HEADER    HYDROLASE                               01-OCT-20   7AKN              
TITLE     THERMOLYSIN FROM BACILLUS THERMOPROTEOLYTICUS                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THERMOLYSIN;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: THERMOSTABLE NEUTRAL PROTEINASE;                            
COMPND   5 EC: 3.4.24.27;                                                       
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS THERMOPROTEOLYTICUS;                   
SOURCE   3 ORGANISM_TAXID: 1427;                                                
SOURCE   4 GENE: NPR;                                                           
SOURCE   5 EXPRESSION_SYSTEM: BACILLUS THERMOPROTEOLYTICUS;                     
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 1427                                        
KEYWDS    HYDROLASE                                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.S.BOIKOVA,K.B.ILINA,M.A.MARCHENKOVA,Y.V.PISAREVSKY,V.I.TIMOFEEV,    
AUTHOR   2 M.V.KOVALCHUK                                                        
REVDAT   2   31-JAN-24 7AKN    1       REMARK                                   
REVDAT   1   02-DEC-20 7AKN    0                                                
JRNL        AUTH   A.S.BOIKOVA,K.B.ILINA,M.A.MARCHENKOVA,Y.V.PISAREVSKY,        
JRNL        AUTH 2 V.I.TIMOFEEV,M.V.KOVALCHUK                                   
JRNL        TITL   THERMOLYSIN FROM BACILLUS THERMOPROTEOLYTICUS                
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.46 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0258                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.46                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.98                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 11780                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.158                           
REMARK   3   R VALUE            (WORKING SET) : 0.155                           
REMARK   3   FREE R VALUE                     : 0.223                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 593                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.46                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.52                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 850                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.66                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1930                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 42                           
REMARK   3   BIN FREE R VALUE                    : 0.2850                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2432                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 22                                      
REMARK   3   SOLVENT ATOMS            : 105                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.66                          
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) : -0.01000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.518         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.261         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.169         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.445         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.931                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2533 ; 0.008 ; 0.013       
REMARK   3   BOND LENGTHS OTHERS               (A):  2155 ; 0.001 ; 0.017       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3453 ; 1.503 ; 1.643       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5001 ; 1.329 ; 1.578       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   322 ; 6.609 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   136 ;32.970 ;23.456       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   365 ;15.089 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    10 ;13.026 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   328 ; 0.066 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2978 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   560 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 7AKN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-OCT-20.                  
REMARK 100 THE DEPOSITION ID IS D_1292111547.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-JUL-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID23-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.972                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M-F               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : IMOSFLM                            
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12427                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.460                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 6.140                              
REMARK 200  R MERGE                    (I) : 0.06800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.9885                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.46                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35000                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 1KEI                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.97                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5, VAPOR DIFFUSION, HANGING DROP,   
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
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   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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       43.11000            
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       86.22000            
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       64.66500            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      107.77500            
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       21.55500            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       43.11000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       86.22000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      107.77500            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       64.66500            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       21.55500            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 470 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 12530 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.0 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 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   C    VAL A   406     N    LYS A   407              1.34            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   562     O    HOH A   562     7556     1.69            
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    SER A  25       86.26   -159.58                                   
REMARK 500    THR A  26      -54.74     76.10                                   
REMARK 500    SER A  92     -173.64     60.85                                   
REMARK 500    SER A 107     -161.99     58.05                                   
REMARK 500    ASN A 111       46.79    -93.66                                   
REMARK 500    SER A 118      -30.88   -130.16                                   
REMARK 500    GLN A 128      -63.97   -106.06                                   
REMARK 500    THR A 152      -98.97   -111.87                                   
REMARK 500    ASN A 159     -139.75     51.12                                   
REMARK 500    LYS A 182      -97.53    -89.51                                   
REMARK 500    THR A 194       83.11     40.49                                   
REMARK 500    ASP A 207       82.80   -150.45                                   
REMARK 500    ILE A 232      -61.33   -103.44                                   
REMARK 500    TYR A 274      -31.28   -130.88                                   
REMARK 500    SER A 279      134.78    -39.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     VAL A  406                                                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 403  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  57   OD1                                                    
REMARK 620 2 ASP A  57   OD2  52.3                                              
REMARK 620 3 ASP A  59   OD1  64.3 115.6                                        
REMARK 620 4 GLN A  61   O    83.4  85.3  77.3                                  
REMARK 620 5 HOH A 505   O   139.1 164.2  74.9  85.7                            
REMARK 620 6 HOH A 513   O   128.3  80.0 145.2  73.1  84.9                      
REMARK 620 7 HOH A 596   O    90.0  93.6  96.5 172.4  97.0 114.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 401  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 138   OD2                                                    
REMARK 620 2 GLU A 177   OE1  77.9                                              
REMARK 620 3 GLU A 177   OE2 128.6  50.8                                        
REMARK 620 4 ASP A 185   OD1 159.2 121.8  71.6                                  
REMARK 620 5 GLU A 187   O    87.5 151.1 136.0  77.4                            
REMARK 620 6 GLU A 190   OE1  84.4 127.4 126.0  77.9  74.8                      
REMARK 620 7 GLU A 190   OE2  89.0  77.6  82.9  89.0 127.5  52.7                
REMARK 620 8 HOH A 511   O   104.6  87.9  74.8  84.4  71.7 144.8 157.7          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 405  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 142   NE2                                                    
REMARK 620 2 HIS A 146   NE2 104.5                                              
REMARK 620 3 GLU A 166   OE2 134.6  90.5                                        
REMARK 620 4 HOH A 583   O   113.2 112.4  99.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 402  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A 183   O                                                      
REMARK 620 2 GLU A 190   OE2 140.2                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 404  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TYR A 193   O                                                      
REMARK 620 2 THR A 194   O    72.7                                              
REMARK 620 3 THR A 194   OG1  77.9  74.7                                        
REMARK 620 4 ILE A 197   O   157.1  84.9 101.1                                  
REMARK 620 5 ASP A 200   OD1 125.3 135.7  71.6  74.5                            
REMARK 620 6 HOH A 509   O    83.9 147.9 122.0 114.6  75.9                      
REMARK 620 7 HOH A 545   O    85.2  73.9 147.6  84.1 139.5  82.7                
REMARK 620 N                    1     2     3     4     5     6                 
DBREF  7AKN A    1   316  UNP    P00800   THER_BACTH     233    548             
SEQRES   1 A  316  ILE THR GLY THR SER THR VAL GLY VAL GLY ARG GLY VAL          
SEQRES   2 A  316  LEU GLY ASP GLN LYS ASN ILE ASN THR THR TYR SER THR          
SEQRES   3 A  316  TYR TYR TYR LEU GLN ASP ASN THR ARG GLY ASN GLY ILE          
SEQRES   4 A  316  PHE THR TYR ASP ALA LYS TYR ARG THR THR LEU PRO GLY          
SEQRES   5 A  316  SER LEU TRP ALA ASP ALA ASP ASN GLN PHE PHE ALA SER          
SEQRES   6 A  316  TYR ASP ALA PRO ALA VAL ASP ALA HIS TYR TYR ALA GLY          
SEQRES   7 A  316  VAL THR TYR ASP TYR TYR LYS ASN VAL HIS ASN ARG LEU          
SEQRES   8 A  316  SER TYR ASP GLY ASN ASN ALA ALA ILE ARG SER SER VAL          
SEQRES   9 A  316  HIS TYR SER GLN GLY TYR ASN ASN ALA PHE TRP ASN GLY          
SEQRES  10 A  316  SER GLN MET VAL TYR GLY ASP GLY ASP GLY GLN THR PHE          
SEQRES  11 A  316  ILE PRO LEU SER GLY GLY ILE ASP VAL VAL ALA HIS GLU          
SEQRES  12 A  316  LEU THR HIS ALA VAL THR ASP TYR THR ALA GLY LEU ILE          
SEQRES  13 A  316  TYR GLN ASN GLU SER GLY ALA ILE ASN GLU ALA ILE SER          
SEQRES  14 A  316  ASP ILE PHE GLY THR LEU VAL GLU PHE TYR ALA ASN LYS          
SEQRES  15 A  316  ASN PRO ASP TRP GLU ILE GLY GLU ASP VAL TYR THR PRO          
SEQRES  16 A  316  GLY ILE SER GLY ASP SER LEU ARG SER MET SER ASP PRO          
SEQRES  17 A  316  ALA LYS TYR GLY ASP PRO ASP HIS TYR SER LYS ARG TYR          
SEQRES  18 A  316  THR GLY THR GLN ASP ASN GLY GLY VAL HIS ILE ASN SER          
SEQRES  19 A  316  GLY ILE ILE ASN LYS ALA ALA TYR LEU ILE SER GLN GLY          
SEQRES  20 A  316  GLY THR HIS TYR GLY VAL SER VAL VAL GLY ILE GLY ARG          
SEQRES  21 A  316  ASP LYS LEU GLY LYS ILE PHE TYR ARG ALA LEU THR GLN          
SEQRES  22 A  316  TYR LEU THR PRO THR SER ASN PHE SER GLN LEU ARG ALA          
SEQRES  23 A  316  ALA ALA VAL GLN SER ALA THR ASP LEU TYR GLY SER THR          
SEQRES  24 A  316  SER GLN GLU VAL ALA SER VAL LYS GLN ALA PHE ASP ALA          
SEQRES  25 A  316  VAL GLY VAL LYS                                              
HET     CA  A 401       1                                                       
HET     CA  A 402       1                                                       
HET     CA  A 403       1                                                       
HET     CA  A 404       1                                                       
HET     ZN  A 405       1                                                       
HET    VAL  A 406       7                                                       
HET    LYS  A 407      10                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM      ZN ZINC ION                                                         
HETNAM     VAL VALINE                                                           
HETNAM     LYS LYSINE                                                           
FORMUL   2   CA    4(CA 2+)                                                     
FORMUL   6   ZN    ZN 2+                                                        
FORMUL   7  VAL    C5 H11 N O2                                                  
FORMUL   8  LYS    C6 H15 N2 O2 1+                                              
FORMUL   9  HOH   *105(H2 O)                                                    
HELIX    1 AA1 ASP A   67  ASN A   89  1                                  23    
HELIX    2 AA2 PRO A  132  GLY A  135  5                                   4    
HELIX    3 AA3 GLY A  136  THR A  152  1                                  17    
HELIX    4 AA4 GLN A  158  ASN A  181  1                                  24    
HELIX    5 AA5 ASP A  207  GLY A  212  5                                   6    
HELIX    6 AA6 HIS A  216  ARG A  220  5                                   5    
HELIX    7 AA7 THR A  224  VAL A  230  1                                   7    
HELIX    8 AA8 ASN A  233  GLY A  247  1                                  15    
HELIX    9 AA9 GLY A  259  TYR A  274  1                                  16    
HELIX   10 AB1 ASN A  280  GLY A  297  1                                  18    
HELIX   11 AB2 SER A  300  VAL A  313  1                                  14    
SHEET    1 AA1 5 ALA A  56  ASP A  57  0                                        
SHEET    2 AA1 5 TYR A  28  TYR A  29 -1  N  TYR A  28   O  ASP A  57           
SHEET    3 AA1 5 GLN A  17  TYR A  24 -1  N  THR A  23   O  TYR A  29           
SHEET    4 AA1 5 THR A   4  ARG A  11 -1  N  GLY A   8   O  ILE A  20           
SHEET    5 AA1 5 GLN A  61  PHE A  62  1  O  PHE A  62   N  VAL A   9           
SHEET    1 AA2 3 GLN A  31  ASP A  32  0                                        
SHEET    2 AA2 3 ILE A  39  ASP A  43 -1  O  ILE A  39   N  ASP A  32           
SHEET    3 AA2 3 SER A  53  LEU A  54 -1  O  SER A  53   N  ASP A  43           
SHEET    1 AA3 5 GLN A  31  ASP A  32  0                                        
SHEET    2 AA3 5 ILE A  39  ASP A  43 -1  O  ILE A  39   N  ASP A  32           
SHEET    3 AA3 5 ILE A 100  VAL A 104  1  O  SER A 102   N  TYR A  42           
SHEET    4 AA3 5 MET A 120  TYR A 122  1  O  MET A 120   N  ARG A 101           
SHEET    5 AA3 5 ALA A 113  TRP A 115 -1  N  PHE A 114   O  VAL A 121           
SHEET    1 AA4 2 GLU A 187  ILE A 188  0                                        
SHEET    2 AA4 2 ARG A 203  SER A 204 -1  O  ARG A 203   N  ILE A 188           
SHEET    1 AA5 2 GLY A 248  HIS A 250  0                                        
SHEET    2 AA5 2 VAL A 253  VAL A 255 -1  O  VAL A 255   N  GLY A 248           
LINK         OD1 ASP A  57                CA    CA A 403     1555   1555  2.57  
LINK         OD2 ASP A  57                CA    CA A 403     1555   1555  2.34  
LINK         OD1 ASP A  59                CA    CA A 403     1555   1555  2.65  
LINK         O   GLN A  61                CA    CA A 403     1555   1555  2.37  
LINK         OD2 ASP A 138                CA    CA A 401     1555   1555  2.61  
LINK         NE2 HIS A 142                ZN    ZN A 405     1555   1555  2.09  
LINK         NE2 HIS A 146                ZN    ZN A 405     1555   1555  2.08  
LINK         OE2 GLU A 166                ZN    ZN A 405     1555   1555  2.11  
LINK         OE1 GLU A 177                CA    CA A 401     1555   1555  2.38  
LINK         OE2 GLU A 177                CA    CA A 401     1555   1555  2.69  
LINK         O   ASN A 183                CA    CA A 402     1555   1555  2.59  
LINK         OD1 ASP A 185                CA    CA A 401     1555   1555  2.42  
LINK         O   GLU A 187                CA    CA A 401     1555   1555  2.33  
LINK         OE1 GLU A 190                CA    CA A 401     1555   1555  2.47  
LINK         OE2 GLU A 190                CA    CA A 401     1555   1555  2.48  
LINK         OE2 GLU A 190                CA    CA A 402     1555   1555  2.98  
LINK         O   TYR A 193                CA    CA A 404     1555   1555  2.48  
LINK         O   THR A 194                CA    CA A 404     1555   1555  2.21  
LINK         OG1 THR A 194                CA    CA A 404     1555   1555  2.41  
LINK         O   ILE A 197                CA    CA A 404     1555   1555  2.27  
LINK         OD1 ASP A 200                CA    CA A 404     1555   1555  2.48  
LINK        CA    CA A 401                 O   HOH A 511     1555   1555  2.48  
LINK        CA    CA A 403                 O   HOH A 505     1555   1555  2.60  
LINK        CA    CA A 403                 O   HOH A 513     1555   1555  2.39  
LINK        CA    CA A 403                 O   HOH A 596     1555   1555  2.49  
LINK        CA    CA A 404                 O   HOH A 509     1555   1555  2.49  
LINK        CA    CA A 404                 O   HOH A 545     1555   1555  2.35  
LINK        ZN    ZN A 405                 O   HOH A 583     1555   1555  2.23  
CISPEP   1 LEU A   50    PRO A   51          0         0.88                     
CRYST1   92.408   92.408  129.330  90.00  90.00 120.00 P 61 2 2     12          
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      0.010822  0.006248  0.000000        0.00000                         
SCALE2      0.000000  0.012496  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007732        0.00000