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Database: PDB
Entry: 3LA7
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Original site: 3LA7 
HEADER    TRANSCRIPTION                           06-JAN-10   3LA7              
TITLE     CRYSTAL STRUCTURE OF NTCA IN APO-FORM                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GLOBAL NITROGEN REGULATOR;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DNA-BINDING PROTEIN VF1, NITROGEN-RESPONSIVE REGULATORY     
COMPND   5 PROTEIN;                                                             
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ANABAENA;                                       
SOURCE   3 ORGANISM_TAXID: 103690;                                              
SOURCE   4 STRAIN: PCC 7120;                                                    
SOURCE   5 GENE: ALR4392, BIFA, NTCA;                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28B                                    
KEYWDS    NITROGEN REGULATOR, ACTIVATOR, DNA-BINDING, TRANSCRIPTION,            
KEYWDS   2 TRANSCRIPTION REGULATION                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.X.ZHAO,Y.L.JIANG,Y.X.HE,Y.F.CHEN,Y.B.TENG,C.C.ZHANG,Y.X.CHEN,       
AUTHOR   2 C.Z.ZHOU                                                             
REVDAT   3   20-MAR-24 3LA7    1       HETSYN                                   
REVDAT   2   29-JUL-20 3LA7    1       COMPND REMARK SEQADV HETNAM              
REVDAT   2 2                   1       SITE                                     
REVDAT   1   01-SEP-10 3LA7    0                                                
JRNL        AUTH   M.X.ZHAO,Y.L.JIANG,Y.X.HE,Y.F.CHEN,Y.B.TENG,Y.X.CHEN,        
JRNL        AUTH 2 C.C.ZHANG,C.Z.ZHOU                                           
JRNL        TITL   STRUCTURAL BASIS FOR THE ALLOSTERIC CONTROL OF THE GLOBAL    
JRNL        TITL 2 TRANSCRIPTION FACTOR NTCA BY THE NITROGEN STARVATION SIGNAL  
JRNL        TITL 3 2-OXOGLUTARATE.                                              
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 107 12487 2010              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   20616047                                                     
JRNL        DOI    10.1073/PNAS.1001556107                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0066                                      
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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 37279                          
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) : 0.217                           
REMARK   3   R VALUE            (WORKING SET) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.264                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1972                            
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) : 2710                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.07                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2610                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 142                          
REMARK   3   BIN FREE R VALUE                    : 0.3300                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3247                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 170                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 85.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 40.81                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.55000                                              
REMARK   3    B22 (A**2) : 0.55000                                              
REMARK   3    B33 (A**2) : -1.10000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.159         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.156         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.106         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.524         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.949                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.927                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3329 ; 0.013 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4486 ; 1.410 ; 1.991       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   413 ; 5.730 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   134 ;32.782 ;22.985       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   628 ;15.240 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    28 ;12.899 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   532 ; 0.092 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2385 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2066 ; 1.048 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3346 ; 1.924 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1263 ; 2.641 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1140 ; 4.327 ; 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 : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3LA7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-JAN-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000057027.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-OCT-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL17U                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9791, 0.9792, 0.9795, 0.9700     
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RAYONIX MX-225                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 39299                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 10.70                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.93                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.53400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SHELXD                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30-40%(V/V) PEG 300, 0.1M NAAC PH4.5,    
REMARK 280  0.2M NACL, 2MM DTT, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE      
REMARK 280  289K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       85.97950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       85.97950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       33.75300            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       42.81200            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       33.75300            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       42.81200            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       85.97950            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       33.75300            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       42.81200            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       85.97950            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       33.75300            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       42.81200            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3330 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19070 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ILE A     2                                                      
REMARK 465     VAL A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     GLN A     5                                                      
REMARK 465     PRO A   215                                                      
REMARK 465     VAL A   216                                                      
REMARK 465     THR A   217                                                      
REMARK 465     LEU A   218                                                      
REMARK 465     SER A   219                                                      
REMARK 465     ARG A   220                                                      
REMARK 465     GLN A   221                                                      
REMARK 465     PHE A   222                                                      
REMARK 465     THR A   223                                                      
REMARK 465     MET B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ILE B     2                                                      
REMARK 465     VAL B     3                                                      
REMARK 465     THR B     4                                                      
REMARK 465     GLN B     5                                                      
REMARK 465     ALA B    17                                                      
REMARK 465     THR B    18                                                      
REMARK 465     GLY B    19                                                      
REMARK 465     ALA B    20                                                      
REMARK 465     PHE B    21                                                      
REMARK 465     PRO B    22                                                      
REMARK 465     THR B   217                                                      
REMARK 465     LEU B   218                                                      
REMARK 465     SER B   219                                                      
REMARK 465     ARG B   220                                                      
REMARK 465     GLN B   221                                                      
REMARK 465     PHE B   222                                                      
REMARK 465     THR B   223                                                      
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   OE1  GLU B    59     O    HOH B   257              1.92            
REMARK 500   NH1  ARG A    88     O    HOH A   233              2.02            
REMARK 500   OD2  ASP A   144     O    HOH A   283              2.06            
REMARK 500   O    VAL B    12     O    GLN B    15              2.07            
REMARK 500   CB   CYS B   164     O    GLY B   167              2.18            
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   NZ   LYS B    49     OE1  GLU B    71     4555     1.25            
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  20     -127.39   -132.75                                   
REMARK 500    ASN A  72        1.44     87.20                                   
REMARK 500    THR A  82     -158.44    -99.01                                   
REMARK 500    LYS A  85      -40.35   -136.28                                   
REMARK 500    PHE A 160       11.19   -141.62                                   
REMARK 500    ASP A 171       50.91    -90.36                                   
REMARK 500    SER A 185     -167.18   -118.18                                   
REMARK 500    ASN B  31       -3.11     76.43                                   
REMARK 500    ASN B  72        2.67     82.81                                   
REMARK 500    ASP B  87       98.04   -165.39                                   
REMARK 500    GLU B 114      -60.71    -99.69                                   
REMARK 500    PHE B 160       11.07   -141.20                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3LA2   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3LA3   RELATED DB: PDB                                   
DBREF  3LA7 A    1   223  UNP    P0A4U6   NTCA_ANASP       1    223             
DBREF  3LA7 B    1   223  UNP    P0A4U6   NTCA_ANASP       1    223             
SEQADV 3LA7 MET A  -19  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 GLY A  -18  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER A  -17  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER A  -16  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A  -15  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A  -14  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A  -13  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A  -12  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A  -11  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A  -10  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER A   -9  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER A   -8  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 GLY A   -7  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 LEU A   -6  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 VAL A   -5  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 PRO A   -4  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 ARG A   -3  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 GLY A   -2  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER A   -1  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS A    0  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 MET B  -19  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 GLY B  -18  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER B  -17  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER B  -16  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B  -15  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B  -14  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B  -13  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B  -12  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B  -11  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B  -10  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER B   -9  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER B   -8  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 GLY B   -7  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 LEU B   -6  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 VAL B   -5  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 PRO B   -4  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 ARG B   -3  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 GLY B   -2  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 SER B   -1  UNP  P0A4U6              EXPRESSION TAG                 
SEQADV 3LA7 HIS B    0  UNP  P0A4U6              EXPRESSION TAG                 
SEQRES   1 A  243  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  243  LEU VAL PRO ARG GLY SER HIS MET ILE VAL THR GLN ASP          
SEQRES   3 A  243  LYS ALA LEU ALA ASN VAL PHE ARG GLN MET ALA THR GLY          
SEQRES   4 A  243  ALA PHE PRO PRO VAL VAL GLU THR PHE GLU ARG ASN LYS          
SEQRES   5 A  243  THR ILE PHE PHE PRO GLY ASP PRO ALA GLU ARG VAL TYR          
SEQRES   6 A  243  PHE LEU LEU LYS GLY ALA VAL LYS LEU SER ARG VAL TYR          
SEQRES   7 A  243  GLU ALA GLY GLU GLU ILE THR VAL ALA LEU LEU ARG GLU          
SEQRES   8 A  243  ASN SER VAL PHE GLY VAL LEU SER LEU LEU THR GLY ASN          
SEQRES   9 A  243  LYS SER ASP ARG PHE TYR HIS ALA VAL ALA PHE THR PRO          
SEQRES  10 A  243  VAL GLU LEU LEU SER ALA PRO ILE GLU GLN VAL GLU GLN          
SEQRES  11 A  243  ALA LEU LYS GLU ASN PRO GLU LEU SER MET LEU MET LEU          
SEQRES  12 A  243  ARG GLY LEU SER SER ARG ILE LEU GLN THR GLU MET MET          
SEQRES  13 A  243  ILE GLU THR LEU ALA HIS ARG ASP MET GLY SER ARG LEU          
SEQRES  14 A  243  VAL SER PHE LEU LEU ILE LEU CYS ARG ASP PHE GLY VAL          
SEQRES  15 A  243  PRO CYS ALA ASP GLY ILE THR ILE ASP LEU LYS LEU SER          
SEQRES  16 A  243  HIS GLN ALA ILE ALA GLU ALA ILE GLY SER THR ARG VAL          
SEQRES  17 A  243  THR VAL THR ARG LEU LEU GLY ASP LEU ARG GLU LYS LYS          
SEQRES  18 A  243  MET ILE SER ILE HIS LYS LYS LYS ILE THR VAL HIS LYS          
SEQRES  19 A  243  PRO VAL THR LEU SER ARG GLN PHE THR                          
SEQRES   1 B  243  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  243  LEU VAL PRO ARG GLY SER HIS MET ILE VAL THR GLN ASP          
SEQRES   3 B  243  LYS ALA LEU ALA ASN VAL PHE ARG GLN MET ALA THR GLY          
SEQRES   4 B  243  ALA PHE PRO PRO VAL VAL GLU THR PHE GLU ARG ASN LYS          
SEQRES   5 B  243  THR ILE PHE PHE PRO GLY ASP PRO ALA GLU ARG VAL TYR          
SEQRES   6 B  243  PHE LEU LEU LYS GLY ALA VAL LYS LEU SER ARG VAL TYR          
SEQRES   7 B  243  GLU ALA GLY GLU GLU ILE THR VAL ALA LEU LEU ARG GLU          
SEQRES   8 B  243  ASN SER VAL PHE GLY VAL LEU SER LEU LEU THR GLY ASN          
SEQRES   9 B  243  LYS SER ASP ARG PHE TYR HIS ALA VAL ALA PHE THR PRO          
SEQRES  10 B  243  VAL GLU LEU LEU SER ALA PRO ILE GLU GLN VAL GLU GLN          
SEQRES  11 B  243  ALA LEU LYS GLU ASN PRO GLU LEU SER MET LEU MET LEU          
SEQRES  12 B  243  ARG GLY LEU SER SER ARG ILE LEU GLN THR GLU MET MET          
SEQRES  13 B  243  ILE GLU THR LEU ALA HIS ARG ASP MET GLY SER ARG LEU          
SEQRES  14 B  243  VAL SER PHE LEU LEU ILE LEU CYS ARG ASP PHE GLY VAL          
SEQRES  15 B  243  PRO CYS ALA ASP GLY ILE THR ILE ASP LEU LYS LEU SER          
SEQRES  16 B  243  HIS GLN ALA ILE ALA GLU ALA ILE GLY SER THR ARG VAL          
SEQRES  17 B  243  THR VAL THR ARG LEU LEU GLY ASP LEU ARG GLU LYS LYS          
SEQRES  18 B  243  MET ILE SER ILE HIS LYS LYS LYS ILE THR VAL HIS LYS          
SEQRES  19 B  243  PRO VAL THR LEU SER ARG GLN PHE THR                          
HET    BOG  A 224      20                                                       
HETNAM     BOG OCTYL BETA-D-GLUCOPYRANOSIDE                                     
HETSYN     BOG BETA-OCTYLGLUCOSIDE; OCTYL BETA-D-GLUCOSIDE; OCTYL D-            
HETSYN   2 BOG  GLUCOSIDE; OCTYL GLUCOSIDE                                      
FORMUL   3  BOG    C14 H28 O6                                                   
FORMUL   4  HOH   *170(H2 O)                                                    
HELIX    1   1 ASP A    6  ALA A   17  1                                  12    
HELIX    2   2 VAL A   77  THR A   82  1                                   6    
HELIX    3   3 ILE A  105  LYS A  113  1                                   9    
HELIX    4   4 ASN A  115  HIS A  142  1                                  28    
HELIX    5   5 ASP A  144  PHE A  160  1                                  17    
HELIX    6   6 SER A  175  GLY A  184  1                                  10    
HELIX    7   7 THR A  186  LYS A  200  1                                  15    
HELIX    8   8 ASP B    6  GLN B   15  1                                  10    
HELIX    9   9 VAL B   77  THR B   82  1                                   6    
HELIX   10  10 ILE B  105  ASN B  115  1                                  11    
HELIX   11  11 PRO B  116  ALA B  141  1                                  26    
HELIX   12  12 ASP B  144  PHE B  160  1                                  17    
HELIX   13  13 SER B  175  GLY B  184  1                                  10    
HELIX   14  14 THR B  186  LYS B  200  1                                  15    
SHEET    1   A 4 VAL A  24  PHE A  28  0                                        
SHEET    2   A 4 VAL A  98  PRO A 104 -1  O  VAL A  98   N  PHE A  28           
SHEET    3   A 4 ARG A  43  LYS A  49 -1  N  VAL A  44   O  ALA A 103           
SHEET    4   A 4 VAL A  74  PHE A  75 -1  O  PHE A  75   N  TYR A  45           
SHEET    1   B 4 THR A  33  PHE A  35  0                                        
SHEET    2   B 4 TYR A  90  ALA A  94 -1  O  ALA A  92   N  ILE A  34           
SHEET    3   B 4 VAL A  52  VAL A  57 -1  N  SER A  55   O  HIS A  91           
SHEET    4   B 4 GLU A  63  LEU A  69 -1  O  ALA A  67   N  LEU A  54           
SHEET    1   C 4 GLY A 161  PRO A 163  0                                        
SHEET    2   C 4 ILE A 168  ILE A 170 -1  O  THR A 169   N  VAL A 162           
SHEET    3   C 4 LYS A 209  VAL A 212 -1  O  ILE A 210   N  ILE A 170           
SHEET    4   C 4 ILE A 203  HIS A 206 -1  N  SER A 204   O  THR A 211           
SHEET    1   D 4 VAL B  24  PHE B  28  0                                        
SHEET    2   D 4 VAL B  98  PRO B 104 -1  O  VAL B  98   N  PHE B  28           
SHEET    3   D 4 ARG B  43  LYS B  49 -1  N  PHE B  46   O  LEU B 101           
SHEET    4   D 4 VAL B  74  PHE B  75 -1  O  PHE B  75   N  TYR B  45           
SHEET    1   E 4 THR B  33  PHE B  35  0                                        
SHEET    2   E 4 TYR B  90  ALA B  94 -1  O  ALA B  92   N  ILE B  34           
SHEET    3   E 4 VAL B  52  VAL B  57 -1  N  LYS B  53   O  VAL B  93           
SHEET    4   E 4 GLU B  63  LEU B  69 -1  O  LEU B  69   N  VAL B  52           
SHEET    1   F 4 GLY B 161  PRO B 163  0                                        
SHEET    2   F 4 ILE B 168  ILE B 170 -1  O  THR B 169   N  VAL B 162           
SHEET    3   F 4 LYS B 209  VAL B 212 -1  O  ILE B 210   N  ILE B 170           
SHEET    4   F 4 ILE B 203  HIS B 206 -1  N  SER B 204   O  THR B 211           
CRYST1   67.506   85.624  171.959  90.00  90.00  90.00 C 2 2 21     16          
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      0.014813  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011679  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005815        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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