PDB Short entry for 4AQU
HEADER    HYDROLASE                               19-APR-12   4AQU              
TITLE     CRYSTAL STRUCTURE OF I-CREI COMPLEXED WITH ITS TARGET METHYLATED AT   
TITLE    2 POSITION PLUS 2 (IN THE B STRAND) IN THE PRESENCE OF CALCIUM         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA ENDONUCLEASE I-CREI;                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: RESIDUES 2-153;                                            
COMPND   5 SYNONYM: 23S RRNA INTRON PROTEIN;                                    
COMPND   6 EC: 3.1.-.-;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: 5'-D(*DTP*CP*AP*AP*AP*AP*CP*GP*TP*CP*GP*TP*GP*DAP          
COMPND  10 *GP*AP*CP*AP*GP*TP*TP*TP*GP*G)-3';                                   
COMPND  11 CHAIN: C;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: 5'-D(*DCP*CP*AP*AP*AP*CP*TP*GP*TP*CP*TP*CP*AP*5CMP         
COMPND  15 *GP*AP*CP*GP*TP*TP*TP*TP*GP*A)-3';                                   
COMPND  16 CHAIN: D;                                                            
COMPND  17 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CHLAMYDOMONAS REINHARDTII;                      
SOURCE   3 ORGANISM_TAXID: 3055;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   7 EXPRESSION_SYSTEM_VECTOR: PET24D;                                    
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: CDFDUET1;                                 
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  12 ORGANISM_TAXID: 32630;                                               
SOURCE  13 MOL_ID: 3;                                                           
SOURCE  14 SYNTHETIC: YES;                                                      
SOURCE  15 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  16 ORGANISM_TAXID: 32630                                                
KEYWDS    HYDROLASE, GENE TARGETING, PROTEIN-DNA INTERACTION, HOMING            
KEYWDS   2 ENDONUCLEASES                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.VALTON,F.DABOUSSI,S.LEDUC,P.REDONDO,R.MACMASTER,R.MOLINA,G.MONTOYA, 
AUTHOR   2 P.DUCHATEAU                                                          
REVDAT   3   20-DEC-23 4AQU    1       REMARK LINK                              
REVDAT   2   12-SEP-12 4AQU    1       JRNL                                     
REVDAT   1   04-JUL-12 4AQU    0                                                
JRNL        AUTH   J.VALTON,F.DABOUSSI,S.LEDUC,R.MOLINA,P.REDONDO,R.MACMASTER,  
JRNL        AUTH 2 G.MONTOYA,P.DUCHATEAU                                        
JRNL        TITL   5'-CYTOSINE-PHOSPHOGUANINE (CPG) METHYLATION IMPACTS THE     
JRNL        TITL 2 ACTIVITY OF NATURAL AND ENGINEERED MEGANUCLEASES.            
JRNL        REF    J.BIOL.CHEM.                  V. 287 30139 2012              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   22740697                                                     
JRNL        DOI    10.1074/JBC.M112.379966                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.80                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 25711                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.200                           
REMARK   3   R VALUE            (WORKING SET) : 0.196                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1995                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 44.8095 -  5.5402    1.00     1845   155  0.1766 0.1921        
REMARK   3     2  5.5402 -  4.3986    1.00     1741   147  0.1329 0.1677        
REMARK   3     3  4.3986 -  3.8429    1.00     1705   144  0.1488 0.2027        
REMARK   3     4  3.8429 -  3.4917    1.00     1698   143  0.1900 0.2515        
REMARK   3     5  3.4917 -  3.2415    1.00     1693   142  0.1881 0.2509        
REMARK   3     6  3.2415 -  3.0505    1.00     1696   143  0.2023 0.2672        
REMARK   3     7  3.0505 -  2.8977    1.00     1694   142  0.2135 0.2526        
REMARK   3     8  2.8977 -  2.7716    1.00     1677   142  0.2284 0.3138        
REMARK   3     9  2.7716 -  2.6649    1.00     1653   138  0.2443 0.3361        
REMARK   3    10  2.6649 -  2.5730    1.00     1679   142  0.2462 0.3203        
REMARK   3    11  2.5730 -  2.4925    1.00     1663   138  0.2799 0.3615        
REMARK   3    12  2.4925 -  2.4213    1.00     1667   141  0.3074 0.3819        
REMARK   3    13  2.4213 -  2.3575    0.99     1637   138  0.3417 0.4141        
REMARK   3    14  2.3575 -  2.3000    0.99     1668   140  0.3739 0.4124        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.20                                          
REMARK   3   SHRINKAGE RADIUS   : 0.95                                          
REMARK   3   K_SOL              : 0.34                                          
REMARK   3   B_SOL              : 31.78                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.920            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.190           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 43.06                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 5.86                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.14440                                             
REMARK   3    B22 (A**2) : 4.26540                                              
REMARK   3    B33 (A**2) : -2.12100                                             
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.010           3634                                  
REMARK   3   ANGLE     :  1.227           5132                                  
REMARK   3   CHIRALITY :  0.068            579                                  
REMARK   3   PLANARITY :  0.004            476                                  
REMARK   3   DIHEDRAL  : 22.911           1424                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4AQU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-APR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1290052137.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-FEB-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25711                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.800                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 5.400                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.37000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1G9Y                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 2 21                        
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,-Z+1/2                                         
REMARK 290       4555   -X+1/2,-Y,Z+1/2                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -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       35.79000            
REMARK 290   SMTRY2   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       86.16550            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       35.79000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       86.16550            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 12600 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 16890 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -77.8 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480      DT C  401   C4'                                                 
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   OP2   DG D   515     O    HOH A  2003              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     DT C 412   C5     DT C 412   C7      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 C 403   O4' -  C1' -  N9  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DT C 412   C4  -  C5  -  C7  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DT C 412   C6  -  C5  -  C7  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DG C 413   O4' -  C1' -  N9  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DA C 416   O4' -  C1' -  N9  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DG C 423   C3' -  C2' -  C1' ANGL. DEV. =  -5.6 DEGREES          
REMARK 500     DG C 423   O4' -  C1' -  N9  ANGL. DEV. =   4.1 DEGREES          
REMARK 500     DC D 501   O4' -  C1' -  N1  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DC D 502   O4' -  C1' -  N1  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DT D 509   C3' -  C2' -  C1' ANGL. DEV. =  -5.7 DEGREES          
REMARK 500     DG D 515   O4' -  C1' -  N9  ANGL. DEV. =  -4.3 DEGREES          
REMARK 500     DA D 516   O4' -  C1' -  N9  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DT D 521   O4' -  C1' -  N1  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DT D 522   O4' -  C1' -  N1  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500     DA D 524   O4' -  C1' -  N9  ANGL. DEV. =   3.2 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    ASN A  30      110.60   -162.56                                   
REMARK 500    LYS A 139      -14.17   -140.93                                   
REMARK 500    LEU A 152       34.61    -66.03                                   
REMARK 500    ASN B 230      107.86   -160.27                                   
REMARK 500    LYS B 296      -39.17   -132.21                                   
REMARK 500    SER B 345        7.72    -69.68                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A1156  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY A  19   O                                                      
REMARK 620 2 HOH A2001   O    92.5                                              
REMARK 620 3 HOH A2002   O    94.1  69.7                                        
REMARK 620 4 ASP B 220   OD2  91.7  80.7 150.0                                  
REMARK 620 5 ASP B 220   OD1  82.9 132.0 158.1  51.9                            
REMARK 620 6  DA C 414   OP1 170.1  85.1  94.1  78.4  91.5                      
REMARK 620 7  DG D 515   OP2  80.3 147.0  78.7 131.3  79.4 106.9                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A1154  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  20   OD1                                                    
REMARK 620 2 ASP A  20   OD2  52.3                                              
REMARK 620 3 HOH A2005   O   129.0  76.8                                        
REMARK 620 4 HOH A2052   O   156.1 151.6  74.8                                  
REMARK 620 5 GLY B 219   O    85.0  84.4  88.3  95.2                            
REMARK 620 6  DG C 415   OP2  76.8 128.5 152.5  79.5  84.4                      
REMARK 620 7 5CM D 514   OP1  95.5  89.0  84.6  87.8 171.3 104.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1154                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 1155                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1156                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 1354                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1AF5   RELATED DB: PDB                                   
REMARK 900 GROUP I MOBILE INTRON ENDONUCLEASE                                   
REMARK 900 RELATED ID: 1BP7   RELATED DB: PDB                                   
REMARK 900 GROUP I MOBILE INTRON ENDONUCLEASE I-CREI COMPLEXED WITH HOMING      
REMARK 900 SITE DEOXYRIBONUCLEIC ACID                                           
REMARK 900 RELATED ID: 1G9Y   RELATED DB: PDB                                   
REMARK 900 HOMING ENDONUCLEASE I-CREI / DNA SUBSTRATE COMPLEX WITHCALCIUM       
REMARK 900 RELATED ID: 1G9Z   RELATED DB: PDB                                   
REMARK 900 LAGLIDADG HOMING ENDONUCLEASE I-CREI / DNA PRODUCT COMPLEXWITH       
REMARK 900 MAGNESIUM                                                            
REMARK 900 RELATED ID: 1MOW   RELATED DB: PDB                                   
REMARK 900 E-DREI                                                               
REMARK 900 RELATED ID: 1N3E   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF I-CREI BOUND TO A PALINDROMIC DNASEQUENCE I     
REMARK 900 (PALINDROME OF LEFT SIDE OF WILDTYPE DNA TARGETSEQUENCE)             
REMARK 900 RELATED ID: 1N3F   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF I-CREI BOUND TO A PALINDROMIC DNASEQUENCE II    
REMARK 900 (PALINDROME OF RIGHT SIDE OF WILDTYPE DNATARGET SEQUENCE)            
REMARK 900 RELATED ID: 1T9I   RELATED DB: PDB                                   
REMARK 900 I-CREI(D20N)/DNA COMPLEX                                             
REMARK 900 RELATED ID: 1T9J   RELATED DB: PDB                                   
REMARK 900 I-CREI(Q47E)/DNA COMPLEX                                             
REMARK 900 RELATED ID: 1U0C   RELATED DB: PDB                                   
REMARK 900 Y33C MUTATANT OF HOMING ENDONUCLEASE I-CREI                          
REMARK 900 RELATED ID: 1U0D   RELATED DB: PDB                                   
REMARK 900 Y33H MUTATANT OF HOMING ENDONUCLEASE I-CREI                          
REMARK 900 RELATED ID: 2VBJ   RELATED DB: PDB                                   
REMARK 900 MOLECULAR BASIS OF HUMAN XPC GENE RECOGNITION AND CLEAVAGE BY        
REMARK 900 ENGINEERED HOMING ENDONUCLEASE HETERODIMERS                          
REMARK 900 RELATED ID: 2VBL   RELATED DB: PDB                                   
REMARK 900 MOLECULAR BASIS OF HUMAN XPC GENE RECOGNITION AND CLEAVAGE BY        
REMARK 900 ENGINEERED HOMING ENDONUCLEASE HETERODIMERS                          
REMARK 900 RELATED ID: 2VBN   RELATED DB: PDB                                   
REMARK 900 MOLECULAR BASIS OF HUMAN XPC GENE RECOGNITION AND CLEAVAGE BY        
REMARK 900 ENGINEERED HOMING ENDONUCLEASE HETERODIMERS                          
REMARK 900 RELATED ID: 2VBO   RELATED DB: PDB                                   
REMARK 900 MOLECULAR BASIS OF HUMAN XPC GENE RECOGNITION AND CLEAVAGE BY        
REMARK 900 ENGINEERED HOMING ENDONUCLEASE HETERODIMERS                          
REMARK 900 RELATED ID: 4AAB   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MUTANT D75N I-CREI IN COMPLEX WITH ITS      
REMARK 900 WILD-TYPE TARGET (THE FOUR CENTRAL BASES, 2NN REGION, ARE COMPOSED   
REMARK 900 BY GTAC FROM 5' TO 3')                                               
REMARK 900 RELATED ID: 4AAD   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MUTANT D75N I-CREI IN COMPLEX WITH ITS      
REMARK 900 WILD-TYPE TARGET IN ABSENCE OF METAL IONS AT THE ACTIVE SITE (THE    
REMARK 900 FOUR CENTRAL BASES, 2NN REGION, ARE COMPOSED BY GTAC FROM 5' TO 3')  
REMARK 900 RELATED ID: 4AAE   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MUTANT D75N I-CREI IN COMPLEX WITH AN       
REMARK 900 ALTERED TARGET (THE FOUR CENTRAL BASES , 2NN REGION, ARE COMPOSED    
REMARK 900 BY AGCG FROM 5' TO 3')                                               
REMARK 900 RELATED ID: 4AAF   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MUTANT D75N I-CREI IN COMPLEX WITH AN       
REMARK 900 ALTERED TARGET (THE FOUR CENTRAL BASES , 2NN REGION, ARE COMPOSED    
REMARK 900 BY TGCA FROM 5' TO 3')                                               
REMARK 900 RELATED ID: 4AAG   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MUTANT D75N I-CREI IN COMPLEX WITH ITS      
REMARK 900 WILD-TYPE TARGET IN PRESENCE OF CA AT THE ACTIVE SITE (THE FOUR      
REMARK 900 CENTRAL BASES, 2NN REGION, ARE COMPOSED BY GTAC FROM 5' TO 3')       
DBREF  4AQU A    2   153  UNP    P05725   DNE1_CHLRE       2    153             
DBREF  4AQU B  202   353  UNP    P05725   DNE1_CHLRE       2    153             
DBREF  4AQU C  401   424  PDB    4AQU     4AQU           401    424             
DBREF  4AQU D  501   524  PDB    4AQU     4AQU           501    524             
SEQRES   1 A  152  ASN THR LYS TYR ASN LYS GLU PHE LEU LEU TYR LEU ALA          
SEQRES   2 A  152  GLY PHE VAL ASP GLY ASP GLY SER ILE ILE ALA GLN ILE          
SEQRES   3 A  152  LYS PRO ASN GLN SER TYR LYS PHE LYS HIS GLN LEU SER          
SEQRES   4 A  152  LEU THR PHE GLN VAL THR GLN LYS THR GLN ARG ARG TRP          
SEQRES   5 A  152  PHE LEU ASP LYS LEU VAL ASP GLU ILE GLY VAL GLY TYR          
SEQRES   6 A  152  VAL ARG ASP ARG GLY SER VAL SER ASP TYR ILE LEU SER          
SEQRES   7 A  152  GLU ILE LYS PRO LEU HIS ASN PHE LEU THR GLN LEU GLN          
SEQRES   8 A  152  PRO PHE LEU LYS LEU LYS GLN LYS GLN ALA ASN LEU VAL          
SEQRES   9 A  152  LEU LYS ILE ILE GLU GLN LEU PRO SER ALA LYS GLU SER          
SEQRES  10 A  152  PRO ASP LYS PHE LEU GLU VAL CYS THR TRP VAL ASP GLN          
SEQRES  11 A  152  ILE ALA ALA LEU ASN ASP SER LYS THR ARG LYS THR THR          
SEQRES  12 A  152  SER GLU THR VAL ARG ALA VAL LEU ASP                          
SEQRES   1 B  152  ASN THR LYS TYR ASN LYS GLU PHE LEU LEU TYR LEU ALA          
SEQRES   2 B  152  GLY PHE VAL ASP GLY ASP GLY SER ILE ILE ALA GLN ILE          
SEQRES   3 B  152  LYS PRO ASN GLN SER TYR LYS PHE LYS HIS GLN LEU SER          
SEQRES   4 B  152  LEU THR PHE GLN VAL THR GLN LYS THR GLN ARG ARG TRP          
SEQRES   5 B  152  PHE LEU ASP LYS LEU VAL ASP GLU ILE GLY VAL GLY TYR          
SEQRES   6 B  152  VAL ARG ASP ARG GLY SER VAL SER ASP TYR ILE LEU SER          
SEQRES   7 B  152  GLU ILE LYS PRO LEU HIS ASN PHE LEU THR GLN LEU GLN          
SEQRES   8 B  152  PRO PHE LEU LYS LEU LYS GLN LYS GLN ALA ASN LEU VAL          
SEQRES   9 B  152  LEU LYS ILE ILE GLU GLN LEU PRO SER ALA LYS GLU SER          
SEQRES  10 B  152  PRO ASP LYS PHE LEU GLU VAL CYS THR TRP VAL ASP GLN          
SEQRES  11 B  152  ILE ALA ALA LEU ASN ASP SER LYS THR ARG LYS THR THR          
SEQRES  12 B  152  SER GLU THR VAL ARG ALA VAL LEU ASP                          
SEQRES   1 C   24   DT  DC  DA  DA  DA  DA  DC  DG  DT  DC  DG  DT  DG          
SEQRES   2 C   24   DA  DG  DA  DC  DA  DG  DT  DT  DT  DG  DG                  
SEQRES   1 D   24   DC  DC  DA  DA  DA  DC  DT  DG  DT  DC  DT  DC  DA          
SEQRES   2 D   24  5CM  DG  DA  DC  DG  DT  DT  DT  DT  DG  DA                  
MODRES 4AQU 5CM D  514   DC                                                     
HET    5CM  D 514      20                                                       
HET     CA  A1154       1                                                       
HET    GOL  A1155       6                                                       
HET     CA  A1156       1                                                       
HET    GOL  B1354       6                                                       
HETNAM     5CM 5-METHYL-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE                      
HETNAM      CA CALCIUM ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   4  5CM    C10 H16 N3 O7 P                                              
FORMUL   5   CA    2(CA 2+)                                                     
FORMUL   6  GOL    2(C3 H8 O3)                                                  
FORMUL   9  HOH   *102(H2 O)                                                    
HELIX    1   1 ASN A    6  ASP A   20  1                                  15    
HELIX    2   2 ARG A   51  GLY A   63  1                                  13    
HELIX    3   3 GLU A   80  GLN A   92  1                                  13    
HELIX    4   4 PRO A   93  LEU A   95  5                                   3    
HELIX    5   5 LYS A   98  LYS A  116  1                                  19    
HELIX    6   6 SER A  118  ASN A  136  1                                  19    
HELIX    7   7 THR A  144  ALA A  150  1                                   7    
HELIX    8   8 ASN B  206  ASP B  220  1                                  15    
HELIX    9   9 ARG B  251  GLY B  263  1                                  13    
HELIX   10  10 GLU B  280  GLN B  292  1                                  13    
HELIX   11  11 PRO B  293  LEU B  295  5                                   3    
HELIX   12  12 LYS B  298  GLU B  310  1                                  13    
HELIX   13  13 GLN B  311  ALA B  315  5                                   5    
HELIX   14  14 SER B  318  ASN B  336  1                                  19    
HELIX   15  15 THR B  344  LEU B  352  1                                   9    
SHEET    1  AA 4 GLY A  21  PRO A  29  0                                        
SHEET    2  AA 4 HIS A  37  LYS A  48 -1  O  GLN A  38   N  LYS A  28           
SHEET    3  AA 4 VAL A  73  LEU A  78 -1  O  SER A  74   N  GLN A  47           
SHEET    4  AA 4 TYR A  66  ASP A  69 -1  O  TYR A  66   N  ILE A  77           
SHEET    1  BA 4 GLY B 221  PRO B 229  0                                        
SHEET    2  BA 4 HIS B 237  LYS B 248 -1  O  GLN B 238   N  LYS B 228           
SHEET    3  BA 4 VAL B 273  LEU B 278 -1  O  SER B 274   N  GLN B 247           
SHEET    4  BA 4 TYR B 266  ARG B 270 -1  O  TYR B 266   N  ILE B 277           
LINK         O3'  DA D 513                 P   5CM D 514     1555   1555  1.61  
LINK         O3' 5CM D 514                 P    DG D 515     1555   1555  1.62  
LINK         O   GLY A  19                CA    CA A1156     1555   1555  2.32  
LINK         OD1 ASP A  20                CA    CA A1154     1555   1555  2.54  
LINK         OD2 ASP A  20                CA    CA A1154     1555   1555  2.44  
LINK        CA    CA A1154                 O   HOH A2005     1555   1555  2.48  
LINK        CA    CA A1154                 O   HOH A2052     1555   1555  2.36  
LINK        CA    CA A1154                 O   GLY B 219     1555   1555  2.45  
LINK        CA    CA A1154                 OP2  DG C 415     1555   1555  2.34  
LINK        CA    CA A1154                 OP1 5CM D 514     1555   1555  2.22  
LINK        CA    CA A1156                 O   HOH A2001     1555   1555  2.51  
LINK        CA    CA A1156                 O   HOH A2002     1555   1555  2.39  
LINK        CA    CA A1156                 OD2 ASP B 220     1555   1555  2.42  
LINK        CA    CA A1156                 OD1 ASP B 220     1555   1555  2.61  
LINK        CA    CA A1156                 OP1  DA C 414     1555   1555  2.29  
LINK        CA    CA A1156                 OP2  DG D 515     1555   1555  2.29  
SITE     1 AC1  6 ASP A  20  HOH A2005  HOH A2052  GLY B 219                    
SITE     2 AC1  6  DG C 415  5CM D 514                                          
SITE     1 AC2  8 LEU A  97  LYS A  98  GLN A 101  LEU A 135                    
SITE     2 AC2  8 ASN A 136  HOH A2001  ARG B 251   DA D 516                    
SITE     1 AC3  6 GLY A  19  HOH A2001  HOH A2002  ASP B 220                    
SITE     2 AC3  6  DA C 414   DG D 515                                          
SITE     1 AC4  8 ARG A  51  HOH A2052  LEU B 297  LYS B 298                    
SITE     2 AC4  8 GLN B 301  LEU B 335  ASN B 336   DA C 416                    
CRYST1   71.580   45.355  172.331  90.00  90.00  90.00 P 21 2 21     8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013970  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022048  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005803        0.00000