PDB Short entry for 2CRX
HEADER    HYDROLASE, LIGASE/DNA                   19-JUN-98   2CRX              
TITLE     STRUCTURE OF THE HOLLIDAY JUNCTION INTERMEDIATE IN CRE-LOXP SITE-     
TITLE    2 SPECIFIC RECOMBINATION                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA 35-MER;                                                
COMPND   3 CHAIN: C, D;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: PROTEIN (CRE RECOMBINASE);                                 
COMPND   7 CHAIN: A, B;                                                         
COMPND   8 SYNONYM: CRE-HJ2, RGBPP1 RECOMBINASE;                                
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE P1;                        
SOURCE   5 ORGANISM_TAXID: 10678;                                               
SOURCE   6 ATCC: 25404-B1;                                                      
SOURCE   7 COLLECTION: 25404-B1;                                                
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET21A                                    
KEYWDS    CRE RECOMBINASE, HOLLIDAY JUNCTION, RECOMBINATION, RECOMBINASE-DNA    
KEYWDS   2 COMPLEX, HYDROLASE, LIGASE-DNA COMPLEX                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.N.GOPAUL,F.GUO,G.D.VANDUYNE                                         
REVDAT   3   23-AUG-23 2CRX    1       REMARK                                   
REVDAT   2   24-FEB-09 2CRX    1       VERSN                                    
REVDAT   1   14-DEC-99 2CRX    0                                                
JRNL        AUTH   D.N.GOPAUL,F.GUO,G.D.VAN DUYNE                               
JRNL        TITL   STRUCTURE OF THE HOLLIDAY JUNCTION INTERMEDIATE IN CRE-LOXP  
JRNL        TITL 2 SITE-SPECIFIC RECOMBINATION.                                 
JRNL        REF    EMBO J.                       V.  17  4175 1998              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   9670032                                                      
JRNL        DOI    10.1093/EMBOJ/17.14.4175                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   F.GUO,D.N.GOPAUL,G.D.VAN DUYNE                               
REMARK   1  TITL   STRUCTURE OF CRE RECOMBINASE COMPLEXED WITH DNA IN A         
REMARK   1  TITL 2 SITE-SPECIFIC RECOMBINATION SYNAPSE                          
REMARK   1  REF    NATURE                        V. 389    40 1997              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.30                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1000000.000                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 36470                          
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 SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1940                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.017                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.61                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 74.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3426                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3440                       
REMARK   3   BIN FREE R VALUE                    : 0.3890                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 188                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4873                                    
REMARK   3   NUCLEIC ACID ATOMS       : 1405                                    
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 361                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 65.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 58.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.950                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 4.400 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 6.500 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 6.600 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 9.000 ; 2.500                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2CRX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-DEC-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000177950.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAY-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.90                               
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 38807                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 27.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 2.830                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.57                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.24800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER           
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: 1CRX                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM ACETATE BUFFER PH 5.0, 25% MPD,     
REMARK 280  200MM NACL, 20MM CACL2, VAPOR DIFFUSION, HANGING DROP               
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       90.00000            
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       90.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       53.45000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       61.25000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       53.45000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       61.25000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       90.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       53.45000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       61.25000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       90.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       53.45000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       61.25000            
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: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, 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 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      122.50000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      180.00000            
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      DT D     1                                                      
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     ASN A     3                                                      
REMARK 465     LEU A     4                                                      
REMARK 465     LEU A     5                                                      
REMARK 465     THR A     6                                                      
REMARK 465     VAL A     7                                                      
REMARK 465     HIS A     8                                                      
REMARK 465     GLN A     9                                                      
REMARK 465     ASN A    10                                                      
REMARK 465     LEU A    11                                                      
REMARK 465     PRO A    12                                                      
REMARK 465     ALA A    13                                                      
REMARK 465     LEU A    14                                                      
REMARK 465     PRO A    15                                                      
REMARK 465     VAL A    16                                                      
REMARK 465     ASP A    17                                                      
REMARK 465     ALA A    18                                                      
REMARK 465     ARG A   199                                                      
REMARK 465     THR A   200                                                      
REMARK 465     LYS A   201                                                      
REMARK 465     THR A   202                                                      
REMARK 465     LEU A   203                                                      
REMARK 465     VAL A   204                                                      
REMARK 465     SER A   205                                                      
REMARK 465     THR A   206                                                      
REMARK 465     ALA A   207                                                      
REMARK 465     GLY A   208                                                      
REMARK 465     VAL A   209                                                      
REMARK 465     LYS A   276                                                      
REMARK 465     ASP A   277                                                      
REMARK 465     ASP A   278                                                      
REMARK 465     SER A   279                                                      
REMARK 465     GLY A   280                                                      
REMARK 465     GLN A   281                                                      
REMARK 465     ARG A   282                                                      
REMARK 465     GLY A   342                                                      
REMARK 465     ASP A   343                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     ASN B     3                                                      
REMARK 465     LEU B     4                                                      
REMARK 465     LEU B     5                                                      
REMARK 465     THR B     6                                                      
REMARK 465     VAL B     7                                                      
REMARK 465     HIS B     8                                                      
REMARK 465     GLN B     9                                                      
REMARK 465     ASN B    10                                                      
REMARK 465     LEU B    11                                                      
REMARK 465     PRO B    12                                                      
REMARK 465     ALA B    13                                                      
REMARK 465     LEU B    14                                                      
REMARK 465     PRO B    15                                                      
REMARK 465     VAL B    16                                                      
REMARK 465     ASP B    17                                                      
REMARK 465     ALA B    18                                                      
REMARK 465     ARG B   199                                                      
REMARK 465     THR B   200                                                      
REMARK 465     LYS B   201                                                      
REMARK 465     THR B   202                                                      
REMARK 465     LEU B   203                                                      
REMARK 465     VAL B   204                                                      
REMARK 465     SER B   205                                                      
REMARK 465     THR B   206                                                      
REMARK 465     ASN B   327                                                      
REMARK 465     LEU B   328                                                      
REMARK 465     ASP B   329                                                      
REMARK 465     SER B   330                                                      
REMARK 465     GLU B   331                                                      
REMARK 465     THR B   332                                                      
REMARK 465     GLY B   342                                                      
REMARK 465     ASP B   343                                                      
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      DC C  16    P    OP1  OP2                                       
REMARK 470      DC D  16    P    OP1  OP2                                       
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   O    HOH A   428     O    HOH A   446              1.94            
REMARK 500   O4'   DC D    16     O    HOH D    70              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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     DA D  17   O3'    DA D  17   C3'    -0.040                       
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     DA D  17   C5' -  C4' -  C3' ANGL. DEV. = -12.7 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    ASP A  33       43.94   -105.38                                   
REMARK 500    ARG A 101       34.50    -85.08                                   
REMARK 500    ARG A 121      -74.96    -63.11                                   
REMARK 500    ASN A 151       32.25    -97.90                                   
REMARK 500    THR A 188      -30.84   -151.55                                   
REMARK 500    ASP A 189       89.60   -156.50                                   
REMARK 500    ARG A 192      141.83    -34.01                                   
REMARK 500    VAL A 227       16.08    -67.87                                   
REMARK 500    LYS A 244       -9.02    -55.69                                   
REMARK 500    ALA A 249       75.49   -114.42                                   
REMARK 500    THR A 253      -60.81    -91.21                                   
REMARK 500    ALA A 285     -157.13   -110.17                                   
REMARK 500    ALA A 312      -80.24    -39.58                                   
REMARK 500    VAL A 318      -19.67    -36.95                                   
REMARK 500    ASN A 327       22.36    -70.88                                   
REMARK 500    GLU A 340       42.35    -91.30                                   
REMARK 500    SER B  20      -81.84   -137.64                                   
REMARK 500    ASP B  33       45.08    -96.77                                   
REMARK 500    ARG B 101      -13.53    -49.44                                   
REMARK 500    ASP B 233       95.11   -163.48                                   
REMARK 500    PRO B 234      -18.28    -43.40                                   
REMARK 500    ASP B 278       30.54    -65.66                                   
REMARK 500    SER B 290      -56.46    -26.31                                   
REMARK 500    ALA B 300      -70.41    -67.78                                   
REMARK 500    ALA B 334      -83.86    -26.41                                   
REMARK 500    GLU B 340       23.75    -65.92                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DA C  24         0.07    SIDE CHAIN                              
REMARK 500     DA D  24         0.05    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CIA                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: RECOMBINASE ACTIVE SITE.                           
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CIB                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: RECOMBINASE ACTIVE SITE.                           
DBREF  2CRX A    1   343  UNP    P06956   RECR_BPP1        1    343             
DBREF  2CRX B    1   343  UNP    P06956   RECR_BPP1        1    343             
DBREF  2CRX C    1    35  PDB    2CRX     2CRX             1     35             
DBREF  2CRX D    1    35  PDB    2CRX     2CRX             1     35             
SEQRES   1 C   35   DT  DA  DT  DA  DA  DC  DT  DT  DC  DG  DT  DA  DT          
SEQRES   2 C   35   DA  DG  DC  DA  DT  DA  DT  DG  DC  DT  DA  DT  DA          
SEQRES   3 C   35   DC  DG  DA  DA  DG  DT  DT  DA  DT                          
SEQRES   1 D   35   DT  DA  DT  DA  DA  DC  DT  DT  DC  DG  DT  DA  DT          
SEQRES   2 D   35   DA  DG  DC  DA  DT  DA  DT  DG  DC  DT  DA  DT  DA          
SEQRES   3 D   35   DC  DG  DA  DA  DG  DT  DT  DA  DT                          
SEQRES   1 A  343  MET SER ASN LEU LEU THR VAL HIS GLN ASN LEU PRO ALA          
SEQRES   2 A  343  LEU PRO VAL ASP ALA THR SER ASP GLU VAL ARG LYS ASN          
SEQRES   3 A  343  LEU MET ASP MET PHE ARG ASP ARG GLN ALA PHE SER GLU          
SEQRES   4 A  343  HIS THR TRP LYS MET LEU LEU SER VAL CYS ARG SER TRP          
SEQRES   5 A  343  ALA ALA TRP CYS LYS LEU ASN ASN ARG LYS TRP PHE PRO          
SEQRES   6 A  343  ALA GLU PRO GLU ASP VAL ARG ASP TYR LEU LEU TYR LEU          
SEQRES   7 A  343  GLN ALA ARG GLY LEU ALA VAL LYS THR ILE GLN GLN HIS          
SEQRES   8 A  343  LEU GLY GLN LEU ASN MET LEU HIS ARG ARG SER GLY LEU          
SEQRES   9 A  343  PRO ARG PRO SER ASP SER ASN ALA VAL SER LEU VAL MET          
SEQRES  10 A  343  ARG ARG ILE ARG LYS GLU ASN VAL ASP ALA GLY GLU ARG          
SEQRES  11 A  343  ALA LYS GLN ALA LEU ALA PHE GLU ARG THR ASP PHE ASP          
SEQRES  12 A  343  GLN VAL ARG SER LEU MET GLU ASN SER ASP ARG CYS GLN          
SEQRES  13 A  343  ASP ILE ARG ASN LEU ALA PHE LEU GLY ILE ALA TYR ASN          
SEQRES  14 A  343  THR LEU LEU ARG ILE ALA GLU ILE ALA ARG ILE ARG VAL          
SEQRES  15 A  343  LYS ASP ILE SER ARG THR ASP GLY GLY ARG MET LEU ILE          
SEQRES  16 A  343  HIS ILE GLY ARG THR LYS THR LEU VAL SER THR ALA GLY          
SEQRES  17 A  343  VAL GLU LYS ALA LEU SER LEU GLY VAL THR LYS LEU VAL          
SEQRES  18 A  343  GLU ARG TRP ILE SER VAL SER GLY VAL ALA ASP ASP PRO          
SEQRES  19 A  343  ASN ASN TYR LEU PHE CYS ARG VAL ARG LYS ASN GLY VAL          
SEQRES  20 A  343  ALA ALA PRO SER ALA THR SER GLN LEU SER THR ARG ALA          
SEQRES  21 A  343  LEU GLU GLY ILE PHE GLU ALA THR HIS ARG LEU ILE TYR          
SEQRES  22 A  343  GLY ALA LYS ASP ASP SER GLY GLN ARG TYR LEU ALA TRP          
SEQRES  23 A  343  SER GLY HIS SER ALA ARG VAL GLY ALA ALA ARG ASP MET          
SEQRES  24 A  343  ALA ARG ALA GLY VAL SER ILE PRO GLU ILE MET GLN ALA          
SEQRES  25 A  343  GLY GLY TRP THR ASN VAL ASN ILE VAL MET ASN TYR ILE          
SEQRES  26 A  343  ARG ASN LEU ASP SER GLU THR GLY ALA MET VAL ARG LEU          
SEQRES  27 A  343  LEU GLU ASP GLY ASP                                          
SEQRES   1 B  343  MET SER ASN LEU LEU THR VAL HIS GLN ASN LEU PRO ALA          
SEQRES   2 B  343  LEU PRO VAL ASP ALA THR SER ASP GLU VAL ARG LYS ASN          
SEQRES   3 B  343  LEU MET ASP MET PHE ARG ASP ARG GLN ALA PHE SER GLU          
SEQRES   4 B  343  HIS THR TRP LYS MET LEU LEU SER VAL CYS ARG SER TRP          
SEQRES   5 B  343  ALA ALA TRP CYS LYS LEU ASN ASN ARG LYS TRP PHE PRO          
SEQRES   6 B  343  ALA GLU PRO GLU ASP VAL ARG ASP TYR LEU LEU TYR LEU          
SEQRES   7 B  343  GLN ALA ARG GLY LEU ALA VAL LYS THR ILE GLN GLN HIS          
SEQRES   8 B  343  LEU GLY GLN LEU ASN MET LEU HIS ARG ARG SER GLY LEU          
SEQRES   9 B  343  PRO ARG PRO SER ASP SER ASN ALA VAL SER LEU VAL MET          
SEQRES  10 B  343  ARG ARG ILE ARG LYS GLU ASN VAL ASP ALA GLY GLU ARG          
SEQRES  11 B  343  ALA LYS GLN ALA LEU ALA PHE GLU ARG THR ASP PHE ASP          
SEQRES  12 B  343  GLN VAL ARG SER LEU MET GLU ASN SER ASP ARG CYS GLN          
SEQRES  13 B  343  ASP ILE ARG ASN LEU ALA PHE LEU GLY ILE ALA TYR ASN          
SEQRES  14 B  343  THR LEU LEU ARG ILE ALA GLU ILE ALA ARG ILE ARG VAL          
SEQRES  15 B  343  LYS ASP ILE SER ARG THR ASP GLY GLY ARG MET LEU ILE          
SEQRES  16 B  343  HIS ILE GLY ARG THR LYS THR LEU VAL SER THR ALA GLY          
SEQRES  17 B  343  VAL GLU LYS ALA LEU SER LEU GLY VAL THR LYS LEU VAL          
SEQRES  18 B  343  GLU ARG TRP ILE SER VAL SER GLY VAL ALA ASP ASP PRO          
SEQRES  19 B  343  ASN ASN TYR LEU PHE CYS ARG VAL ARG LYS ASN GLY VAL          
SEQRES  20 B  343  ALA ALA PRO SER ALA THR SER GLN LEU SER THR ARG ALA          
SEQRES  21 B  343  LEU GLU GLY ILE PHE GLU ALA THR HIS ARG LEU ILE TYR          
SEQRES  22 B  343  GLY ALA LYS ASP ASP SER GLY GLN ARG TYR LEU ALA TRP          
SEQRES  23 B  343  SER GLY HIS SER ALA ARG VAL GLY ALA ALA ARG ASP MET          
SEQRES  24 B  343  ALA ARG ALA GLY VAL SER ILE PRO GLU ILE MET GLN ALA          
SEQRES  25 B  343  GLY GLY TRP THR ASN VAL ASN ILE VAL MET ASN TYR ILE          
SEQRES  26 B  343  ARG ASN LEU ASP SER GLU THR GLY ALA MET VAL ARG LEU          
SEQRES  27 B  343  LEU GLU ASP GLY ASP                                          
FORMUL   5  HOH   *361(H2 O)                                                    
HELIX    1   1 SER A   20  ARG A   32  1                                  13    
HELIX    2   2 ARG A   34  ALA A   36  5                                   3    
HELIX    3   3 GLU A   39  LEU A   58  1                                  20    
HELIX    4   4 PRO A   68  ARG A   81  1                                  14    
HELIX    5   5 VAL A   85  ARG A  100  1                                  16    
HELIX    6   6 PRO A  107  ASP A  109  5                                   3    
HELIX    7   7 ASN A  111  GLY A  128  1                                  18    
HELIX    8   8 ARG A  139  GLU A  150  1                                  12    
HELIX    9   9 CYS A  155  THR A  170  1                                  16    
HELIX   10  10 ILE A  174  ARG A  179  1                                   6    
HELIX   11  11 LEU A  215  SER A  226  1                                  12    
HELIX   12  12 THR A  258  TYR A  273  1                                  16    
HELIX   13  13 SER A  290  ARG A  301  1                                  12    
HELIX   14  14 ILE A  306  GLY A  313  5                                   8    
HELIX   15  15 VAL A  318  ILE A  325  1                                   8    
HELIX   16  16 ALA A  334  LEU A  339  1                                   6    
HELIX   17  17 ASP B   21  ARG B   32  1                                  12    
HELIX   18  18 ARG B   34  ALA B   36  5                                   3    
HELIX   19  19 GLU B   39  ASN B   59  1                                  21    
HELIX   20  20 PRO B   68  ALA B   80  1                                  13    
HELIX   21  21 VAL B   85  SER B  102  1                                  18    
HELIX   22  22 PRO B  107  ASP B  109  5                                   3    
HELIX   23  23 ASN B  111  ASP B  126  1                                  16    
HELIX   24  24 ARG B  139  ASN B  151  1                                  13    
HELIX   25  25 CYS B  155  THR B  170  1                                  16    
HELIX   26  26 ILE B  174  ARG B  179  1                                   6    
HELIX   27  27 VAL B  182  ASP B  184  5                                   3    
HELIX   28  28 LEU B  215  SER B  228  1                                  14    
HELIX   29  29 THR B  258  TYR B  273  1                                  16    
HELIX   30  30 SER B  290  ARG B  301  1                                  12    
HELIX   31  31 ILE B  306  GLY B  313  1                                   8    
HELIX   32  32 VAL B  318  ASN B  323  1                                   6    
HELIX   33  33 ALA B  334  LEU B  338  1                                   5    
SHEET    1   A 2 ARG A 241  ARG A 243  0                                        
SHEET    2   A 2 VAL A 247  ALA A 249 -1  N  ALA A 249   O  ARG A 241           
SHEET    1   B 3 ILE B 185  ARG B 187  0                                        
SHEET    2   B 3 MET B 193  ILE B 197 -1  N  LEU B 194   O  SER B 186           
SHEET    3   B 3 VAL B 209  ALA B 212 -1  N  LYS B 211   O  ILE B 195           
SHEET    1   C 2 ILE A 185  ASP A 189  0                                        
SHEET    2   C 2 ARG A 192  ILE A 195 -1  N  LEU A 194   O  SER A 186           
CISPEP   1 PHE A   64    PRO A   65          0         0.42                     
CISPEP   2 PHE B   64    PRO B   65          0        -0.56                     
SITE     1 CIA  5 ARG A 173  HIS A 289  ARG A 292  TRP A 315                    
SITE     2 CIA  5 TYR A 324                                                     
SITE     1 CIB  5 ARG B 173  HIS B 289  ARG B 292  TRP B 315                    
SITE     2 CIB  5 TYR B 324                                                     
CRYST1  106.900  122.500  180.000  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      0.009355  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008163  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005556        0.00000