAL A  98   O  VAL A 205           
SHEET    5 AA4 5 ALA A 244  PRO A 247 -1  O  VAL A 246   N  TYR A  95           
SHEET    1 AA5 2 VAL A 342  LEU A 347  0                                        
SHEET    2 AA5 2 ILE A 366  ALA A 371  1  O  GLU A 367   N  TRP A 344           
SHEET    1 AA6 4 MET A 389  LEU A 391  0                                        
SHEET    2 AA6 4 ALA A 586  THR A 589 -1  O  VAL A 588   N  MET A 389           
SHEET    3 AA6 4 VAL A 405  ASN A 411 -1  N  LEU A 408   O  VAL A 587           
SHEET    4 AA6 4 CYS A 637  LYS A 640 -1  O  ALA A 639   N  ALA A 409           
SHEET    1 AA7 6 GLU A 482  CYS A 484  0                                        
SHEET    2 AA7 6 LYS A 448  HIS A 451  1  N  HIS A 451   O  CYS A 484           
SHEET    3 AA7 6 VAL A 530  LYS A 534  1  O  PHE A 532   N  CYS A 450           
SHEET    4 AA7 6 TYR A 426  LYS A 433 -1  N  VAL A 431   O  ALA A 531           
SHEET    5 AA7 6 TYR A 559  LEU A 562 -1  O  GLU A 560   N  VAL A 432           
SHEET    6 AA7 6 ARG A 568  PRO A 570 -1  O  LYS A 569   N  LEU A 561           
SHEET    1 AA8 5 GLU A 482  CYS A 484  0                                        
SHEET    2 AA8 5 LYS A 448  HIS A 451  1  N  HIS A 451   O  CYS A 484           
SHEET    3 AA8 5 VAL A 530  LYS A 534  1  O  PHE A 532   N  CYS A 450           
SHEET    4 AA8 5 TYR A 426  LYS A 433 -1  N  VAL A 431   O  ALA A 531           
SHEET    5 AA8 5 ALA A 580  ALA A 582 -1  O  ALA A 580   N  ALA A 428           
SSBOND   1 CYS A    9    CYS A   48                          1555   1555  2.06  
SSBOND   2 CYS A   19    CYS A   39                          1555   1555  2.06  
SSBOND   3 CYS A  118    CYS A  194                          1555   1555  2.04  
SSBOND   4 CYS A  137    CYS A  331                          1555   1555  2.05  
SSBOND   5 CYS A  158    CYS A  174                          1555   1555  2.03  
SSBOND   6 CYS A  161    CYS A  179                          1555   1555  2.04  
SSBOND   7 CYS A  171    CYS A  177                          1555   1555  2.02  
SSBOND   8 CYS A  227    CYS A  241                          1555   1555  2.02  
SSBOND   9 CYS A  339    CYS A  596                          1555   1555  2.02  
SSBOND  10 CYS A  345    CYS A  377                          1555   1555  2.12  
SSBOND  11 CYS A  355    CYS A  368                          1555   1555  2.05  
SSBOND  12 CYS A  402    CYS A  674                          1555   1555  2.03  
SSBOND  13 CYS A  418    CYS A  637                          1555   1555  2.05  
SSBOND  14 CYS A  450    CYS A  523                          1555   1555  2.01  
SSBOND  15 CYS A  474    CYS A  665                          1555   1555  2.03  
SSBOND  16 CYS A  484    CYS A  498                          1555   1555  2.04  
SSBOND  17 CYS A  495    CYS A  506                          1555   1555  2.02  
SSBOND  18 CYS A  563    CYS A  577                          1555   1555  2.03  
SSBOND  19 CYS A  615    CYS A  620                          1555   1555  2.02  
LINK         OH  TYR A 188                FE    FE A 701     1555   1555  2.54  
LINK         OD1 ASP A 392                FE    FE A 702     1555   1555  2.06  
LINK         OH  TYR A 426                FE    FE A 702     1555   1555  2.13  
LINK         OH  TYR A 517                FE    FE A 702     1555   1555  1.95  
LINK         NE2 HIS A 585                FE    FE A 702     1555   1555  2.19  
LINK        FE    FE A 701                 O3  POP A 704     1555   1555  2.56  
LINK        FE    FE A 701                 P2  POP A 704     1555   1555  2.55  
LINK        FE    FE A 701                 O4  POP A 704     1555   1555  2.14  
LINK        FE    FE A 701                 O6  POP A 704     1555   1555  2.14  
LINK        FE    FE A 702                 O2  CO3 A 703     1555   1555  2.47  
LINK        FE    FE A 702                 O3  CO3 A 703     1555   1555  1.77  
CISPEP   1 ALA A   73    PRO A   74          0         4.66                     
CISPEP   2 GLU A  141    PRO A  142          0        -2.34                     
CISPEP   3 LYS A  144    PRO A  145          0        -0.23                     
SITE     1 AC1  3 ARG A 124  TYR A 188  POP A 704                               
SITE     1 AC2  5 ASP A 392  TYR A 426  TYR A 517  HIS A 585                    
SITE     2 AC2  5 CO3 A 703                                                     
SITE     1 AC3  9 ASP A 392  TYR A 426  THR A 452  ARG A 456                    
SITE     2 AC3  9 THR A 457  ALA A 458  GLY A 459  TYR A 517                    
SITE     3 AC3  9  FE A 702                                                     
SITE     1 AC4 10 ASP A  63  TYR A  95  ARG A 124  SER A 125                    
SITE     2 AC4 10 TYR A 188  LYS A 206  LYS A 296   FE A 701                    
SITE     3 AC4 10 HOH A 813  HOH A 838                                          
CRYST1   74.370   90.160  110.430  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013446  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011091  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009056        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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