HEADER    OXIDOREDUCTASE                          01-FEB-05   1YQG              
TITLE     CRYSTAL STRUCTURE OF A PYRROLINE-5-CARBOXYLATE REDUCTASE FROM         
TITLE    2 NEISSERIA MENINGITIDES MC58                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PYRROLINE-5-CARBOXYLATE REDUCTASE;                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NEISSERIA MENINGITIDIS;                         
SOURCE   3 ORGANISM_TAXID: 122586;                                              
SOURCE   4 STRAIN: MC58;                                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PYRROLINE-5-CARBOXYLATE REDUCTASE, STRUCTURAL GENOMICS, PSI, PROTEIN  
KEYWDS   2 STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL GENOMICS, MCSG,  
KEYWDS   3 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.CHANG,A.JOACHIMIAK,H.LI,F.COLLART,MIDWEST CENTER FOR STRUCTURAL     
AUTHOR   2 GENOMICS (MCSG)                                                      
REVDAT   6   16-OCT-24 1YQG    1       REMARK SEQADV LINK                       
REVDAT   5   13-JUL-11 1YQG    1       VERSN                                    
REVDAT   4   24-FEB-09 1YQG    1       VERSN                                    
REVDAT   3   07-MAR-06 1YQG    1       JRNL                                     
REVDAT   2   27-SEP-05 1YQG    1       AUTHOR JRNL                              
REVDAT   1   08-FEB-05 1YQG    0                                                
SPRSDE     08-FEB-05 1YQG      1XC2                                             
JRNL        AUTH   B.NOCEK,C.CHANG,H.LI,L.LEZONDRA,D.HOLZLE,F.COLLART,          
JRNL        AUTH 2 A.JOACHIMIAK                                                 
JRNL        TITL   CRYSTAL STRUCTURES OF DELTA(1)-PYRROLINE-5-CARBOXYLATE       
JRNL        TITL 2 REDUCTASE FROM HUMAN PATHOGENS NEISSERIA MENINGITIDES AND    
JRNL        TITL 3 STREPTOCOCCUS PYOGENES                                       
JRNL        REF    J.MOL.BIOL.                   V. 354    91 2005              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16233902                                                     
JRNL        DOI    10.1016/J.JMB.2005.08.036                                    
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                            
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)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 22303                          
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) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1205                            
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) : 1449                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 88.43                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2580                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 80                           
REMARK   3   BIN FREE R VALUE                    : 0.4000                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1980                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 5                                       
REMARK   3   SOLVENT ATOMS            : 248                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.45                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.03000                                              
REMARK   3    B22 (A**2) : -0.36000                                             
REMARK   3    B33 (A**2) : -0.67000                                             
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): 0.155         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.148         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.104         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.742         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.953                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.935                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2008 ; 0.018 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2703 ; 1.516 ; 1.969       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   262 ; 5.567 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    87 ;37.068 ;23.218       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   355 ;16.056 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    20 ;20.031 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   305 ; 0.109 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1500 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1002 ; 0.241 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1424 ; 0.298 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   214 ; 0.206 ; 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):   121 ; 0.238 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    31 ; 0.337 ; 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):  1326 ; 1.092 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2044 ; 1.584 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   763 ; 3.881 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   659 ; 5.276 ; 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  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 6                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     1        A   106                          
REMARK   3    RESIDUE RANGE :   A   107        A   151                          
REMARK   3    RESIDUE RANGE :   A   152        A   186                          
REMARK   3    RESIDUE RANGE :   A   187        A   211                          
REMARK   3    RESIDUE RANGE :   A   212        A   224                          
REMARK   3    RESIDUE RANGE :   A   225        A   263                          
REMARK   3    ORIGIN FOR THE GROUP (A):  29.2900  31.3830  15.0710              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0465 T22:  -0.0788                                     
REMARK   3      T33:  -0.1388 T12:   0.0213                                     
REMARK   3      T13:  -0.0338 T23:   0.0289                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.8334 L22:   1.4158                                     
REMARK   3      L33:   1.5468 L12:  -1.1992                                     
REMARK   3      L13:  -0.6702 L23:   0.4983                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1052 S12:   0.0914 S13:  -0.0979                       
REMARK   3      S21:  -0.1540 S22:  -0.0472 S23:   0.1431                       
REMARK   3      S31:  -0.1772 S32:  -0.2228 S33:  -0.0579                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1YQG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-FEB-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000031810.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-JUL-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97984, 0.97970                   
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26616                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.610                              
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     (%) : 69.0                               
REMARK 200  DATA REDUNDANCY                : 9.500                              
REMARK 200  R MERGE                    (I) : 0.10200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.6600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.61                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.67                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 0.7                                
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: HKL-3000                                              
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, HEPES, PEG 3350, PH    
REMARK 280  7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
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       44.76300            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.92250            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       44.76300            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       24.92250            
REMARK 290   SMTRY3   4  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 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED      
REMARK 300 BY OPERATION OF 1-X, 1-Y, Z                                          
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: 8790 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21880 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -116.0 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       89.52600            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       49.84500            
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 453  LIES ON A SPECIAL POSITION.                          
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     GLN A 263    CG   CD   OE1  NE2                                  
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   CB   VAL A   149     O    HOH A   526              1.74            
REMARK 500   NE   ARG A   193     O    HOH A   467              1.88            
REMARK 500   CG   MSE A   110     O    HOH A   504              2.01            
REMARK 500   O    HOH A   380     O    HOH A   508              2.03            
REMARK 500   NH2  ARG A   193     O    HOH A   467              2.12            
REMARK 500   O    HOH A   411     O    HOH A   509              2.13            
REMARK 500  SE    MSE A    11     O    HOH A   502              2.16            
REMARK 500   ND2  ASN A   180     O    HOH A   501              2.18            
REMARK 500   O    HOH A   326     O    HOH A   476              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   532     O    HOH A   535     2665     1.88            
REMARK 500   O    HOH A   423     O    HOH A   482     2665     2.07            
REMARK 500   NH1  ARG A   193     O    GLU A   212     2665     2.12            
REMARK 500   O    HOH A   507     O    HOH A   518     3546     2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 108   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A 108   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 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    ILE A 163      -70.36    -97.43                                   
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 SO4 A 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XC2   RELATED DB: PDB                                   
REMARK 900 CORRECT COORDINATES FOR 1XC2                                         
REMARK 900 RELATED ID: APC28591   RELATED DB: TARGETDB                          
DBREF  1YQG A    1   263  UNP    Q9K1N1   Q9K1N1_NEIMB     1    263             
SEQADV 1YQG MSE A    1  UNP  Q9K1N1    MET     1 MODIFIED RESIDUE               
SEQADV 1YQG MSE A   11  UNP  Q9K1N1    MET    11 MODIFIED RESIDUE               
SEQADV 1YQG MSE A   70  UNP  Q9K1N1    MET    70 MODIFIED RESIDUE               
SEQADV 1YQG MSE A  110  UNP  Q9K1N1    MET   110 MODIFIED RESIDUE               
SEQADV 1YQG MSE A  124  UNP  Q9K1N1    MET   124 MODIFIED RESIDUE               
SEQADV 1YQG MSE A  142  UNP  Q9K1N1    MET   142 MODIFIED RESIDUE               
SEQADV 1YQG MSE A  157  UNP  Q9K1N1    MET   157 MODIFIED RESIDUE               
SEQADV 1YQG MSE A  189  UNP  Q9K1N1    MET   189 MODIFIED RESIDUE               
SEQADV 1YQG MSE A  258  UNP  Q9K1N1    MET   258 MODIFIED RESIDUE               
SEQRES   1 A  263  MSE ASN VAL TYR PHE LEU GLY GLY GLY ASN MSE ALA ALA          
SEQRES   2 A  263  ALA VAL ALA GLY GLY LEU VAL LYS GLN GLY GLY TYR ARG          
SEQRES   3 A  263  ILE TYR ILE ALA ASN ARG GLY ALA GLU LYS ARG GLU ARG          
SEQRES   4 A  263  LEU GLU LYS GLU LEU GLY VAL GLU THR SER ALA THR LEU          
SEQRES   5 A  263  PRO GLU LEU HIS SER ASP ASP VAL LEU ILE LEU ALA VAL          
SEQRES   6 A  263  LYS PRO GLN ASP MSE GLU ALA ALA CYS LYS ASN ILE ARG          
SEQRES   7 A  263  THR ASN GLY ALA LEU VAL LEU SER VAL ALA ALA GLY LEU          
SEQRES   8 A  263  SER VAL GLY THR LEU SER ARG TYR LEU GLY GLY THR ARG          
SEQRES   9 A  263  ARG ILE VAL ARG VAL MSE PRO ASN THR PRO GLY LYS ILE          
SEQRES  10 A  263  GLY LEU GLY VAL SER GLY MSE TYR ALA GLU ALA GLU VAL          
SEQRES  11 A  263  SER GLU THR ASP ARG ARG ILE ALA ASP ARG ILE MSE LYS          
SEQRES  12 A  263  SER VAL GLY LEU THR VAL TRP LEU ASP ASP GLU GLU LYS          
SEQRES  13 A  263  MSE HIS GLY ILE THR GLY ILE SER GLY SER GLY PRO ALA          
SEQRES  14 A  263  TYR VAL PHE TYR LEU LEU ASP ALA LEU GLN ASN ALA ALA          
SEQRES  15 A  263  ILE ARG GLN GLY PHE ASP MSE ALA GLU ALA ARG ALA LEU          
SEQRES  16 A  263  SER LEU ALA THR PHE LYS GLY ALA VAL ALA LEU ALA GLU          
SEQRES  17 A  263  GLN THR GLY GLU ASP PHE GLU LYS LEU GLN LYS ASN VAL          
SEQRES  18 A  263  THR SER LYS GLY GLY THR THR HIS GLU ALA VAL GLU ALA          
SEQRES  19 A  263  PHE ARG ARG HIS ARG VAL ALA GLU ALA ILE SER GLU GLY          
SEQRES  20 A  263  VAL CYS ALA CYS VAL ARG ARG SER GLN GLU MSE GLU ARG          
SEQRES  21 A  263  GLN TYR GLN                                                  
MODRES 1YQG MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A   11  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A   70  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A  110  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A  124  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A  142  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A  157  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A  189  MET  SELENOMETHIONINE                                   
MODRES 1YQG MSE A  258  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A  11       8                                                       
HET    MSE  A  70       8                                                       
HET    MSE  A 110       8                                                       
HET    MSE  A 124       8                                                       
HET    MSE  A 142       8                                                       
HET    MSE  A 157       8                                                       
HET    MSE  A 189       8                                                       
HET    MSE  A 258       8                                                       
HET    SO4  A 301       5                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     SO4 SULFATE ION                                                      
FORMUL   1  MSE    9(C5 H11 N O2 SE)                                            
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  HOH   *248(H2 O)                                                    
HELIX    1   1 GLY A    9  GLY A   23  1                                  15    
HELIX    2   2 GLY A   33  LEU A   44  1                                  12    
HELIX    3   3 LYS A   66  LYS A   75  1                                  10    
HELIX    4   4 SER A   92  LEU A  100  1                                   9    
HELIX    5   5 ASN A  112  GLY A  118  5                                   7    
HELIX    6   6 SER A  131  SER A  144  1                                  14    
HELIX    7   7 GLU A  155  SER A  164  1                                  10    
HELIX    8   8 SER A  166  GLN A  185  1                                  20    
HELIX    9   9 ASP A  188  GLY A  211  1                                  24    
HELIX   10  10 ASP A  213  VAL A  221  1                                   9    
HELIX   11  11 GLY A  226  HIS A  238  1                                  13    
HELIX   12  12 ARG A  239  GLN A  261  1                                  23    
SHEET    1   A 8 GLU A  47  SER A  49  0                                        
SHEET    2   A 8 ARG A  26  ALA A  30  1  N  ILE A  29   O  GLU A  47           
SHEET    3   A 8 ASN A   2  LEU A   6  1  N  PHE A   5   O  ALA A  30           
SHEET    4   A 8 VAL A  60  LEU A  63  1  O  ILE A  62   N  TYR A   4           
SHEET    5   A 8 LEU A  83  SER A  86  1  O  LEU A  85   N  LEU A  63           
SHEET    6   A 8 ILE A 106  MSE A 110  1  O  VAL A 109   N  SER A  86           
SHEET    7   A 8 GLY A 120  TYR A 125 -1  O  TYR A 125   N  ARG A 108           
SHEET    8   A 8 GLY A 146  TRP A 150  1  O  VAL A 149   N  MSE A 124           
LINK         C   MSE A   1                 N   ASN A   2     1555   1555  1.33  
LINK         C   ASN A  10                 N   MSE A  11     1555   1555  1.34  
LINK         C   MSE A  11                 N   ALA A  12     1555   1555  1.34  
LINK         C   ASP A  69                 N   MSE A  70     1555   1555  1.34  
LINK         C   MSE A  70                 N   GLU A  71     1555   1555  1.34  
LINK         C   VAL A 109                 N   MSE A 110     1555   1555  1.34  
LINK         C   MSE A 110                 N   PRO A 111     1555   1555  1.34  
LINK         C   GLY A 123                 N   MSE A 124     1555   1555  1.33  
LINK         C   MSE A 124                 N   TYR A 125     1555   1555  1.34  
LINK         C   ILE A 141                 N   MSE A 142     1555   1555  1.33  
LINK         C   MSE A 142                 N   LYS A 143     1555   1555  1.34  
LINK         C   LYS A 156                 N   MSE A 157     1555   1555  1.33  
LINK         C   MSE A 157                 N   HIS A 158     1555   1555  1.32  
LINK         C   ASP A 188                 N   MSE A 189     1555   1555  1.32  
LINK         C   MSE A 189                 N   ALA A 190     1555   1555  1.33  
LINK         C   GLU A 257                 N   MSE A 258     1555   1555  1.33  
LINK         C   MSE A 258                 N   GLU A 259     1555   1555  1.33  
SITE     1 AC1  5 ASN A  31  ARG A  32  GLY A  33  LYS A  36                    
SITE     2 AC1  5 HOH A 516                                                     
CRYST1   89.526   49.845   65.534  90.00  90.00  90.00 P 21 21 2     4          
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      0.011170  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.020062  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015259        0.00000                         
HETATM    1  N   MSE A   1      18.444  38.153  36.211  1.00 40.82           N  
HETATM    2  CA  MSE A   1      18.038  38.502  34.789  1.00 41.06           C  
HETATM    3  C   MSE A   1      17.663  37.241  33.971  1.00 36.86           C  
HETATM    4  O   MSE A   1      18.437  36.296  33.852  1.00 35.08           O  
HETATM    5  CB  MSE A   1      19.096  39.371  34.081  1.00 40.47           C  
HETATM    6  CG  MSE A   1      18.506  40.255  32.918  1.00 41.25           C  
HETATM    7 SE   MSE A   1      19.740  41.112  31.601  1.00 54.20          SE  
HETATM    8  CE  MSE A   1      20.510  39.449  31.228  1.00 25.50           C