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Entry: 5GU6
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HEADER    CHAPERONE                               26-AUG-16   5GU6              
TITLE     CRYSTAL STRUCTURE OF HUMAN ERP44 FORM I                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDOPLASMIC RETICULUM RESIDENT PROTEIN 44;                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 30-402;                                       
COMPND   5 SYNONYM: ERP44,THIOREDOXIN DOMAIN-CONTAINING PROTEIN 4;              
COMPND   6 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: ERP44, KIAA0573, TXNDC4, UNQ532/PRO1075;                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CHAPERONE, QUALITY CONTROL                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.WATANABE,K.INABA                                                    
REVDAT   3   08-NOV-23 5GU6    1       REMARK                                   
REVDAT   2   03-MAY-17 5GU6    1       JRNL                                     
REVDAT   1   12-APR-17 5GU6    0                                                
JRNL        AUTH   S.WATANABE,M.HARAYAMA,S.KANEMURA,R.SITIA,K.INABA             
JRNL        TITL   STRUCTURAL BASIS OF PH-DEPENDENT CLIENT BINDING BY ERP44, A  
JRNL        TITL 2 KEY REGULATOR OF PROTEIN SECRETION AT THE ER-GOLGI INTERFACE 
JRNL        REF    PROC. NATL. ACAD. SCI.        V. 114 E3224 2017              
JRNL        REF  2 U.S.A.                                                       
JRNL        REFN                   ESSN 1091-6490                               
JRNL        PMID   28373561                                                     
JRNL        DOI    10.1073/PNAS.1621426114                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (1.10.1_2155: ???)                            
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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.61                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.350                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 36959                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.206                           
REMARK   3   R VALUE            (WORKING SET) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.820                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1782                            
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 19.6078 -  4.6830    0.99     2856   142  0.1703 0.1947        
REMARK   3     2  4.6830 -  3.7253    1.00     2724   178  0.1619 0.1977        
REMARK   3     3  3.7253 -  3.2569    1.00     2755   123  0.2051 0.2620        
REMARK   3     4  3.2569 -  2.9602    1.00     2721   147  0.2499 0.2985        
REMARK   3     5  2.9602 -  2.7486    1.00     2729   121  0.2550 0.3205        
REMARK   3     6  2.7486 -  2.5870    1.00     2705   138  0.2551 0.3105        
REMARK   3     7  2.5870 -  2.4577    1.00     2675   147  0.2445 0.2505        
REMARK   3     8  2.4577 -  2.3509    1.00     2695   121  0.2494 0.2698        
REMARK   3     9  2.3509 -  2.2605    1.00     2678   134  0.2535 0.3178        
REMARK   3    10  2.2605 -  2.1826    1.00     2663   147  0.2516 0.2952        
REMARK   3    11  2.1826 -  2.1144    1.00     2658   136  0.2602 0.3242        
REMARK   3    12  2.1144 -  2.0541    1.00     2700   107  0.2772 0.2864        
REMARK   3    13  2.0541 -  2.0000    0.99     2618   141  0.3057 0.3342        
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)     : 0.260            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.840           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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      :  0.004           3166                                  
REMARK   3   ANGLE     :  0.665           4297                                  
REMARK   3   CHIRALITY :  0.048            459                                  
REMARK   3   PLANARITY :  0.006            576                                  
REMARK   3   DIHEDRAL  : 18.845           1187                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 3                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID -4 THROUGH 112)                   
REMARK   3    ORIGIN FOR THE GROUP (A): -28.1110   3.5946   6.8707              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.6333 T22:   0.3945                                     
REMARK   3      T33:   0.4656 T12:  -0.0233                                     
REMARK   3      T13:  -0.2089 T23:   0.0292                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.2387 L22:   2.9139                                     
REMARK   3      L33:   1.9729 L12:   0.4491                                     
REMARK   3      L13:  -0.1768 L23:  -0.5109                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1408 S12:  -0.4654 S13:  -0.2431                       
REMARK   3      S21:   0.7098 S22:  -0.1232 S23:  -0.4338                       
REMARK   3      S31:  -0.0280 S32:   0.2640 S33:  -0.0437                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 113 THROUGH 215 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  -7.0336  22.4500  -3.4393              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4822 T22:   0.5747                                     
REMARK   3      T33:   0.6359 T12:  -0.0232                                     
REMARK   3      T13:  -0.0844 T23:  -0.0265                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.5637 L22:   4.7412                                     
REMARK   3      L33:   1.8236 L12:  -0.3922                                     
REMARK   3      L13:   0.3160 L23:  -0.9793                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2250 S12:   0.0975 S13:  -0.4446                       
REMARK   3      S21:  -0.1706 S22:   0.0125 S23:  -0.8667                       
REMARK   3      S31:   0.2308 S32:   0.4466 S33:  -0.1834                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 216 THROUGH 373 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): -31.8033  14.4704 -25.5896              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.5890 T22:   0.2939                                     
REMARK   3      T33:   0.4783 T12:  -0.0259                                     
REMARK   3      T13:  -0.1508 T23:   0.0618                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.7701 L22:   1.8801                                     
REMARK   3      L33:   3.9770 L12:   0.3228                                     
REMARK   3      L13:  -0.7565 L23:  -1.2598                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0534 S12:   0.2357 S13:   0.3226                       
REMARK   3      S21:   0.1527 S22:  -0.1516 S23:  -0.3075                       
REMARK   3      S31:  -0.6826 S32:   0.0642 S33:   0.1787                       
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 5GU6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-SEP-16.                  
REMARK 100 THE DEPOSITION ID IS D_1300001454.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-APR-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL44XU                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RAYONIX MX300HE                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36963                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.610                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 18.20                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 11.14                              
REMARK 200  R MERGE FOR SHELL          (I) : 1.12500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 2R2J                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.94                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.07                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: POLYETHYLENE GLYCOL (PEG) 8000, PH       
REMARK 280  7.2, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       46.63667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       93.27333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       93.27333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       46.63667            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2890 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 36640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 KCAL/MOL                        
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 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -46.63667            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 558  LIES ON A SPECIAL POSITION.                          
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     GLY A    -5                                                      
REMARK 465     GLY A   343                                                      
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     HIS A  -3    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLU A  48    CG   CD   OE1  OE2                                  
REMARK 470     ASN A  52    CG   OD1  ND2                                       
REMARK 470     GLU A  53    CG   CD   OE1  OE2                                  
REMARK 470     GLN A 140    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 171    CG   CD   CE   NZ                                   
REMARK 470     TYR A 175    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LYS A 262    CG   CD   CE   NZ                                   
REMARK 470     PHE A 320    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     GLU A 344    CG   CD   OE1  OE2                                  
REMARK 470     ASP A 373    CG   OD1  OD2                                       
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    HOH A   527     O    HOH A   597              1.87            
REMARK 500   O    HOH A   544     O    HOH A   598              2.08            
REMARK 500   NE2  GLN A   345     O    HOH A   501              2.10            
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  54       32.81   -146.45                                   
REMARK 500    ALA A 341       81.28   -165.53                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 401                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5GU7   RELATED DB: PDB                                   
DBREF  5GU6 A    1   373  UNP    Q9BS26   ERP44_HUMAN     30    402             
SEQADV 5GU6 GLY A   -5  UNP  Q9BS26              EXPRESSION TAG                 
SEQADV 5GU6 SER A   -4  UNP  Q9BS26              EXPRESSION TAG                 
SEQADV 5GU6 HIS A   -3  UNP  Q9BS26              EXPRESSION TAG                 
SEQADV 5GU6 MET A   -2  UNP  Q9BS26              EXPRESSION TAG                 
SEQADV 5GU6 ALA A   -1  UNP  Q9BS26              EXPRESSION TAG                 
SEQADV 5GU6 SER A    0  UNP  Q9BS26              EXPRESSION TAG                 
SEQRES   1 A  379  GLY SER HIS MET ALA SER GLU ILE THR SER LEU ASP THR          
SEQRES   2 A  379  GLU ASN ILE ASP GLU ILE LEU ASN ASN ALA ASP VAL ALA          
SEQRES   3 A  379  LEU VAL ASN PHE TYR ALA ASP TRP CYS ARG PHE SER GLN          
SEQRES   4 A  379  MET LEU HIS PRO ILE PHE GLU GLU ALA SER ASP VAL ILE          
SEQRES   5 A  379  LYS GLU GLU PHE PRO ASN GLU ASN GLN VAL VAL PHE ALA          
SEQRES   6 A  379  ARG VAL ASP CYS ASP GLN HIS SER ASP ILE ALA GLN ARG          
SEQRES   7 A  379  TYR ARG ILE SER LYS TYR PRO THR LEU LYS LEU PHE ARG          
SEQRES   8 A  379  ASN GLY MET MET MET LYS ARG GLU TYR ARG GLY GLN ARG          
SEQRES   9 A  379  SER VAL LYS ALA LEU ALA ASP TYR ILE ARG GLN GLN LYS          
SEQRES  10 A  379  SER ASP PRO ILE GLN GLU ILE ARG ASP LEU ALA GLU ILE          
SEQRES  11 A  379  THR THR LEU ASP ARG SER LYS ARG ASN ILE ILE GLY TYR          
SEQRES  12 A  379  PHE GLU GLN LYS ASP SER ASP ASN TYR ARG VAL PHE GLU          
SEQRES  13 A  379  ARG VAL ALA ASN ILE LEU HIS ASP ASP CYS ALA PHE LEU          
SEQRES  14 A  379  SER ALA PHE GLY ASP VAL SER LYS PRO GLU ARG TYR SER          
SEQRES  15 A  379  GLY ASP ASN ILE ILE TYR LYS PRO PRO GLY HIS SER ALA          
SEQRES  16 A  379  PRO ASP MET VAL TYR LEU GLY ALA MET THR ASN PHE ASP          
SEQRES  17 A  379  VAL THR TYR ASN TRP ILE GLN ASP LYS CYS VAL PRO LEU          
SEQRES  18 A  379  VAL ARG GLU ILE THR PHE GLU ASN GLY GLU GLU LEU THR          
SEQRES  19 A  379  GLU GLU GLY LEU PRO PHE LEU ILE LEU PHE HIS MET LYS          
SEQRES  20 A  379  GLU ASP THR GLU SER LEU GLU ILE PHE GLN ASN GLU VAL          
SEQRES  21 A  379  ALA ARG GLN LEU ILE SER GLU LYS GLY THR ILE ASN PHE          
SEQRES  22 A  379  LEU HIS ALA ASP CYS ASP LYS PHE ARG HIS PRO LEU LEU          
SEQRES  23 A  379  HIS ILE GLN LYS THR PRO ALA ASP CYS PRO VAL ILE ALA          
SEQRES  24 A  379  ILE ASP SER PHE ARG HIS MET TYR VAL PHE GLY ASP PHE          
SEQRES  25 A  379  LYS ASP VAL LEU ILE PRO GLY LYS LEU LYS GLN PHE VAL          
SEQRES  26 A  379  PHE ASP LEU HIS SER GLY LYS LEU HIS ARG GLU PHE HIS          
SEQRES  27 A  379  HIS GLY PRO ASP PRO THR ASP THR ALA PRO GLY GLU GLN          
SEQRES  28 A  379  ALA GLN ASP VAL ALA SER SER PRO PRO GLU SER SER PHE          
SEQRES  29 A  379  GLN LYS LEU ALA PRO SER GLU TYR ARG TYR THR LEU LEU          
SEQRES  30 A  379  ARG ASP                                                      
HET     CL  A 401       1                                                       
HETNAM      CL CHLORIDE ION                                                     
FORMUL   2   CL    CL 1-                                                        
FORMUL   3  HOH   *111(H2 O)                                                    
HELIX    1 AA1 ASN A    9  ALA A   17  1                                   9    
HELIX    2 AA2 CYS A   29  PHE A   50  1                                  22    
HELIX    3 AA3 HIS A   66  TYR A   73  1                                   8    
HELIX    4 AA4 SER A   99  SER A  112  1                                  14    
HELIX    5 AA5 LEU A  121  THR A  126  1                                   6    
HELIX    6 AA6 SER A  143  HIS A  157  1                                  15    
HELIX    7 AA7 PHE A  166  LYS A  171  1                                   6    
HELIX    8 AA8 PRO A  172  ARG A  174  5                                   3    
HELIX    9 AA9 ASN A  200  VAL A  213  1                                  14    
HELIX   10 AB1 ASN A  223  GLU A  230  1                                   8    
HELIX   11 AB2 ASP A  243  LEU A  258  1                                  16    
HELIX   12 AB3 ILE A  259  LYS A  262  5                                   4    
HELIX   13 AB4 PHE A  275  ILE A  282  1                                   8    
HELIX   14 AB5 THR A  285  CYS A  289  5                                   5    
HELIX   15 AB6 ASP A  305  ILE A  311  5                                   7    
HELIX   16 AB7 GLY A  313  SER A  324  1                                  12    
HELIX   17 AB8 GLY A  325  GLY A  334  1                                  10    
HELIX   18 AB9 SER A  357  ALA A  362  5                                   6    
SHEET    1 AA1 5 THR A   3  SER A   4  0                                        
SHEET    2 AA1 5 VAL A  57  ASP A  62  1  O  ARG A  60   N  THR A   3           
SHEET    3 AA1 5 ALA A  20  TYR A  25  1  N  ASN A  23   O  VAL A  61           
SHEET    4 AA1 5 THR A  80  ARG A  85 -1  O  THR A  80   N  PHE A  24           
SHEET    5 AA1 5 MET A  88  MET A  89 -1  O  MET A  88   N  ARG A  85           
SHEET    1 AA2 2 LYS A  77  TYR A  78  0                                        
SHEET    2 AA2 2 THR A 369  LEU A 370 -1  O  THR A 369   N  TYR A  78           
SHEET    1 AA3 5 GLN A 116  GLU A 117  0                                        
SHEET    2 AA3 5 ALA A 161  ALA A 165  1  O  PHE A 162   N  GLN A 116           
SHEET    3 AA3 5 ASN A 133  TYR A 137  1  N  GLY A 136   O  LEU A 163           
SHEET    4 AA3 5 ASN A 179  LYS A 183 -1  O  LYS A 183   N  ASN A 133           
SHEET    5 AA3 5 MET A 192  VAL A 193 -1  O  MET A 192   N  TYR A 182           
SHEET    1 AA4 5 ARG A 217  GLU A 218  0                                        
SHEET    2 AA4 5 ASN A 266  ASP A 271  1  O  HIS A 269   N  ARG A 217           
SHEET    3 AA4 5 PHE A 234  HIS A 239  1  N  LEU A 235   O  ASN A 266           
SHEET    4 AA4 5 VAL A 291  ASP A 295 -1  O  VAL A 291   N  PHE A 238           
SHEET    5 AA4 5 MET A 300  VAL A 302 -1  O  TYR A 301   N  ILE A 294           
CISPEP   1 TYR A   78    PRO A   79          0        -7.74                     
CISPEP   2 CYS A  289    PRO A  290          0         4.94                     
SITE     1 AC1  2 SER A 296  TYR A 301                                          
CRYST1   81.630   81.630  139.910  90.00  90.00 120.00 P 31 2 1      6          
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      0.012250  0.007073  0.000000        0.00000                         
SCALE2      0.000000  0.014146  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007147        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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