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Database: PDB
Entry: 1TM4
LinkDB: 1TM4
Original site: 1TM4 
HEADER    HYDROLASE                               10-JUN-04   1TM4              
TITLE     CRYSTAL STRUCTURE OF THE COMPLEX OF SUBTILSIN BPN'WITH CHYMOTRYPSIN   
TITLE    2 INHIBITOR 2 M59G MUTANT                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SUBTILISIN BPN' PRECURSOR;                                 
COMPND   3 CHAIN: E;                                                            
COMPND   4 SYNONYM: SUBTILISIN NOVO, ALKALINE PROTEASE;                         
COMPND   5 EC: 3.4.21.62;                                                       
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: CHYMOTRYPSIN INHIBITOR 2;                                  
COMPND  10 CHAIN: I;                                                            
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS;                     
SOURCE   3 ORGANISM_TAXID: 1390;                                                
SOURCE   4 GENE: APR;                                                           
SOURCE   5 EXPRESSION_SYSTEM: BACILLUS SUBTILIS;                                
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 1423;                                       
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BG2036;                                    
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PSER25;                                   
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: HORDEUM VULGARE SUBSP. VULGARE;                 
SOURCE  12 ORGANISM_COMMON: DOMESTICATED BARLEY;                                
SOURCE  13 ORGANISM_TAXID: 112509;                                              
SOURCE  14 STRAIN: SUBSP. VULGARE;                                              
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  17 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  18 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  19 EXPRESSION_SYSTEM_PLASMID: PCI2M59G                                  
KEYWDS    SERINE PROTEASE, INHIBITOR, HYDROLASE                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.S.RADISKY,G.KWAN,C.J.KAREN LU,D.E.KOSHLAND JR.                      
REVDAT   6   23-AUG-23 1TM4    1       REMARK                                   
REVDAT   5   27-OCT-21 1TM4    1       REMARK SEQADV LINK                       
REVDAT   4   29-NOV-17 1TM4    1       REMARK                                   
REVDAT   3   11-OCT-17 1TM4    1       REMARK                                   
REVDAT   2   24-FEB-09 1TM4    1       VERSN                                    
REVDAT   1   09-NOV-04 1TM4    0                                                
JRNL        AUTH   E.S.RADISKY,G.KWAN,C.J.KAREN LU,D.E.KOSHLAND JR.             
JRNL        TITL   BINDING, PROTEOLYTIC, AND CRYSTALLOGRAPHIC ANALYSES OF       
JRNL        TITL 2 MUTATIONS AT THE PROTEASE-INHIBITOR INTERFACE OF THE         
JRNL        TITL 3 SUBTILISIN BPN'/CHYMOTRYPSIN INHIBITOR 2 COMPLEX(,).         
JRNL        REF    BIOCHEMISTRY                  V.  43 13648 2004              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15504027                                                     
JRNL        DOI    10.1021/BI048797K                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 81.65                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : -3.000                         
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 51323                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : INHERITED FROM 1TM3             
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.159                           
REMARK   3   R VALUE            (WORKING SET) : 0.158                           
REMARK   3   FREE R VALUE                     : 0.183                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2697                            
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) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3516                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2530                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 176                          
REMARK   3   BIN FREE R VALUE                    : 0.2650                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2499                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 67                                      
REMARK   3   SOLVENT ATOMS            : 439                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.39                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.35000                                              
REMARK   3    B22 (A**2) : 0.35000                                              
REMARK   3    B33 (A**2) : -0.52000                                             
REMARK   3    B12 (A**2) : 0.17000                                              
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): 0.076         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.077         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.050         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.556         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.967                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.958                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2660 ; 0.020 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3608 ; 1.731 ; 1.955       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   345 ; 5.739 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   406 ; 0.133 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1993 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1274 ; 0.212 ; 0.200       
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):   298 ; 0.151 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     8 ; 0.057 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    33 ; 0.422 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    35 ; 0.131 ; 0.200       
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):  1714 ; 0.887 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2763 ; 1.511 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   946 ; 2.696 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   844 ; 4.564 ; 4.500       
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 : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1TM4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JUN-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022762.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-JAN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA, TRUNCATE              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54020                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 81.650                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 17.60                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.11200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.7000                            
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1TM3                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, ISOPROPANOL, PEG 400,    
REMARK 280  PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 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+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
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      124.53733            
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       62.26867            
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       93.40300            
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       31.13433            
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      155.67167            
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      124.53733            
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       62.26867            
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       31.13433            
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       93.40300            
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      155.67167            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2740 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13360 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7180 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25740 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000      141.15000            
REMARK 350   BIOMT2   2 -0.866025  0.500000  0.000000       81.49299            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       62.26867            
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     MET I  20    N    CA   CB   CG   SD   CE                         
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   O6   CIT E   452     O6   CIT E   453              2.14            
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   C13  1PE E   454     C13  1PE E   454     9765     1.88            
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    ASP E 259   CB  -  CG  -  OD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP I  64   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 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    LYS E  12       30.33     71.24                                   
REMARK 500    ASP E  32     -151.11   -169.85                                   
REMARK 500    ASP E  36       98.30    -69.97                                   
REMARK 500    SER E  63      -22.52    109.40                                   
REMARK 500    ALA E  73       24.74   -150.88                                   
REMARK 500    ASN E  77     -158.84   -161.48                                   
REMARK 500    SER E 159       67.97   -156.15                                   
REMARK 500    LEU E 257     -124.46   -118.23                                   
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     1PE E  454                                                       
REMARK 610     1PE E  456                                                       
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 E 450  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN E   2   OE1                                                    
REMARK 620 2 ASP E  41   OD1 161.7                                              
REMARK 620 3 LEU E  75   O    76.6  88.7                                        
REMARK 620 4 ASN E  77   OD1  84.7  85.0  92.2                                  
REMARK 620 5 ILE E  79   O    99.8  93.2 171.7  79.9                            
REMARK 620 6 VAL E  81   O    92.2  99.2  91.7 174.3  95.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA E 451  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY E 169   O                                                      
REMARK 620 2 TYR E 171   O    93.9                                              
REMARK 620 3 VAL E 174   O   109.6  90.3                                        
REMARK 620 4 HOH E 488   O   107.4 158.7  82.2                                  
REMARK 620 5 HOH E 592   O   103.5  85.8 146.9  89.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA E 450                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA E 451                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT E 452                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT E 453                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE E 454                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE E 455                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PE E 456                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1TM1   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TM3   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TM5   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TM7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TMG   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TO1   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TO2   RELATED DB: PDB                                   
DBREF  1TM4 E    1   275  UNP    P00782   SUBT_BACAM     108    382             
DBREF  1TM4 I   21    83  UNP    Q40059   Q40059_HORVU    22     84             
SEQADV 1TM4 HIS E  276  UNP  P00782              EXPRESSION TAG                 
SEQADV 1TM4 HIS E  277  UNP  P00782              EXPRESSION TAG                 
SEQADV 1TM4 HIS E  278  UNP  P00782              EXPRESSION TAG                 
SEQADV 1TM4 HIS E  279  UNP  P00782              EXPRESSION TAG                 
SEQADV 1TM4 HIS E  280  UNP  P00782              EXPRESSION TAG                 
SEQADV 1TM4 MET I   20  UNP  Q40059              INITIATING METHIONINE          
SEQADV 1TM4 GLY I   59  UNP  Q40059    MET    60 ENGINEERED MUTATION            
SEQRES   1 E  281  ALA GLN SER VAL PRO TYR GLY VAL SER GLN ILE LYS ALA          
SEQRES   2 E  281  PRO ALA LEU HIS SER GLN GLY TYR THR GLY SER ASN VAL          
SEQRES   3 E  281  LYS VAL ALA VAL ILE ASP SER GLY ILE ASP SER SER HIS          
SEQRES   4 E  281  PRO ASP LEU LYS VAL ALA GLY GLY ALA SER MET VAL PRO          
SEQRES   5 E  281  SER GLU THR ASN PRO PHE GLN ASP ASN ASN SER HIS GLY          
SEQRES   6 E  281  THR HIS VAL ALA GLY THR VAL ALA ALA LEU ASN ASN SER          
SEQRES   7 E  281  ILE GLY VAL LEU GLY VAL ALA PRO SER ALA SER LEU TYR          
SEQRES   8 E  281  ALA VAL LYS VAL LEU GLY ALA ASP GLY SER GLY GLN TYR          
SEQRES   9 E  281  SER TRP ILE ILE ASN GLY ILE GLU TRP ALA ILE ALA ASN          
SEQRES  10 E  281  ASN MET ASP VAL ILE ASN MET SER LEU GLY GLY PRO SER          
SEQRES  11 E  281  GLY SER ALA ALA LEU LYS ALA ALA VAL ASP LYS ALA VAL          
SEQRES  12 E  281  ALA SER GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN GLU          
SEQRES  13 E  281  GLY THR SER GLY SER SER SER THR VAL GLY TYR PRO GLY          
SEQRES  14 E  281  LYS TYR PRO SER VAL ILE ALA VAL GLY ALA VAL ASP SER          
SEQRES  15 E  281  SER ASN GLN ARG ALA SER PHE SER SER VAL GLY PRO GLU          
SEQRES  16 E  281  LEU ASP VAL MET ALA PRO GLY VAL SER ILE GLN SER THR          
SEQRES  17 E  281  LEU PRO GLY ASN LYS TYR GLY ALA TYR ASN GLY THR SER          
SEQRES  18 E  281  MET ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE          
SEQRES  19 E  281  LEU SER LYS HIS PRO ASN TRP THR ASN THR GLN VAL ARG          
SEQRES  20 E  281  SER SER LEU GLU ASN THR THR THR LYS LEU GLY ASP SER          
SEQRES  21 E  281  PHE TYR TYR GLY LYS GLY LEU ILE ASN VAL GLN ALA ALA          
SEQRES  22 E  281  ALA GLN HIS HIS HIS HIS HIS HIS                              
SEQRES   1 I   64  MET LYS THR GLU TRP PRO GLU LEU VAL GLY LYS SER VAL          
SEQRES   2 I   64  GLU GLU ALA LYS LYS VAL ILE LEU GLN ASP LYS PRO ALA          
SEQRES   3 I   64  ALA GLN ILE ILE VAL LEU PRO VAL GLY THR ILE VAL THR          
SEQRES   4 I   64  GLY GLU TYR ARG ILE ASP ARG VAL ARG LEU PHE VAL ASP          
SEQRES   5 I   64  ARG LEU ASP ASN ILE ALA GLN VAL PRO ARG VAL GLY              
HET     CA  E 450       1                                                       
HET     NA  E 451       1                                                       
HET    CIT  E 452      13                                                       
HET    CIT  E 453      13                                                       
HET    1PE  E 454      11                                                       
HET    1PE  E 455      16                                                       
HET    1PE  E 456      12                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM      NA SODIUM ION                                                       
HETNAM     CIT CITRIC ACID                                                      
HETNAM     1PE PENTAETHYLENE GLYCOL                                             
HETSYN     1PE PEG400                                                           
FORMUL   3   CA    CA 2+                                                        
FORMUL   4   NA    NA 1+                                                        
FORMUL   5  CIT    2(C6 H8 O7)                                                  
FORMUL   7  1PE    3(C10 H22 O6)                                                
FORMUL  10  HOH   *439(H2 O)                                                    
HELIX    1   1 PRO E    5  ILE E   11  1                                   7    
HELIX    2   2 LYS E   12  GLY E   20  1                                   9    
HELIX    3   3 SER E   63  ALA E   74  1                                  12    
HELIX    4   4 GLN E  103  ASN E  117  1                                  15    
HELIX    5   5 SER E  132  SER E  145  1                                  14    
HELIX    6   6 GLY E  219  HIS E  238  1                                  20    
HELIX    7   7 THR E  242  ASN E  252  1                                  11    
HELIX    8   8 ASP E  259  GLY E  264  1                                   6    
HELIX    9   9 ASN E  269  ALA E  274  1                                   6    
HELIX   10  10 TRP I   24  VAL I   28  5                                   5    
HELIX   11  11 SER I   31  LYS I   43  1                                  13    
SHEET    1   A 7 VAL E  44  SER E  49  0                                        
SHEET    2   A 7 SER E  89  LYS E  94  1  O  LEU E  90   N  ALA E  45           
SHEET    3   A 7 LYS E  27  ASP E  32  1  N  VAL E  28   O  TYR E  91           
SHEET    4   A 7 VAL E 121  MET E 124  1  O  VAL E 121   N  ALA E  29           
SHEET    5   A 7 VAL E 148  ALA E 152  1  O  VAL E 148   N  ILE E 122           
SHEET    6   A 7 ILE E 175  VAL E 180  1  O  ILE E 175   N  ALA E 151           
SHEET    7   A 7 VAL E 198  PRO E 201  1  O  VAL E 198   N  GLY E 178           
SHEET    1   B 3 SER E 101  GLY E 102  0                                        
SHEET    2   B 3 ILE I  56  THR I  58 -1  O  ILE I  56   N  GLY E 102           
SHEET    3   B 3 LEU E 126  GLY E 127 -1  N  GLY E 127   O  VAL I  57           
SHEET    1   C 2 ILE E 205  LEU E 209  0                                        
SHEET    2   C 2 LYS E 213  TYR E 217 -1  O  TYR E 217   N  ILE E 205           
SHEET    1   D 3 GLN I  47  PRO I  52  0                                        
SHEET    2   D 3 ARG I  62  VAL I  70  1  O  ASP I  64   N  GLN I  47           
SHEET    3   D 3 ARG I  81  GLY I  83 -1  O  GLY I  83   N  ARG I  65           
LINK         OE1 GLN E   2                CA    CA E 450     1555   1555  2.41  
LINK         OD1 ASP E  41                CA    CA E 450     1555   1555  2.43  
LINK         O   LEU E  75                CA    CA E 450     1555   1555  2.36  
LINK         OD1 ASN E  77                CA    CA E 450     1555   1555  2.38  
LINK         O   ILE E  79                CA    CA E 450     1555   1555  2.39  
LINK         O   VAL E  81                CA    CA E 450     1555   1555  2.41  
LINK         O   GLY E 169                NA    NA E 451     1555   1555  2.35  
LINK         O   TYR E 171                NA    NA E 451     1555   1555  2.33  
LINK         O   VAL E 174                NA    NA E 451     1555   1555  2.31  
LINK        NA    NA E 451                 O   HOH E 488     1555   1555  2.55  
LINK        NA    NA E 451                 O   HOH E 592     1555   1555  2.46  
CISPEP   1 TYR E  167    PRO E  168          0         7.60                     
SITE     1 AC1  6 GLN E   2  ASP E  41  LEU E  75  ASN E  77                    
SITE     2 AC1  6 ILE E  79  VAL E  81                                          
SITE     1 AC2  5 GLY E 169  TYR E 171  VAL E 174  HOH E 488                    
SITE     2 AC2  5 HOH E 592                                                     
SITE     1 AC3 13 ALA E   1  TYR E  21  LYS E 237  HIS E 238                    
SITE     2 AC3 13 ASN E 240  TRP E 241  HIS E 276  CIT E 453                    
SITE     3 AC3 13 HOH E 484  HOH E 539  HOH E 573  HOH E 778                    
SITE     4 AC3 13 HOH E 800                                                     
SITE     1 AC4 12 TRP E 241  GLN E 245  HIS E 276  CIT E 452                    
SITE     2 AC4 12 HOH E 516  HOH E 539  HOH E 674  HOH E 682                    
SITE     3 AC4 12 HOH E 760  HOH E 778  HOH E 800  HOH E 801                    
SITE     1 AC5  5 HIS E  17  THR E  22  ASN E  76  HOH E 530                    
SITE     2 AC5  5 HOH E 773                                                     
SITE     1 AC6  6 ILE E 115  ASN E 118  MET E 119  SER E 145                    
SITE     2 AC6  6 HOH E 617  HOH E 802                                          
SITE     1 AC7  5 SER E  37  VAL E  44  ALA E  45  PHE E  58                    
SITE     2 AC7  5 HOH E 779                                                     
CRYST1   94.100   94.100  186.806  90.00  90.00 120.00 P 65 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      0.010627  0.006135  0.000000        0.00000                         
SCALE2      0.000000  0.012271  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005353        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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