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Database: PDB
Entry: 2A6C
LinkDB: 2A6C
Original site: 2A6C 
HEADER    TRANSCRIPTION                           02-JUL-05   2A6C              
TITLE     CRYSTAL STRUCTURE OF A PUTATIVE TRANSCRIPTIONAL REGULATOR (NE_1354)   
TITLE    2 FROM NITROSOMONAS EUROPAEA AT 1.90 A RESOLUTION                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HELIX-TURN-HELIX MOTIF;                                    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NITROSOMONAS EUROPAEA;                          
SOURCE   3 ORGANISM_TAXID: 915;                                                 
SOURCE   4 ATCC: 19718;                                                         
SOURCE   5 GENE: NP_841403.1;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: HK100;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    PUTATIVE TRANSCRIPTIONAL REGULATOR, STRUCTURAL GENOMICS, JOINT CENTER 
KEYWDS   2 FOR STRUCTURAL GENOMICS, JCSG, PROTEIN STRUCTURE INITIATIVE, PSI-2,  
KEYWDS   3 TRANSCRIPTION                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG)                           
REVDAT   5   25-JAN-23 2A6C    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 2A6C    1       VERSN                                    
REVDAT   3   28-JUL-10 2A6C    1       HEADER TITLE  KEYWDS                     
REVDAT   2   24-FEB-09 2A6C    1       VERSN                                    
REVDAT   1   12-JUL-05 2A6C    0                                                
JRNL        AUTH   JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG)                  
JRNL        TITL   CRYSTAL STRUCTURE OF (NP_841403.1) FROM NITROSOMONAS         
JRNL        TITL 2 EUROPAEA AT 1.90 A RESOLUTION                                
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD WITH PHASES                
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 12269                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.182                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 672                             
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 899                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.14                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2100                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 52                           
REMARK   3   BIN FREE R VALUE                    : 0.2350                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1178                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 29                                      
REMARK   3   SOLVENT ATOMS            : 72                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.91                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.00000                                             
REMARK   3    B22 (A**2) : 2.85000                                              
REMARK   3    B33 (A**2) : -1.02000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.83000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.151         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.152         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.105         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.221         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
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):  1234 ; 0.018 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  1186 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1659 ; 1.357 ; 1.972       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2733 ; 0.844 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   154 ; 5.035 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    48 ;28.379 ;23.125       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   230 ;12.335 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     8 ;12.684 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   198 ; 0.087 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1330 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   230 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   249 ; 0.215 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1137 ; 0.173 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   602 ; 0.168 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   778 ; 0.081 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    46 ; 0.144 ; 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):    20 ; 0.247 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):   101 ; 0.238 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     9 ; 0.116 ; 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):   791 ; 2.347 ; 3.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   318 ; 0.651 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1231 ; 2.861 ; 5.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   475 ; 5.452 ; 8.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   428 ; 7.442 ;11.000       
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   : 1.20                                          
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 2A6C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033542.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-JUN-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97929, 0.91162                   
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 325 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14998                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 26.480                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.7                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.09500                            
REMARK 200  R SYM                      (I) : 0.09500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 3.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.85                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.51600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.51600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.01                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 40.0 % MPD, 0.1M PHOSPHATE CITRATE,      
REMARK 280  VAPOR DIFFUSION,SITTING DROP,NANODROP, TEMPERATURE 273K, PH 4.2     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       43.93100            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       20.39400            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       43.93100            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       20.39400            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 2470 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 8180 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       61.30281            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       46.31870            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
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 350   BIOMT1   2 -1.000000  0.000000  0.000000       87.86200            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 102  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MSE A   -11                                                      
REMARK 465     GLY A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     ASP A    -8                                                      
REMARK 465     LYS A    -7                                                      
REMARK 465     ALA A    70                                                      
REMARK 465     ALA A    71                                                      
REMARK 465     MSE B   -11                                                      
REMARK 465     GLY B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     ASP B    -8                                                      
REMARK 465     LYS B    -7                                                      
REMARK 465     ALA B    70                                                      
REMARK 465     ALA B    71                                                      
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     ILE A  -6    CG1  CG2  CD1                                       
REMARK 470     HIS A  -5    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A   2    CG   CD   CE   NZ                                   
REMARK 470     LYS A  62    CD   CE   NZ                                        
REMARK 470     GLU A  64    CD   OE1  OE2                                       
REMARK 470     LYS A  68    CG   CD   CE   NZ                                   
REMARK 470     ASP A  69    CB   CG   OD1  OD2                                  
REMARK 470     ILE B  -6    CD1                                                 
REMARK 470     LYS B  24    CE   NZ                                             
REMARK 470     GLU B  27    CD   OE1  OE2                                       
REMARK 470     LYS B  62    CD   CE   NZ                                        
REMARK 470     GLU B  64    CD   OE1  OE2                                       
REMARK 470     LYS B  68    CD   CE   NZ                                        
REMARK 470     ASP B  69    CG   OD1  OD2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    MSE A   1  SE     MSE A   1   CE     -0.379                       
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 EDO A 72                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT B 72                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 73                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 74                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 358727   RELATED DB: TARGETDB                            
DBREF  2A6C A    1    71  UNP    Q82UW4   Q82UW4_NITEU     1     71             
DBREF  2A6C B    1    71  UNP    Q82UW4   Q82UW4_NITEU     1     71             
SEQADV 2A6C MSE A  -11  UNP  Q82UW4              MODIFIED RESIDUE               
SEQADV 2A6C GLY A  -10  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C SER A   -9  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C ASP A   -8  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C LYS A   -7  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C ILE A   -6  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS A   -5  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS A   -4  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS A   -3  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS A   -2  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS A   -1  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS A    0  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C MSE A    1  UNP  Q82UW4    MET     1 MODIFIED RESIDUE               
SEQADV 2A6C MSE A    3  UNP  Q82UW4    MET     3 MODIFIED RESIDUE               
SEQADV 2A6C MSE A   40  UNP  Q82UW4    MET    40 MODIFIED RESIDUE               
SEQADV 2A6C MSE A   55  UNP  Q82UW4    MET    55 MODIFIED RESIDUE               
SEQADV 2A6C MSE B  -11  UNP  Q82UW4              MODIFIED RESIDUE               
SEQADV 2A6C GLY B  -10  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C SER B   -9  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C ASP B   -8  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C LYS B   -7  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C ILE B   -6  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS B   -5  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS B   -4  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS B   -3  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS B   -2  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS B   -1  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C HIS B    0  UNP  Q82UW4              EXPRESSION TAG                 
SEQADV 2A6C MSE B    1  UNP  Q82UW4    MET     1 MODIFIED RESIDUE               
SEQADV 2A6C MSE B    3  UNP  Q82UW4    MET     3 MODIFIED RESIDUE               
SEQADV 2A6C MSE B   40  UNP  Q82UW4    MET    40 MODIFIED RESIDUE               
SEQADV 2A6C MSE B   55  UNP  Q82UW4    MET    55 MODIFIED RESIDUE               
SEQRES   1 A   83  MSE GLY SER ASP LYS ILE HIS HIS HIS HIS HIS HIS MSE          
SEQRES   2 A   83  LYS MSE ARG SER GLN LEU LEU ILE VAL LEU GLN GLU HIS          
SEQRES   3 A   83  LEU ARG ASN SER GLY LEU THR GLN PHE LYS ALA ALA GLU          
SEQRES   4 A   83  LEU LEU GLY VAL THR GLN PRO ARG VAL SER ASP LEU MSE          
SEQRES   5 A   83  ARG GLY LYS ILE ASP LEU PHE SER LEU GLU SER LEU ILE          
SEQRES   6 A   83  ASP MSE ILE THR SER ILE GLY LEU LYS VAL GLU ILE ASN          
SEQRES   7 A   83  ILE LYS ASP ALA ALA                                          
SEQRES   1 B   83  MSE GLY SER ASP LYS ILE HIS HIS HIS HIS HIS HIS MSE          
SEQRES   2 B   83  LYS MSE ARG SER GLN LEU LEU ILE VAL LEU GLN GLU HIS          
SEQRES   3 B   83  LEU ARG ASN SER GLY LEU THR GLN PHE LYS ALA ALA GLU          
SEQRES   4 B   83  LEU LEU GLY VAL THR GLN PRO ARG VAL SER ASP LEU MSE          
SEQRES   5 B   83  ARG GLY LYS ILE ASP LEU PHE SER LEU GLU SER LEU ILE          
SEQRES   6 B   83  ASP MSE ILE THR SER ILE GLY LEU LYS VAL GLU ILE ASN          
SEQRES   7 B   83  ILE LYS ASP ALA ALA                                          
MODRES 2A6C MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE A    3  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE A   40  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE A   55  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE B    1  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE B    3  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE B   40  MET  SELENOMETHIONINE                                   
MODRES 2A6C MSE B   55  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A   3       8                                                       
HET    MSE  A  40       8                                                       
HET    MSE  A  55       8                                                       
HET    MSE  B   1       8                                                       
HET    MSE  B   3       8                                                       
HET    MSE  B  40       8                                                       
HET    MSE  B  55       8                                                       
HET    EDO  A  72       4                                                       
HET    CIT  B  72      13                                                       
HET    GOL  B  73       6                                                       
HET    GOL  B  74       6                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM     CIT CITRIC ACID                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     EDO ETHYLENE GLYCOL                                                  
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  MSE    8(C5 H11 N O2 SE)                                            
FORMUL   3  EDO    C2 H6 O2                                                     
FORMUL   4  CIT    C6 H8 O7                                                     
FORMUL   5  GOL    2(C3 H8 O3)                                                  
FORMUL   7  HOH   *72(H2 O)                                                     
HELIX    1   1 HIS A    0  ASN A   17  1                                  18    
HELIX    2   2 THR A   21  GLY A   30  1                                  10    
HELIX    3   3 THR A   32  ARG A   41  1                                  10    
HELIX    4   4 LYS A   43  PHE A   47  5                                   5    
HELIX    5   5 SER A   48  ILE A   59  1                                  12    
HELIX    6   6 HIS B    0  ASN B   17  1                                  18    
HELIX    7   7 THR B   21  GLY B   30  1                                  10    
HELIX    8   8 THR B   32  ARG B   41  1                                  10    
HELIX    9   9 LYS B   43  PHE B   47  5                                   5    
HELIX   10  10 SER B   48  ILE B   59  1                                  12    
LINK         C   HIS A   0                 N   MSE A   1     1555   1555  1.32  
LINK         C   MSE A   1                 N   LYS A   2     1555   1555  1.33  
LINK         C   LYS A   2                 N   MSE A   3     1555   1555  1.31  
LINK         C   MSE A   3                 N   ARG A   4     1555   1555  1.32  
LINK         C   LEU A  39                 N   MSE A  40     1555   1555  1.33  
LINK         C   MSE A  40                 N   ARG A  41     1555   1555  1.33  
LINK         C   ASP A  54                 N   MSE A  55     1555   1555  1.32  
LINK         C   MSE A  55                 N   ILE A  56     1555   1555  1.33  
LINK         C   HIS B   0                 N   MSE B   1     1555   1555  1.33  
LINK         C   MSE B   1                 N   LYS B   2     1555   1555  1.33  
LINK         C   LYS B   2                 N   MSE B   3     1555   1555  1.32  
LINK         C   MSE B   3                 N   ARG B   4     1555   1555  1.32  
LINK         C   LEU B  39                 N   MSE B  40     1555   1555  1.33  
LINK         C   MSE B  40                 N   ARG B  41     1555   1555  1.33  
LINK         C   ASP B  54                 N   MSE B  55     1555   1555  1.33  
LINK         C   MSE B  55                 N   ILE B  56     1555   1555  1.33  
SITE     1 AC1  1 SER A  18                                                     
SITE     1 AC2 10 HIS A  -1  HIS B  -1  HIS B  -2  HIS B  -5                    
SITE     2 AC2 10 HIS B  -3  HIS B  -4  HIS B   0  ARG B   4                    
SITE     3 AC2 10 GLU B  50  ASP B  54                                          
SITE     1 AC3  5 HIS A  -1  HIS A   0  HIS B  -1  HIS B   0                    
SITE     2 AC3  5 HOH B  80                                                     
SITE     1 AC4  4 HIS B  14  LEU B  15  SER B  18  HOH B 111                    
CRYST1   87.862   40.788   53.393  90.00 119.83  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011380  0.000000  0.006530        0.00000                         
SCALE2      0.000000  0.024520  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021590        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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