PDB Short entry for 1DYB
HEADER    HYDROLASE(O-GLYCOSYL)                   13-MAY-93   1DYB              
TITLE     DETERMINATION OF ALPHA-HELIX PROPENSITY WITHIN THE CONTEXT OF A FOLDED
TITLE    2 PROTEIN: SITES 44 AND 131 IN BACTERIOPHAGE T4 LYSOZYME               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: T4 LYSOZYME;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.2.1.17;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4;                        
SOURCE   3 ORGANISM_TAXID: 10665;                                               
SOURCE   4 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   5 EXPRESSION_SYSTEM_PLASMID: M13                                       
KEYWDS    HYDROLASE(O-GLYCOSYL)                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.ZHANG,B.W.MATTHEWS                                                  
REVDAT   3   29-NOV-17 1DYB    1       HELIX                                    
REVDAT   2   24-FEB-09 1DYB    1       VERSN                                    
REVDAT   1   31-OCT-93 1DYB    0                                                
JRNL        AUTH   M.BLABER,X.J.ZHANG,J.D.LINDSTROM,S.D.PEPIOT,W.A.BAASE,       
JRNL        AUTH 2 B.W.MATTHEWS                                                 
JRNL        TITL   DETERMINATION OF ALPHA-HELIX PROPENSITY WITHIN THE CONTEXT   
JRNL        TITL 2 OF A FOLDED PROTEIN. SITES 44 AND 131 IN BACTERIOPHAGE T4    
JRNL        TITL 3 LYSOZYME.                                                    
JRNL        REF    J.MOL.BIOL.                   V. 235   600 1994              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   8289284                                                      
JRNL        DOI    10.1006/JMBI.1994.1016                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.BLABER,X.-J.ZHANG,B.W.MATTHEWS                             
REMARK   1  TITL   STRUCTURAL BASIS OF AMINO ACID ALPHA-HELIX PROPENSITY        
REMARK   1  REF    TO BE PUBLISHED                                              
REMARK   1  REFN                                                                
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   M.MATSUMURA,B.W.MATTHEWS                                     
REMARK   1  TITL   CONTROL OF ENZYME ACTIVITY BY AN ENGINEERED DISULFIDE BOND   
REMARK   1  REF    SCIENCE                       V. 243   792 1989              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   L.H.WEAVER,B.W.MATTHEWS                                      
REMARK   1  TITL   STRUCTURE OF BACTERIOPHAGE T4 LYSOZYME REFINED AT 1.7        
REMARK   1  TITL 2 ANGSTROMS RESOLUTION                                         
REMARK   1  REF    J.MOL.BIOL.                   V. 193   189 1987              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 13956                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.173                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1289                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 139                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.018 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.530 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : NULL                                             
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  RESIDUES 162 - 164 IN WILD-TYPE AND ALL MUTANT LYSOZYMES            
REMARK   3  ARE EXTREMELY MOBILE.  THUS THE COORDINATES FOR THESE               
REMARK   3  RESIDUES ARE VERY UNRELIABLE.  THIS ENTRY DOES NOT INCLUDE          
REMARK   3  RESIDUES 163 AND 164.                                               
REMARK   4                                                                      
REMARK   4 1DYB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000172963.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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       64.20000            
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       32.10000            
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       32.10000            
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       64.20000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ASN A   163                                                      
REMARK 465     LEU A   164                                                      
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   C1   BME A   179     O    HOH A  1037              1.42            
REMARK 500   C2   BME A   179     O    HOH A  1037              1.84            
REMARK 500   CB   THR A    21     O    HOH A  1035              1.99            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A 128   CD    GLU A 128   OE1     0.068                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A   8   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    SER A  44   CB  -  CA  -  C   ANGL. DEV. =  12.1 DEGREES          
REMARK 500    ASP A  47   CB  -  CG  -  OD1 ANGL. DEV. =   9.4 DEGREES          
REMARK 500    ASP A  47   CB  -  CG  -  OD2 ANGL. DEV. =  -8.5 DEGREES          
REMARK 500    ASP A  70   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP A  72   CB  -  CG  -  OD1 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ASP A  72   CB  -  CG  -  OD2 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ARG A  80   NE  -  CZ  -  NH1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ARG A  80   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ARG A  96   NE  -  CZ  -  NH1 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG A  96   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A 125   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ARG A 145   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ARG A 145   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
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    ILE A  29       74.11   -103.71                                   
REMARK 500    ARG A 125       77.23   -100.64                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THERE ARE SEVERAL SUBTLE ASPECTS OF THE SECONDARY STRUCTURE          
REMARK 700 OF THIS MOLECULE WHICH CANNOT CONVENIENTLY BE REPRESENTED            
REMARK 700 IN THE HELIX AND SHEET RECORDS BELOW.  THESE ASPECTS                 
REMARK 700 INFLUENCE THE REPRESENTATION OF HELIX 6 AND STRAND 3 OF              
REMARK 700 SHEET *S1*.  THE PAPER J.MOL.BIOL., V. 118, P. 81, 1978              
REMARK 700 SHOULD BE CONSULTED FOR THESE SUBTLETIES.                            
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 173                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 178                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 179                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 900                 
DBREF  1DYB A    1   164  UNP    P00720   LYS_BPT4         1    164             
SEQADV 1DYB GLY A  131  UNP  P00720    VAL   131 CONFLICT                       
SEQRES   1 A  164  MET ASN ILE PHE GLU MET LEU ARG ILE ASP GLU GLY LEU          
SEQRES   2 A  164  ARG LEU LYS ILE TYR LYS ASP THR GLU GLY TYR TYR THR          
SEQRES   3 A  164  ILE GLY ILE GLY HIS LEU LEU THR LYS SER PRO SER LEU          
SEQRES   4 A  164  ASN ALA ALA LYS SER GLU LEU ASP LYS ALA ILE GLY ARG          
SEQRES   5 A  164  ASN CYS ASN GLY VAL ILE THR LYS ASP GLU ALA GLU LYS          
SEQRES   6 A  164  LEU PHE ASN GLN ASP VAL ASP ALA ALA VAL ARG GLY ILE          
SEQRES   7 A  164  LEU ARG ASN ALA LYS LEU LYS PRO VAL TYR ASP SER LEU          
SEQRES   8 A  164  ASP ALA VAL ARG ARG CYS ALA LEU ILE ASN MET VAL PHE          
SEQRES   9 A  164  GLN MET GLY GLU THR GLY VAL ALA GLY PHE THR ASN SER          
SEQRES  10 A  164  LEU ARG MET LEU GLN GLN LYS ARG TRP ASP GLU ALA ALA          
SEQRES  11 A  164  GLY ASN LEU ALA LYS SER ARG TRP TYR ASN GLN THR PRO          
SEQRES  12 A  164  ASN ARG ALA LYS ARG VAL ILE THR THR PHE ARG THR GLY          
SEQRES  13 A  164  THR TRP ASP ALA TYR LYS ASN LEU                              
HET     CL  A 173       1                                                       
HET     CL  A 178       1                                                       
HET    BME  A 179       4                                                       
HET    BME  A 900       4                                                       
HETNAM      CL CHLORIDE ION                                                     
HETNAM     BME BETA-MERCAPTOETHANOL                                             
FORMUL   2   CL    2(CL 1-)                                                     
FORMUL   4  BME    2(C2 H6 O S)                                                 
FORMUL   6  HOH   *139(H2 O)                                                    
HELIX    1  H1 ILE A    3  GLU A   11  1                                   9    
HELIX    2  H2 LEU A   39  ILE A   50  1                                  12    
HELIX    3  H3 LYS A   60  ARG A   80  1                                  21    
HELIX    4  H4 ALA A   82  SER A   90  1                                   9    
HELIX    5  H5 ALA A   93  MET A  106  1                                  14    
HELIX    6  H6 GLU A  108  GLY A  113  1                                   6    
HELIX    7  H7 THR A  115  GLN A  123  1                                   9    
HELIX    8  H8 TRP A  126  ALA A  134  1                                   9    
HELIX    9  H9 ARG A  137  GLN A  141  1                                   5    
HELIX   10 H10 PRO A  143  THR A  155  1                                  13    
SHEET    1  S1 4 GLY A  56  ILE A  58  0                                        
SHEET    2  S1 4 ARG A  14  ASP A  20 -1  O  LEU A  15   N  ILE A  58           
SHEET    3  S1 4 TYR A  24  ILE A  27 -1  O  TYR A  24   N  ASP A  20           
SHEET    4  S1 4 HIS A  31  LEU A  33 -1  N  HIS A  31   O  ILE A  27           
LINK         S2  BME A 179                 SG  CYS A  97     1555   1555  2.12  
LINK         S2  BME A 900                 S2  BME A 900     1555   5555  1.76  
SITE     1 AC1  5 THR A 142  ASN A 144  ARG A 145  HOH A 934                    
SITE     2 AC1  5 HOH A1013                                                     
SITE     1 AC2  4 ALA A  49  LYS A 135  SER A 136  HOH A 940                    
SITE     1 AC3  7 ILE A   3  ASN A  68  ALA A  93  CYS A  97                    
SITE     2 AC3  7 BME A 900  HOH A 923  HOH A1037                               
SITE     1 AC4  1 BME A 179                                                     
CRYST1   61.300   61.300   96.300  90.00  90.00 120.00 P 32 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      0.016313  0.009418  0.000000        0.00000                         
SCALE2      0.000000  0.018837  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010384        0.00000