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Database: PDB
Entry: 1IIK
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Original site: 1IIK 
HEADER    TRANSPORT PROTEIN                       23-APR-01   1IIK              
TITLE     CRYSTAL STRUCTURE OF THE TRANSTHYRETIN MUTANT TTR Y114C-DATA COLLECTED
TITLE    2 AT CRYO TEMPERATURE                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSTHYRETIN;                                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: TRANSTHYRETIN;                                             
COMPND   5 SYNONYM: TBPA, TTR, ATTR;                                            
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: TTR;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET3                                      
KEYWDS    GREEK KEY, BETA BARREL, TRANSPORT PROTEIN                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.ENEQVIST,A.OLOFSSON,Y.ANDO,E.LUNDGREN,A.E.SAUER-ERIKSSON            
REVDAT   5   16-AUG-23 1IIK    1       REMARK                                   
REVDAT   4   27-OCT-21 1IIK    1       REMARK SEQADV LINK                       
REVDAT   3   13-JUL-11 1IIK    1       VERSN                                    
REVDAT   2   24-FEB-09 1IIK    1       VERSN                                    
REVDAT   1   15-NOV-02 1IIK    0                                                
JRNL        AUTH   T.ENEQVIST,A.OLOFSSON,Y.ANDO,T.MIYAKAWA,S.KATSURAGI,J.JASS,  
JRNL        AUTH 2 E.LUNDGREN,A.E.SAUER-ERIKSSON                                
JRNL        TITL   DISULFIDE-BOND FORMATION IN THE TRANSTHYRETIN MUTANT Y114C   
JRNL        TITL 2 PREVENTS AMYLOID FIBRIL FORMATION IN VIVO AND IN VITRO       
JRNL        REF    BIOCHEMISTRY                  V.  41 13143 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12403615                                                     
JRNL        DOI    10.1021/BI025800W                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.32                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 14658                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.192                           
REMARK   3   FREE R VALUE                     : 0.239                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 11.200                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1649                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1773                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 24                                      
REMARK   3   SOLVENT ATOMS            : 198                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 14.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.41                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.27000                                              
REMARK   3    B22 (A**2) : -0.06000                                             
REMARK   3    B33 (A**2) : -0.21000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.220         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.184         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.174         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.067         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.009 ; 0.021               
REMARK   3    ANGLE DISTANCE                  (A) : 1.256 ; 1.939               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.004 ; 0.020               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.075 ; 0.200               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 3.895 ; 3.000               
REMARK   3    MULTIPLE TORSION                (A) : 17.749; 15.000              
REMARK   3    H-BOND (X...Y)                  (A) : 0.162 ; 0.500               
REMARK   3    H-BOND (X-H...Y)                (A) : 0.223 ; 0.300               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 0.731 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.399 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.849 ; 3.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.129 ; 4.500                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: OCCUPANCY OF BME MOLECULES WERE REFINED   
REMARK   3  AFTER STRUCTURAL OVERALL B-FACTOR REFINEMENT                        
REMARK   4                                                                      
REMARK   4 1IIK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013301.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-OCT-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : ENRAF-NONIUS                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MACSCIENCE                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16411                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.5000                             
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     (%) : 94.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1F41                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.53                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 40% PEG 550 MONOMETHYL ETHER, 0.1M       
REMARK 280  SODIUM CITRATE, 0.1M AMMONIUM SULPHATE, 0.1% BME, PH 5.0, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP AT 298K, TEMPERATURE 298.0K                 
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       21.64400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       42.64400            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.64400            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       42.64400            
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 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED BY   
REMARK 300 THE TWO FOLD AXIS: -X, -Y, Z.                                        
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 6770 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19780 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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       43.28800            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       85.28800            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
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 915  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 996  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 915  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 947  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 995  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     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     GLY A     6                                                      
REMARK 465     GLU A     7                                                      
REMARK 465     SER A     8                                                      
REMARK 465     LYS A     9                                                      
REMARK 465     LYS A   126                                                      
REMARK 465     GLU A   127                                                      
REMARK 465     GLY B     1                                                      
REMARK 465     PRO B     2                                                      
REMARK 465     THR B     3                                                      
REMARK 465     GLY B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     GLY B     6                                                      
REMARK 465     GLU B     7                                                      
REMARK 465     SER B     8                                                      
REMARK 465     LYS B     9                                                      
REMARK 465     PRO B   125                                                      
REMARK 465     LYS B   126                                                      
REMARK 465     GLU B   127                                                      
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    HIS A  90     -179.92   -172.74                                   
REMARK 500    PRO B 102     -175.73    -53.97                                   
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 BME A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 902                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 903                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 904                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 905                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 906                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1III   RELATED DB: PDB                                   
REMARK 900 A SINGLE MUTANT TTR Y114C AT ROOM TEMPERATURE                        
REMARK 900 RELATED ID: 1IIM   RELATED DB: PDB                                   
REMARK 900 A DOUBLE MUTANT OF TRANSTHYRETIN                                     
REMARK 900 RELATED ID: 1IIN   RELATED DB: PDB                                   
REMARK 900 A DOUBLE MUTANT OF TRANSTHYRETIN                                     
DBREF  1IIK A    1   127  UNP    P02766   TTHY_HUMAN      21    147             
DBREF  1IIK B    1   127  UNP    P02766   TTHY_HUMAN      21    147             
SEQADV 1IIK CYS A  114  UNP  P02766    TYR   134 ENGINEERED MUTATION            
SEQADV 1IIK CYS B  114  UNP  P02766    TYR   134 ENGINEERED MUTATION            
SEQRES   1 A  127  GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET          
SEQRES   2 A  127  VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE          
SEQRES   3 A  127  ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP          
SEQRES   4 A  127  THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER          
SEQRES   5 A  127  GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL          
SEQRES   6 A  127  GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR          
SEQRES   7 A  127  TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA          
SEQRES   8 A  127  GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG          
SEQRES   9 A  127  TYR THR ILE ALA ALA LEU LEU SER PRO CYS SER TYR SER          
SEQRES  10 A  127  THR THR ALA VAL VAL THR ASN PRO LYS GLU                      
SEQRES   1 B  127  GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET          
SEQRES   2 B  127  VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE          
SEQRES   3 B  127  ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP          
SEQRES   4 B  127  THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER          
SEQRES   5 B  127  GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL          
SEQRES   6 B  127  GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR          
SEQRES   7 B  127  TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA          
SEQRES   8 B  127  GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG          
SEQRES   9 B  127  TYR THR ILE ALA ALA LEU LEU SER PRO CYS SER TYR SER          
SEQRES  10 B  127  THR THR ALA VAL VAL THR ASN PRO LYS GLU                      
HET    BME  A 901       4                                                       
HET    BME  A 903       4                                                       
HET    BME  A 904       4                                                       
HET    BME  B 902       4                                                       
HET    BME  B 905       4                                                       
HET    BME  B 906       4                                                       
HETNAM     BME BETA-MERCAPTOETHANOL                                             
FORMUL   3  BME    6(C2 H6 O S)                                                 
FORMUL   9  HOH   *198(H2 O)                                                    
HELIX    1   1 ASP A   74  ALA A   81  1                                   8    
HELIX    2   2 ASP B   74  LEU B   82  1                                   9    
SHEET    1   A 4 TRP A  41  LYS A  48  0                                        
SHEET    2   A 4 ALA A  29  LYS A  35 -1  N  VAL A  30   O  GLY A  47           
SHEET    3   A 4 GLY A  67  ILE A  73 -1  O  ILE A  68   N  LYS A  35           
SHEET    4   A 4 ALA A  91  ALA A  97 -1  O  ALA A  91   N  ILE A  73           
SHEET    1   B 4 TRP B  41  LYS B  48  0                                        
SHEET    2   B 4 ALA B  29  LYS B  35 -1  N  VAL B  30   O  GLY B  47           
SHEET    3   B 4 GLY B  67  ILE B  73 -1  O  ILE B  68   N  LYS B  35           
SHEET    4   B 4 ALA B  91  ALA B  97 -1  O  ALA B  91   N  ILE B  73           
LINK         SG  CYS A 114                 S2  BME A 901     1555   1555  2.00  
LINK         S2  BME A 903                 S2  BME A 904     1555   1555  2.03  
LINK         C1  BME A 903                 C2  BME A 904     1555   2665  1.56  
LINK         C1  BME A 903                 O1  BME A 904     1555   2665  1.37  
LINK         C2  BME A 903                 C1  BME A 904     1555   2665  1.49  
LINK         C2  BME A 903                 S2  BME A 904     1555   2665  1.88  
LINK         O1  BME A 903                 C1  BME A 904     1555   2665  1.45  
LINK         S2  BME A 903                 C2  BME A 904     1555   2665  1.75  
LINK         C2  BME A 903                 C1  BME A 904     2665   1555  1.49  
LINK         O1  BME A 903                 C1  BME A 904     2665   1555  1.45  
LINK         S2  BME A 903                 C2  BME A 904     2665   1555  1.75  
LINK         C1  BME A 903                 C2  BME A 904     2665   1555  1.56  
LINK         C1  BME A 903                 O1  BME A 904     2665   1555  1.37  
LINK         C2  BME A 903                 S2  BME A 904     2665   1555  1.88  
LINK         SG  CYS B 114                 S2  BME B 902     1555   1555  1.93  
LINK         S2  BME B 905                 S2  BME B 906     1555   1555  2.03  
LINK         C1  BME B 905                 O1  BME B 906     1555   2665  1.42  
LINK         C2  BME B 905                 C1  BME B 906     1555   2665  1.53  
LINK         C2  BME B 905                 S2  BME B 906     1555   2665  1.72  
LINK         O1  BME B 905                 C1  BME B 906     1555   2665  1.40  
LINK         S2  BME B 905                 C2  BME B 906     1555   2665  1.92  
LINK         C2  BME B 905                 C1  BME B 906     2665   1555  1.53  
LINK         O1  BME B 905                 C1  BME B 906     2665   1555  1.40  
LINK         S2  BME B 905                 C2  BME B 906     2665   1555  1.92  
LINK         C1  BME B 905                 C2  BME B 906     2665   1555  1.51  
LINK         C1  BME B 905                 O1  BME B 906     2665   1555  1.42  
LINK         C2  BME B 905                 S2  BME B 906     2665   1555  1.72  
LINK         C1  BME B 905                 C2  BME B 906     1555   2665  1.51  
SITE     1 AC1  6 PHE A  87  CYS A 114  HOH A 959  ARG B  21                    
SITE     2 AC1  6 ALA B 120  VAL B 122                                          
SITE     1 AC2  5 HOH A 953  PRO B  86  PHE B  87  PRO B 113                    
SITE     2 AC2  5 CYS B 114                                                     
SITE     1 AC3  5 ALA A 108  SER A 117  THR A 118  THR A 119                    
SITE     2 AC3  5 BME A 904                                                     
SITE     1 AC4  5 ALA A 108  SER A 117  THR A 118  THR A 119                    
SITE     2 AC4  5 BME A 903                                                     
SITE     1 AC5  4 SER B 117  THR B 118  THR B 119  BME B 906                    
SITE     1 AC6  4 SER B 117  THR B 118  THR B 119  BME B 905                    
CRYST1   43.288   85.288   64.781  90.00  90.00  90.00 P 21 21 2     8          
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      0.023101  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011725  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015437        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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