HEADER    LYASE                                   12-FEB-04   1SC9              
TITLE     HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS IN COMPLEX WITH THE      
TITLE    2 NATURAL SUBSTRATE ACETONE CYANOHYDRIN                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: (S)-ACETONE-CYANOHYDRIN LYASE;                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HYDROXYNITRILE LYASE;                                       
COMPND   5 EC: 4.1.2.39;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HEVEA BRASILIENSIS;                             
SOURCE   3 ORGANISM_TAXID: 3981;                                                
SOURCE   4 TISSUE: LEAF;                                                        
SOURCE   5 GENE: HNL;                                                           
SOURCE   6 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: BHIL-D2                                   
KEYWDS    ALPHA-BETA HYDROLASE FOLD, SUBSTRATE COMPLEX, CATALYTIC TRIAD, LYASE  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.GRUBER,G.GARTLER,B.KRAMMER,H.SCHWAB,C.KRATKY                        
REVDAT   5   25-OCT-23 1SC9    1       REMARK                                   
REVDAT   4   11-OCT-17 1SC9    1       REMARK                                   
REVDAT   3   13-JUL-11 1SC9    1       VERSN                                    
REVDAT   2   24-FEB-09 1SC9    1       VERSN                                    
REVDAT   1   29-JUN-04 1SC9    0                                                
JRNL        AUTH   K.GRUBER,G.GARTLER,B.KRAMMER,H.SCHWAB,C.KRATKY               
JRNL        TITL   REACTION MECHANISM OF HYDROXYNITRILE LYASES OF THE           
JRNL        TITL 2 ALPHA/BETA-HYDROLASE SUPERFAMILY: THE THREE-DIMENSIONAL      
JRNL        TITL 3 STRUCTURE OF THE TRANSIENT ENZYME-SUBSTRATE COMPLEX          
JRNL        TITL 4 CERTIFIES THE CRUCIAL ROLE OF LYS236                         
JRNL        REF    J.BIOL.CHEM.                  V. 279 20501 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   14998991                                                     
JRNL        DOI    10.1074/JBC.M401575200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   K.GRUBER,M.GUGGANIG,U.G.WAGNER,C.KRATKY                      
REMARK   1  TITL   ATOMIC RESOLUTION CRYSTAL STRUCTURE OF HYDROXYNITRILE LYASE  
REMARK   1  TITL 2 FROM HEVEA BRASILIENSIS                                      
REMARK   1  REF    BIOL.CHEM.                    V. 380   993 1999              
REMARK   1  REFN                   ISSN 1431-6730                               
REMARK   1  PMID   10494852                                                     
REMARK   1  DOI    10.1515/BC.1999.123                                          
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.ZUEGG,K.GRUBER,M.GUGGANIG,U.G.WAGNER,C.KRATKY              
REMARK   1  TITL   THREE-DIMENSIONAL STRUCTURES OF ENZYME-SUBSTRATE COMPLEXES   
REMARK   1  TITL 2 OF THE HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS          
REMARK   1  REF    PROTEIN SCI.                  V.   8  1990 1999              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1  PMID   10548044                                                     
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   U.G.WAGNER,M.HASSLACHER,H.GRIENGL,H.SCHWAB,C.KRATKY          
REMARK   1  TITL   MECHANISM OF CYANOGENESIS: THE CRYSTAL STRUCTURE OF          
REMARK   1  TITL 2 HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS                 
REMARK   1  REF    STRUCTURE                     V.   4   811 1996              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1  PMID   8805565                                                      
REMARK   1  DOI    10.1016/S0969-2126(96)00088-3                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.41                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1958997.550                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 30083                          
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) : 0.167                           
REMARK   3   FREE R VALUE                     : 0.189                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1523                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 15                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.84                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1724                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1910                       
REMARK   3   BIN FREE R VALUE                    : 0.2140                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 91                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2057                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 16                                      
REMARK   3   SOLVENT ATOMS            : 310                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.53000                                              
REMARK   3    B22 (A**2) : 2.19000                                              
REMARK   3    B33 (A**2) : -4.72000                                             
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) : 0.16                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.08                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.19                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.12                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.740                           
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) : 0.910 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.210 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.730 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.550 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 49.70                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : ACN.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : ACN.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFINEMENT AGAINST MAXIMUM LIKELIHOOD     
REMARK   3  TARGET FUNCTION                                                     
REMARK   4                                                                      
REMARK   4 1SC9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-FEB-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000021596.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-JUN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.91                               
REMARK 200  MONOCHROMATOR                  : UNKNOWN                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MAR                                
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30106                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.84                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.25200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 2YAS                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG 400, HEPES, PH     
REMARK 280  7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       63.99400            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       63.99400            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       23.69650            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       53.22750            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       23.69650            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       53.22750            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       63.99400            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       23.69650            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       53.22750            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       63.99400            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       23.69650            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       53.22750            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
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 300 REMARK: DIMER; THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS         
REMARK 300 GENERATED BY THE TWO FOD AXIS: X, -Y+1, -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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2970 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18890 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      106.45500            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
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 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 808  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 809  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     MET A     1                                                      
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  14     -169.63   -115.06                                   
REMARK 500    SER A  80     -106.02     53.90                                   
REMARK 500    LYS A 129     -119.28     49.92                                   
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 A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CNH A 300                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QJ4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 7YAS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1SCI   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN, K236L MUTANT                                       
REMARK 900 RELATED ID: 1SCK   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN, K236L MUTANT COMPLEXED WITH ACETONE                
REMARK 900 RELATED ID: 1SCQ   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN, K236L MUTANT COMPLEXED WITH ACETONECYANOHYDRIN     
DBREF  1SC9 A    1   257  UNP    P52704   HNL_HEVBR        1    257             
SEQRES   1 A  257  MET ALA PHE ALA HIS PHE VAL LEU ILE HIS THR ILE CYS          
SEQRES   2 A  257  HIS GLY ALA TRP ILE TRP HIS LYS LEU LYS PRO LEU LEU          
SEQRES   3 A  257  GLU ALA LEU GLY HIS LYS VAL THR ALA LEU ASP LEU ALA          
SEQRES   4 A  257  ALA SER GLY VAL ASP PRO ARG GLN ILE GLU GLU ILE GLY          
SEQRES   5 A  257  SER PHE ASP GLU TYR SER GLU PRO LEU LEU THR PHE LEU          
SEQRES   6 A  257  GLU ALA LEU PRO PRO GLY GLU LYS VAL ILE LEU VAL GLY          
SEQRES   7 A  257  GLU SER CYS GLY GLY LEU ASN ILE ALA ILE ALA ALA ASP          
SEQRES   8 A  257  LYS TYR CYS GLU LYS ILE ALA ALA ALA VAL PHE HIS ASN          
SEQRES   9 A  257  SER VAL LEU PRO ASP THR GLU HIS CYS PRO SER TYR VAL          
SEQRES  10 A  257  VAL ASP LYS LEU MET GLU VAL PHE PRO ASP TRP LYS ASP          
SEQRES  11 A  257  THR THR TYR PHE THR TYR THR LYS ASP GLY LYS GLU ILE          
SEQRES  12 A  257  THR GLY LEU LYS LEU GLY PHE THR LEU LEU ARG GLU ASN          
SEQRES  13 A  257  LEU TYR THR LEU CYS GLY PRO GLU GLU TYR GLU LEU ALA          
SEQRES  14 A  257  LYS MET LEU THR ARG LYS GLY SER LEU PHE GLN ASN ILE          
SEQRES  15 A  257  LEU ALA LYS ARG PRO PHE PHE THR LYS GLU GLY TYR GLY          
SEQRES  16 A  257  SER ILE LYS LYS ILE TYR VAL TRP THR ASP GLN ASP GLU          
SEQRES  17 A  257  ILE PHE LEU PRO GLU PHE GLN LEU TRP GLN ILE GLU ASN          
SEQRES  18 A  257  TYR LYS PRO ASP LYS VAL TYR LYS VAL GLU GLY GLY ASP          
SEQRES  19 A  257  HIS LYS LEU GLN LEU THR LYS THR LYS GLU ILE ALA GLU          
SEQRES  20 A  257  ILE LEU GLN GLU VAL ALA ASP THR TYR ASN                      
HET    SO4  A 400       5                                                       
HET    SO4  A 401       5                                                       
HET    CNH  A 300       6                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     CNH 2-HYDROXY-2-METHYLPROPANENITRILE                                 
HETSYN     CNH ACETONE CYANOHYDRIN                                              
FORMUL   2  SO4    2(O4 S 2-)                                                   
FORMUL   4  CNH    C4 H7 N O                                                    
FORMUL   5  HOH   *310(H2 O)                                                    
HELIX    1   1 GLY A   15  HIS A   20  5                                   6    
HELIX    2   2 LYS A   21  ALA A   28  1                                   8    
HELIX    3   3 GLN A   47  ILE A   51  5                                   5    
HELIX    4   4 SER A   53  SER A   58  1                                   6    
HELIX    5   5 SER A   58  ALA A   67  1                                  10    
HELIX    6   6 CYS A   81  CYS A   94  1                                  14    
HELIX    7   7 SER A  115  PHE A  125  1                                  11    
HELIX    8   8 GLY A  149  LEU A  157  1                                   9    
HELIX    9   9 GLY A  162  THR A  173  1                                  12    
HELIX   10  10 PHE A  179  LYS A  185  1                                   7    
HELIX   11  11 GLY A  193  ILE A  197  5                                   5    
HELIX   12  12 LEU A  211  TYR A  222  1                                  12    
HELIX   13  13 LYS A  236  LYS A  241  1                                   6    
HELIX   14  14 LYS A  241  TYR A  256  1                                  16    
SHEET    1   A 6 LYS A  32  ALA A  35  0                                        
SHEET    2   A 6 HIS A   5  ILE A   9  1  N  LEU A   8   O  THR A  34           
SHEET    3   A 6 VAL A  74  GLU A  79  1  O  VAL A  77   N  ILE A   9           
SHEET    4   A 6 ILE A  97  HIS A 103  1  O  VAL A 101   N  LEU A  76           
SHEET    5   A 6 LYS A 199  TRP A 203  1  O  ILE A 200   N  PHE A 102           
SHEET    6   A 6 LYS A 226  LYS A 229  1  O  TYR A 228   N  TYR A 201           
SHEET    1   B 3 THR A 132  LYS A 138  0                                        
SHEET    2   B 3 LYS A 141  LYS A 147 -1  O  ILE A 143   N  TYR A 136           
SHEET    3   B 3 GLY A 176  SER A 177 -1  O  GLY A 176   N  LEU A 146           
SITE     1 AC1  7 LYS A  23  LYS A 170  HOH A 501  HOH A 585                    
SITE     2 AC1  7 HOH A 587  HOH A 650  HOH A 741                               
SITE     1 AC2 10 THR A 137  LYS A 138  ASP A 139  GLY A 140                    
SITE     2 AC2 10 GLY A 232  GLY A 233  LYS A 241  HOH A 720                    
SITE     3 AC2 10 HOH A 734  HOH A 749                                          
SITE     1 AC3  6 THR A  11  SER A  80  CYS A  81  LEU A 157                    
SITE     2 AC3  6 HIS A 235  LYS A 236                                          
CRYST1   47.393  106.455  127.988  90.00  90.00  90.00 C 2 2 21      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      0.021100  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009394  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007813        0.00000