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Database: PDB
Entry: 2AJH
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HEADER    LIGASE                                  02-AUG-05   2AJH              
TITLE     CRYSTAL STRUCTURE OF THE EDITING DOMAIN OF E. COLI LEUCYL-TRNA        
TITLE    2 SYNTHETASE COMPLEXES WITH METHIONINE                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LEUCYL-TRNA SYNTHETASE;                                    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: RESIDUES 228-413;                                          
COMPND   5 SYNONYM: LEUCINE--TRNA LIGASE, LEURS;                                
COMPND   6 EC: 6.1.1.4;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3);                                
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-3E-HIS                                
KEYWDS    EDITING DOMAIN, LEUCYL-TRNA SYNTHETASE, LIGASE                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.LIU,J.LIAO,B.ZHU,E.D.WANG,J.DING                                    
REVDAT   5   13-MAR-24 2AJH    1       REMARK SEQADV                            
REVDAT   4   11-OCT-17 2AJH    1       REMARK                                   
REVDAT   3   24-FEB-09 2AJH    1       VERSN                                    
REVDAT   2   21-FEB-06 2AJH    1       JRNL   AUTHOR                            
REVDAT   1   24-JAN-06 2AJH    0                                                
JRNL        AUTH   Y.LIU,J.LIAO,B.ZHU,E.D.WANG,J.DING                           
JRNL        TITL   CRYSTAL STRUCTURES OF THE EDITING DOMAIN OF ESCHERICHIA COLI 
JRNL        TITL 2 LEUCYL-TRNA SYNTHETASE AND ITS COMPLEXES WITH MET AND ILE    
JRNL        TITL 3 REVEAL A LOCK-AND-KEY MECHANISM FOR AMINO ACID               
JRNL        TITL 4 DISCRIMINATION                                               
JRNL        REF    BIOCHEM.J.                    V. 394   399 2006              
JRNL        REFN                   ISSN 0264-6021                               
JRNL        PMID   16277600                                                     
JRNL        DOI    10.1042/BJ20051249                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 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) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 18755                          
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) : 0.243                           
REMARK   3   R VALUE            (WORKING SET) : 0.241                           
REMARK   3   FREE R VALUE                     : 0.284                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1007                            
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) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.46                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1360                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.60                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3040                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 72                           
REMARK   3   BIN FREE R VALUE                    : 0.3180                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2693                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 18                                      
REMARK   3   SOLVENT ATOMS            : 78                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 52.61                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.33000                                              
REMARK   3    B22 (A**2) : 2.33000                                              
REMARK   3    B33 (A**2) : -3.50000                                             
REMARK   3    B12 (A**2) : 1.17000                                              
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): 0.358         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.269         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.930                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.908                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2765 ; 0.014 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3756 ; 1.474 ; 1.950       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   358 ; 6.149 ; 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):   423 ; 0.093 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2141 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1290 ; 0.230 ; 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):   121 ; 0.143 ; 0.200       
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):    24 ; 0.220 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     4 ; 0.141 ; 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):  1798 ; 0.815 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2852 ; 1.583 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   967 ; 2.408 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   904 ; 3.922 ; 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 2AJH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-AUG-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033966.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-MAR-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 123                                
REMARK 200  PH                             : 9                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : OSMIC MIRROR                       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : R-AXIS                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19784                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 6.200                              
REMARK 200  R MERGE                    (I) : 0.12100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.45200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: (NH4)2SO4, PH 9, VAPOR DIFFUSION,        
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 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                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z                                              
REMARK 290      10555   -Y,-X,-Z+1/2                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/2                                            
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        0.00000            
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        0.00000            
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       67.46550            
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       67.46550            
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       67.46550            
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        0.00000            
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        0.00000            
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       67.46550            
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       67.46550            
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       67.46550            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   218                                                      
REMARK 465     HIS A   219                                                      
REMARK 465     HIS A   220                                                      
REMARK 465     HIS A   221                                                      
REMARK 465     HIS A   222                                                      
REMARK 465     HIS A   223                                                      
REMARK 465     HIS A   224                                                      
REMARK 465     ALA A   225                                                      
REMARK 465     MET A   226                                                      
REMARK 465     GLY A   227                                                      
REMARK 465     MET B   218                                                      
REMARK 465     HIS B   219                                                      
REMARK 465     HIS B   220                                                      
REMARK 465     HIS B   221                                                      
REMARK 465     HIS B   222                                                      
REMARK 465     HIS B   223                                                      
REMARK 465     HIS B   224                                                      
REMARK 465     ALA B   225                                                      
REMARK 465     MET B   226                                                      
REMARK 465     GLY B   227                                                      
REMARK 465     ASN B   287                                                      
REMARK 465     THR B   288                                                      
REMARK 465     LYS B   289                                                      
REMARK 465     VAL B   290                                                      
REMARK 465     ALA B   291                                                      
REMARK 465     GLU B   292                                                      
REMARK 465     ALA B   293                                                      
REMARK 465     GLU B   294                                                      
REMARK 465     MET B   295                                                      
REMARK 465     ALA B   296                                                      
REMARK 465     VAL B   413                                                      
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     LYS A 270    CG   CD   CE   NZ                                   
REMARK 470     ASN A 274    CG   OD1  ND2                                       
REMARK 470     ARG A 286    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 289    CG   CD   CE   NZ                                   
REMARK 470     GLU A 316    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 329    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 377    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 393    CG   CD   OE1  OE2                                  
REMARK 470     ASP B 240    CG   OD1  OD2                                       
REMARK 470     THR B 297    OG1  CG2                                            
REMARK 470     MET B 298    CG   SD   CE                                        
REMARK 470     GLN B 372    CG   CD   OE1  NE2                                  
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    LEU A 267   CA  -  CB  -  CG  ANGL. DEV. =  16.9 DEGREES          
REMARK 500    ASP A 342   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP A 345   CB  -  CG  -  OD2 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ASP A 391   CB  -  CG  -  OD2 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ASP B 283   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP B 345   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 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    ALA A 296        0.42    -64.88                                   
REMARK 500    HIS A 341       -0.74   -152.53                                   
REMARK 500    ASN B 275       93.56   -175.44                                   
REMARK 500    TYR B 330       -5.16     74.07                                   
REMARK 500    VAL B 359       -7.67   -142.70                                   
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 MET A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MET B 601                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2AJG   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN                                                     
REMARK 900 RELATED ID: 2AJI   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH ISOLEUCINE                           
DBREF  2AJH A  228   413  UNP    P07813   SYL_ECOLI      228    413             
DBREF  2AJH B  228   413  UNP    P07813   SYL_ECOLI      228    413             
SEQADV 2AJH MET A  218  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS A  219  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS A  220  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS A  221  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS A  222  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS A  223  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS A  224  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH ALA A  225  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH MET A  226  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH GLY A  227  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH MET B  218  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS B  219  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS B  220  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS B  221  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS B  222  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS B  223  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH HIS B  224  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH ALA B  225  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH MET B  226  UNP  P07813              EXPRESSION TAG                 
SEQADV 2AJH GLY B  227  UNP  P07813              EXPRESSION TAG                 
SEQRES   1 A  196  MET HIS HIS HIS HIS HIS HIS ALA MET GLY GLU GLY VAL          
SEQRES   2 A  196  GLU ILE THR PHE ASN VAL ASN ASP TYR ASP ASN THR LEU          
SEQRES   3 A  196  THR VAL TYR THR THR ARG PRO ASP THR PHE MET GLY CYS          
SEQRES   4 A  196  THR TYR LEU ALA VAL ALA ALA GLY HIS PRO LEU ALA GLN          
SEQRES   5 A  196  LYS ALA ALA GLU ASN ASN PRO GLU LEU ALA ALA PHE ILE          
SEQRES   6 A  196  ASP GLU CYS ARG ASN THR LYS VAL ALA GLU ALA GLU MET          
SEQRES   7 A  196  ALA THR MET GLU LYS LYS GLY VAL ASP THR GLY PHE LYS          
SEQRES   8 A  196  ALA VAL HIS PRO LEU THR GLY GLU GLU ILE PRO VAL TRP          
SEQRES   9 A  196  ALA ALA ASN PHE VAL LEU MET GLU TYR GLY THR GLY ALA          
SEQRES  10 A  196  VAL MET ALA VAL PRO GLY HIS ASP GLN ARG ASP TYR GLU          
SEQRES  11 A  196  PHE ALA SER LYS TYR GLY LEU ASN ILE LYS PRO VAL ILE          
SEQRES  12 A  196  LEU ALA ALA ASP GLY SER GLU PRO ASP LEU SER GLN GLN          
SEQRES  13 A  196  ALA LEU THR GLU LYS GLY VAL LEU PHE ASN SER GLY GLU          
SEQRES  14 A  196  PHE ASN GLY LEU ASP HIS GLU ALA ALA PHE ASN ALA ILE          
SEQRES  15 A  196  ALA ASP LYS LEU THR ALA MET GLY VAL GLY GLU ARG LYS          
SEQRES  16 A  196  VAL                                                          
SEQRES   1 B  196  MET HIS HIS HIS HIS HIS HIS ALA MET GLY GLU GLY VAL          
SEQRES   2 B  196  GLU ILE THR PHE ASN VAL ASN ASP TYR ASP ASN THR LEU          
SEQRES   3 B  196  THR VAL TYR THR THR ARG PRO ASP THR PHE MET GLY CYS          
SEQRES   4 B  196  THR TYR LEU ALA VAL ALA ALA GLY HIS PRO LEU ALA GLN          
SEQRES   5 B  196  LYS ALA ALA GLU ASN ASN PRO GLU LEU ALA ALA PHE ILE          
SEQRES   6 B  196  ASP GLU CYS ARG ASN THR LYS VAL ALA GLU ALA GLU MET          
SEQRES   7 B  196  ALA THR MET GLU LYS LYS GLY VAL ASP THR GLY PHE LYS          
SEQRES   8 B  196  ALA VAL HIS PRO LEU THR GLY GLU GLU ILE PRO VAL TRP          
SEQRES   9 B  196  ALA ALA ASN PHE VAL LEU MET GLU TYR GLY THR GLY ALA          
SEQRES  10 B  196  VAL MET ALA VAL PRO GLY HIS ASP GLN ARG ASP TYR GLU          
SEQRES  11 B  196  PHE ALA SER LYS TYR GLY LEU ASN ILE LYS PRO VAL ILE          
SEQRES  12 B  196  LEU ALA ALA ASP GLY SER GLU PRO ASP LEU SER GLN GLN          
SEQRES  13 B  196  ALA LEU THR GLU LYS GLY VAL LEU PHE ASN SER GLY GLU          
SEQRES  14 B  196  PHE ASN GLY LEU ASP HIS GLU ALA ALA PHE ASN ALA ILE          
SEQRES  15 B  196  ALA ASP LYS LEU THR ALA MET GLY VAL GLY GLU ARG LYS          
SEQRES  16 B  196  VAL                                                          
HET    MET  A 501       9                                                       
HET    MET  B 601       9                                                       
HETNAM     MET METHIONINE                                                       
FORMUL   3  MET    2(C5 H11 N O2 S)                                             
FORMUL   5  HOH   *78(H2 O)                                                     
HELIX    1   1 ARG A  249  CYS A  256  5                                   8    
HELIX    2   2 HIS A  265  GLU A  273  1                                   9    
HELIX    3   3 ASN A  275  THR A  288  1                                  14    
HELIX    4   4 ALA A  291  MET A  295  5                                   5    
HELIX    5   5 ASP A  342  GLY A  353  1                                  12    
HELIX    6   6 SER A  384  ASN A  388  5                                   5    
HELIX    7   7 ASP A  391  MET A  406  1                                  16    
HELIX    8   8 ARG B  249  CYS B  256  5                                   8    
HELIX    9   9 HIS B  265  GLU B  273  1                                   9    
HELIX   10  10 ASN B  275  CYS B  285  1                                  11    
HELIX   11  11 ASP B  342  GLY B  353  1                                  12    
HELIX   12  12 SER B  384  ASN B  388  5                                   5    
HELIX   13  13 ASP B  391  MET B  406  1                                  16    
SHEET    1   A 6 THR A 242  THR A 247  0                                        
SHEET    2   A 6 GLY A 229  VAL A 236 -1  N  VAL A 230   O  THR A 247           
SHEET    3   A 6 GLY A 302  VAL A 310 -1  O  VAL A 310   N  ASN A 235           
SHEET    4   A 6 GLU A 317  ALA A 323 -1  O  ILE A 318   N  ALA A 309           
SHEET    5   A 6 TYR A 258  ALA A 262  1  N  LEU A 259   O  TRP A 321           
SHEET    6   A 6 ALA A 334  ALA A 337 -1  O  VAL A 335   N  ALA A 260           
SHEET    1   B 3 THR A 242  THR A 247  0                                        
SHEET    2   B 3 GLY A 229  VAL A 236 -1  N  VAL A 230   O  THR A 247           
SHEET    3   B 3 GLY A 409  LYS A 412 -1  O  GLU A 410   N  GLU A 231           
SHEET    1   C 3 LEU B 243  THR B 247  0                                        
SHEET    2   C 3 GLY B 229  PHE B 234 -1  N  ILE B 232   O  VAL B 245           
SHEET    3   C 3 GLY B 409  LYS B 412 -1  O  GLU B 410   N  GLU B 231           
SHEET    1   D 4 GLY B 302  VAL B 310  0                                        
SHEET    2   D 4 GLU B 317  ALA B 323 -1  O  VAL B 320   N  THR B 305           
SHEET    3   D 4 TYR B 258  ALA B 262  1  N  LEU B 259   O  TRP B 321           
SHEET    4   D 4 ALA B 334  ALA B 337 -1  O  VAL B 335   N  ALA B 260           
SITE     1 AC1 10 HOH A   8  THR A 247  ARG A 249  THR A 252                    
SITE     2 AC1 10 MET A 336  VAL A 338  HIS A 341  ASP A 342                    
SITE     3 AC1 10 ASP A 345  HOH B  12                                          
SITE     1 AC2  8 ASP A 364  THR B 247  ARG B 249  THR B 252                    
SITE     2 AC2  8 MET B 336  HIS B 341  ASP B 342  ASP B 345                    
CRYST1  111.518  111.518  134.931  90.00  90.00 120.00 P 63 2 2     24          
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      0.008967  0.005177  0.000000        0.00000                         
SCALE2      0.000000  0.010354  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007411        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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