HEADER    HYDROLASE                               23-JUL-00   1FEV              
TITLE     CRYSTAL STRUCTURE OF THE ALA4AIB MUTATION IN RNASE S                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: S PEPTIDE;                                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: S PROTEIN;                                                 
COMPND   7 CHAIN: B;                                                            
COMPND   8 SYNONYM: RNASE S;                                                    
COMPND   9 EC: 3.1.27.5                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 OTHER_DETAILS: S PEPTIDE IS A 16 RESIDUE SYNTHETIC PEPTIDE WITH      
SOURCE   4 ALA4AIB REPLACEMENT;                                                 
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   7 ORGANISM_COMMON: CATTLE;                                             
SOURCE   8 ORGANISM_TAXID: 9913;                                                
SOURCE   9 TISSUE: PANCREAS                                                     
KEYWDS    ALPHA AMINOISOBUTYRIC ACID, AIB, HYDROLASE                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.S.RATNAPARKHI,R.VARADARAJAN                                         
REVDAT   6   03-NOV-21 1FEV    1       REMARK SEQADV LINK                       
REVDAT   5   04-OCT-17 1FEV    1       REMARK                                   
REVDAT   4   24-FEB-09 1FEV    1       VERSN                                    
REVDAT   3   01-APR-03 1FEV    1       JRNL                                     
REVDAT   2   14-MAR-01 1FEV    1       JRNL                                     
REVDAT   1   09-AUG-00 1FEV    0                                                
JRNL        AUTH   G.S.RATNAPARKHI,S.K.AWASTHI,P.RANI,P.BALARAM,R.VARADARAJAN   
JRNL        TITL   STRUCTURAL AND THERMODYNAMIC CONSEQUENCES OF INTRODUCING     
JRNL        TITL 2 ALPHA-AMINOISOBUTYRIC ACID IN THE S PEPTIDE OF RIBONUCLEASE  
JRNL        TITL 3 S.                                                           
JRNL        REF    PROTEIN ENG.                  V.  13   697 2000              
JRNL        REFN                   ISSN 0269-2139                               
JRNL        PMID   11112508                                                     
JRNL        DOI    10.1093/PROTEIN/13.10.697                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   G.S.RATNAPARKHI,R.VARADARAJAN                                
REMARK   1  TITL   THERMODYNAMIC AND STRUCTURAL STUDIES OF CAVITY FORMATION IN  
REMARK   1  TITL 2 PROTEINS SUGGEST THAT LOSS OF PACKING INTERACTIONS RATHER    
REMARK   1  TITL 3 THAN THE HYDROPHOBIC EFFECT DOMINATES THE OBSERVED           
REMARK   1  TITL 4 ENERGETICS                                                   
REMARK   1  REF    TO BE PUBLISHED                                              
REMARK   1  REFN                                                                
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   G.S.RATNAPARKHI,R.VARADARAJAN                                
REMARK   1  TITL   X-RAY CRYSTALLOGRAPHIC STUDIES OF THE DENATURATION OF        
REMARK   1  TITL 2 RIBONUCLEASE S                                               
REMARK   1  REF    PROTEINS                      V.  36   282 1999              
REMARK   1  REFN                   ISSN 0887-3585                               
REMARK   1  DOI    10.1002/(SICI)1097-0134(19990815)36:3<282::AID-PROT3>3.3.CO; 
REMARK   1  DOI  2 2-6                                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 82.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 4654                           
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 SET) : 0.191                           
REMARK   3   FREE R VALUE                     : 0.229                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.200                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 476                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.011                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 7                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.25                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.37                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 68.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 490                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3050                       
REMARK   3   BIN FREE R VALUE                    : 0.3260                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.40                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 57                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.043                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 905                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 5                                       
REMARK   3   SOLVENT ATOMS            : 42                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.30                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.30                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 3.80                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.30                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.24                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.130                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.370 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.520 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.190 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 6.180 ; 2.500                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PARHCSDX_RV.PRO                                
REMARK   3  PARAMETER FILE  2  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSD.PRO                                    
REMARK   3  TOPOLOGY FILE  2   : TOPH.SO4                                       
REMARK   3  TOPOLOGY FILE  3   : TOPH19X_WAT.PRO                                
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1FEV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUL-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011524.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-AUG-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 5.75                               
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          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : AUTOMAR, XDS                       
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 52509                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 8.260                              
REMARK 200  R MERGE                    (I) : 0.09500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.25                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.38000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.78                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 3M CSCL, 35% AMMONIUM SULPHATE, 50 MM    
REMARK 280  SODIUM ACETATE, PH=5.75 , VAPOR DIFFUSION, SITTING DROP,            
REMARK 280  TEMPERATURE 298K, PH 5.75                                           
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       32.59333            
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       65.18667            
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       65.18667            
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       32.59333            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1620 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 6540 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5210 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11110 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 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 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
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    GLN B  60     -131.99    -98.78                                   
REMARK 500    THR B  70       42.60   -108.54                                   
REMARK 500    ASN B  94       61.84   -103.69                                   
REMARK 500    ALA B 122      178.94    162.89                                   
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 SO4 B 125                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1D5D   RELATED DB: PDB                                   
REMARK 900 1D5D CONTAINS MUTANT RNASE S: F8M                                    
REMARK 900 RELATED ID: 1D5E   RELATED DB: PDB                                   
REMARK 900 1D5E CONTAINS MUTANT RNASE S: F8NLE                                  
REMARK 900 RELATED ID: 1D5H   RELATED DB: PDB                                   
REMARK 900 1D5H CONTAINS MUTANT RNASE S: F8A                                    
REMARK 900 RELATED ID: 1RNV   RELATED DB: PDB                                   
REMARK 900 1RNV CONTAINS WILDTYPE RNASE S                                       
REMARK 900 RELATED ID: 1RBH   RELATED DB: PDB                                   
REMARK 900 1RBH CONTAINS MUTANT RNASE S: M13L                                   
DBREF  1FEV A    1    15  UNP    P61823   RNAS1_BOVIN     27     41             
DBREF  1FEV B   24   124  UNP    P61823   RNAS1_BOVIN     50    150             
SEQADV 1FEV AIB A    4  UNP  P61823    ALA    30 MODIFIED RESIDUE               
SEQADV 1FEV LEU A   13  UNP  P61823    MET    39 ENGINEERED MUTATION            
SEQRES   1 A   15  LYS GLU THR AIB ALA ALA LYS PHE GLU ARG GLN HIS LEU          
SEQRES   2 A   15  ASP SER                                                      
SEQRES   1 B  101  ASN TYR CYS ASN GLN MET MET LYS SER ARG ASN LEU THR          
SEQRES   2 B  101  LYS ASP ARG CYS LYS PRO VAL ASN THR PHE VAL HIS GLU          
SEQRES   3 B  101  SER LEU ALA ASP VAL GLN ALA VAL CYS SER GLN LYS ASN          
SEQRES   4 B  101  VAL ALA CYS LYS ASN GLY GLN THR ASN CYS TYR GLN SER          
SEQRES   5 B  101  TYR SER THR MET SER ILE THR ASP CYS ARG GLU THR GLY          
SEQRES   6 B  101  SER SER LYS TYR PRO ASN CYS ALA TYR LYS THR THR GLN          
SEQRES   7 B  101  ALA ASN LYS HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO          
SEQRES   8 B  101  TYR VAL PRO VAL HIS PHE ASP ALA SER VAL                      
MODRES 1FEV AIB A    4  ALA  ALPHA-AMINOISOBUTYRIC ACID                         
HET    AIB  A   4       6                                                       
HET    SO4  B 125       5                                                       
HETNAM     AIB ALPHA-AMINOISOBUTYRIC ACID                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   1  AIB    C4 H9 N O2                                                   
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4  HOH   *42(H2 O)                                                     
HELIX    1   1 ALA A    5  LEU A   13  1                                   9    
HELIX    2   2 ASN B   24  ARG B   33  1                                  10    
HELIX    3   3 SER B   50  ALA B   56  1                                   7    
HELIX    4   4 VAL B   57  GLN B   60  5                                   4    
SHEET    1   A 4 VAL B 116  VAL B 124  0                                        
SHEET    2   A 4 TYR B  97  GLU B 111 -1  O  HIS B 105   N  VAL B 124           
SHEET    3   A 4 CYS B  72  GLN B  74 -1  N  TYR B  73   O  VAL B 108           
SHEET    4   A 4 LYS B  61  VAL B  63 -1  O  LYS B  61   N  GLN B  74           
SHEET    1   B 4 VAL B 116  VAL B 124  0                                        
SHEET    2   B 4 TYR B  97  GLU B 111 -1  O  HIS B 105   N  VAL B 124           
SHEET    3   B 4 MET B  79  GLU B  86 -1  N  MET B  79   O  LYS B 104           
SHEET    4   B 4 VAL B  43  VAL B  47 -1  O  ASN B  44   N  CYS B  84           
SSBOND   1 CYS B   26    CYS B   84                          1555   1555  2.03  
SSBOND   2 CYS B   40    CYS B   95                          1555   1555  2.02  
SSBOND   3 CYS B   58    CYS B  110                          1555   1555  2.03  
SSBOND   4 CYS B   65    CYS B   72                          1555   1555  2.03  
LINK         C   THR A   3                 N   AIB A   4     1555   1555  1.32  
LINK         C   AIB A   4                 N   ALA A   5     1555   1555  1.33  
CISPEP   1 TYR B   92    PRO B   93          0         0.02                     
CISPEP   2 ASN B  113    PRO B  114          0         0.30                     
SITE     1 AC1  4 HIS A  12  HIS B 119  PHE B 120  HOH B 215                    
CRYST1   44.580   44.580   97.780  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      0.022432  0.012951  0.000000        0.00000                         
SCALE2      0.000000  0.025902  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010227        0.00000