HEADER    DNA                                     29-DEC-05   2FIH              
TITLE     CRYSTAL STRUCTURE ANALYSIS OF THE B-DNA DODECAMER CGCGAA-AU-TCGCG,    
TITLE    2 WITH INCORPORATED ARABINO-URIDINE (AU)                               
CAVEAT     2FIH    CHIRALITY ERROR AT C2' CENTER OF UAR                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*CP*GP*CP*GP*AP*AP*(UAR)P*TP*CP*GP*CP*G)-3';          
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    ARABINONUCLEIC ACID, SUGAR MODIFICATIONS, B-FORM DNA, DNA             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.EGLI,F.LI                                                           
REVDAT   4   30-AUG-23 2FIH    1       REMARK LINK                              
REVDAT   3   28-DEC-11 2FIH    1       CAVEAT VERSN                             
REVDAT   2   24-FEB-09 2FIH    1       VERSN                                    
REVDAT   1   23-MAY-06 2FIH    0                                                
JRNL        AUTH   F.LI,S.SARKHEL,C.J.WILDS,Z.WAWRZAK,T.P.PRAKASH,M.MANOHARAN,  
JRNL        AUTH 2 M.EGLI                                                       
JRNL        TITL   2'-FLUOROARABINO- AND ARABINONUCLEIC ACID SHOW DIFFERENT     
JRNL        TITL 2 CONFORMATIONS, RESULTING IN DEVIATING RNA AFFINITIES AND     
JRNL        TITL 3 PROCESSING OF THEIR HETERODUPLEXES WITH RNA BY RNASE H.      
JRNL        REF    BIOCHEMISTRY                  V.  45  4141 2006              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16566588                                                     
JRNL        DOI    10.1021/BI052322R                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.13 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.13                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.188                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.191                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.240                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 4.970                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 1178                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 23685                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.177                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.174                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.220                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 4.970                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 991                    
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 19923                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 0                                             
REMARK   3   NUCLEIC ACID ATOMS : 486                                           
REMARK   3   HETEROGEN ATOMS    : 1                                             
REMARK   3   SOLVENT ATOMS      : 179                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : NULL                    
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : NULL                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL                    
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : NULL                    
REMARK   3   NUMBER OF RESTRAINTS                     : 15328                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : NULL                    
REMARK   3   ANGLE DISTANCES                      (A) : NULL                    
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : NULL                                
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE HKL DATA WAS PROCESSED FROM 50.0 A(LOW) TO 1.09 A(HIGH)         
REMARK   3  ACCORDING TO THE                                                    
REMARK   3  SCALEPACK OUTPUT. AUTHORS PERFORMED THE REFINEMENT FROM 50.0 A TO   
REMARK   3  1.13 A, BECAUSE THE LAST SHELL (1.13-1.09A) HAS A LOW COMPLETENESS  
REMARK   3  AND WAS EXLUDED. THE LOW RESOLUTION RANGE 50.0A-23.7A MIGHT NOT     
REMARK   3  CONTAIN ANY DATA.                                                   
REMARK   4                                                                      
REMARK   4 2FIH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JAN-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000035916.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-AUG-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 103.0                              
REMARK 200  PH                             : 7.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 5ID-B                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.82600                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
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   : 23845                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.130                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.03300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.13                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.17                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 59.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: NDB ENTRY BDL084/PDB ENTRY 355D                      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: FINAL DROPLET COMPOSITION: 0.6MM         
REMARK 280  OLIGONUCLEOTIDE, 20MM SODIUM CACODYLATE, 6.3MM MG(OAC)2, AND 3MM    
REMARK 280  SPERMINE TETRAHYDROCHLORIDE., PH 7.0, VAPOR DIFFUSION, HANGING      
REMARK 280  DROP, TEMPERATURE 291K, PH 7.00                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       12.73700            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.67250            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       19.87850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       32.67250            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       12.73700            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       19.87850            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DUPLEX AND CORRESPONDS TO THE   
REMARK 300 CRYSTALLOGRAPHIC ASYMMETRIC UNIT, HENCE NO SYMMETRY OPERATORS ARE    
REMARK 300 NEEDED                                                               
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     DC A   1   C2'    DC A   1   C1'    -0.061                       
REMARK 500     DC A   1   O4'    DC A   1   C1'     0.085                       
REMARK 500     DG A   2   C2'    DG A   2   C1'    -0.062                       
REMARK 500     DG A   2   O4'    DG A   2   C1'     0.068                       
REMARK 500     DG A   2   O3'    DC A   3   P      -0.078                       
REMARK 500     DC A   3   C2'    DC A   3   C1'    -0.072                       
REMARK 500     DC A   3   O4'    DC A   3   C1'     0.118                       
REMARK 500     DA A   5   O4'    DA A   5   C1'     0.086                       
REMARK 500     DA A   6   C2'    DA A   6   C1'    -0.063                       
REMARK 500     DA A   6   O4'    DA A   6   C1'     0.083                       
REMARK 500     DT A   8   C2'    DT A   8   C1'    -0.064                       
REMARK 500     DT A   8   O4'    DT A   8   C1'     0.120                       
REMARK 500     DC A   9   C2'    DC A   9   C1'    -0.106                       
REMARK 500     DC A   9   O4'    DC A   9   C1'     0.149                       
REMARK 500     DC A  11   C2'    DC A  11   C1'    -0.081                       
REMARK 500     DC A  11   O4'    DC A  11   C1'     0.144                       
REMARK 500     DG A  12   C2'    DG A  12   C1'    -0.081                       
REMARK 500     DG A  12   O4'    DG A  12   C1'     0.106                       
REMARK 500     DC B 113   O4'    DC B 113   C1'     0.099                       
REMARK 500     DG B 114   C2'    DG B 114   C1'    -0.069                       
REMARK 500     DG B 114   O4'    DG B 114   C1'     0.073                       
REMARK 500     DC B 115   C2'    DC B 115   C1'    -0.101                       
REMARK 500     DC B 115   O4'    DC B 115   C1'     0.127                       
REMARK 500     DA B 117   C2'    DA B 117   C1'    -0.061                       
REMARK 500     DA B 117   O4'    DA B 117   C1'     0.119                       
REMARK 500     DA B 118   C2'    DA B 118   C1'    -0.089                       
REMARK 500     DA B 118   O4'    DA B 118   C1'     0.134                       
REMARK 500     DT B 120   C2'    DT B 120   C1'    -0.090                       
REMARK 500     DT B 120   O4'    DT B 120   C1'     0.117                       
REMARK 500     DC B 121   C2'    DC B 121   C1'    -0.069                       
REMARK 500     DC B 121   O4'    DC B 121   C1'     0.123                       
REMARK 500     DG B 122   O4'    DG B 122   C1'     0.098                       
REMARK 500     DC B 123   C2'    DC B 123   C1'    -0.106                       
REMARK 500     DC B 123   O4'    DC B 123   C1'     0.150                       
REMARK 500     DG B 124   C2'    DG B 124   C1'    -0.103                       
REMARK 500     DG B 124   O4'    DG B 124   C1'     0.139                       
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     DC A   1   O4' -  C1' -  N1  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500     DG A   2   O4' -  C1' -  N9  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500     DG A   2   C3' -  O3' -  P   ANGL. DEV. =   7.5 DEGREES          
REMARK 500     DC A   3   C1' -  O4' -  C4' ANGL. DEV. =  -6.4 DEGREES          
REMARK 500     DC A   3   O4' -  C1' -  N1  ANGL. DEV. =  -8.0 DEGREES          
REMARK 500     DG A   4   C3' -  O3' -  P   ANGL. DEV. =   8.8 DEGREES          
REMARK 500     DA A   5   O4' -  C1' -  N9  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500     DA A   6   O4' -  C1' -  N9  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500     DT A   8   C1' -  O4' -  C4' ANGL. DEV. =  -6.5 DEGREES          
REMARK 500     DT A   8   N1  -  C1' -  C2' ANGL. DEV. =   8.6 DEGREES          
REMARK 500     DT A   8   O4' -  C1' -  N1  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500     DT A   8   C3' -  O3' -  P   ANGL. DEV. =   8.6 DEGREES          
REMARK 500     DC A   9   N1  -  C1' -  C2' ANGL. DEV. =  11.3 DEGREES          
REMARK 500     DC A   9   O4' -  C1' -  N1  ANGL. DEV. = -11.7 DEGREES          
REMARK 500     DG A  10   C1' -  O4' -  C4' ANGL. DEV. =  -6.3 DEGREES          
REMARK 500     DG A  10   C3' -  C2' -  C1' ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     DG A  10   C3' -  O3' -  P   ANGL. DEV. =   8.1 DEGREES          
REMARK 500     DC A  11   N1  -  C1' -  C2' ANGL. DEV. =  12.2 DEGREES          
REMARK 500     DC A  11   O4' -  C1' -  N1  ANGL. DEV. = -11.5 DEGREES          
REMARK 500     DC A  11   C6  -  N1  -  C2  ANGL. DEV. =  -2.5 DEGREES          
REMARK 500     DC A  11   C5  -  C6  -  N1  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DG A  12   O4' -  C1' -  N9  ANGL. DEV. =  -7.5 DEGREES          
REMARK 500     DC B 113   N1  -  C1' -  C2' ANGL. DEV. =   8.5 DEGREES          
REMARK 500     DC B 113   O4' -  C1' -  N1  ANGL. DEV. =  -9.3 DEGREES          
REMARK 500     DC B 113   N3  -  C4  -  C5  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DC B 113   C4  -  C5  -  C6  ANGL. DEV. =  -3.5 DEGREES          
REMARK 500     DC B 115   C1' -  O4' -  C4' ANGL. DEV. =  -6.3 DEGREES          
REMARK 500     DC B 115   O4' -  C1' -  N1  ANGL. DEV. =  -9.6 DEGREES          
REMARK 500     DG B 116   O4' -  C1' -  N9  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DG B 116   C3' -  O3' -  P   ANGL. DEV. =  11.1 DEGREES          
REMARK 500     DA B 117   O4' -  C1' -  N9  ANGL. DEV. =  -6.5 DEGREES          
REMARK 500     DA B 117   C3' -  O3' -  P   ANGL. DEV. =   8.1 DEGREES          
REMARK 500     DA B 118   O4' -  C1' -  N9  ANGL. DEV. =  -7.7 DEGREES          
REMARK 500     DT B 120   O4' -  C1' -  N1  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500     DC B 121   O5' -  C5' -  C4' ANGL. DEV. =  -5.8 DEGREES          
REMARK 500     DC B 121   N1  -  C1' -  C2' ANGL. DEV. =   9.7 DEGREES          
REMARK 500     DC B 121   O4' -  C1' -  N1  ANGL. DEV. =  -8.7 DEGREES          
REMARK 500     DC B 121   C2  -  N3  -  C4  ANGL. DEV. =   3.3 DEGREES          
REMARK 500     DC B 121   N3  -  C4  -  C5  ANGL. DEV. =  -3.0 DEGREES          
REMARK 500     DG B 122   C3' -  O3' -  P   ANGL. DEV. =   9.3 DEGREES          
REMARK 500     DC B 123   N1  -  C1' -  C2' ANGL. DEV. =   9.4 DEGREES          
REMARK 500     DC B 123   O4' -  C1' -  N1  ANGL. DEV. =  -9.2 DEGREES          
REMARK 500     DG B 124   O4' -  C1' -  N9  ANGL. DEV. =  -8.0 DEGREES          
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                              MG A 493  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 305   O                                                      
REMARK 620 2 HOH A 308   O    87.5                                              
REMARK 620 3 HOH A 309   O    92.0  91.3                                        
REMARK 620 4 HOH A 340   O    92.3  87.1 175.3                                  
REMARK 620 5 HOH A 372   O    87.9 175.3  89.6  92.4                            
REMARK 620 6 HOH B 341   O   176.8  90.1  90.0  85.6  94.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 493                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2FII   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2FIJ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2FIL   RELATED DB: PDB                                   
DBREF  2FIH A    1    12  PDB    2FIH     2FIH             1     12             
DBREF  2FIH B  113   124  PDB    2FIH     2FIH           113    124             
SEQRES   1 A   12   DC  DG  DC  DG  DA  DA UAR  DT  DC  DG  DC  DG              
SEQRES   1 B   12   DC  DG  DC  DG  DA  DA UAR  DT  DC  DG  DC  DG              
MODRES 2FIH UAR A    7    U  URACIL ARABINOSE-5'-PHOSPHATE                      
MODRES 2FIH UAR B  119    U  URACIL ARABINOSE-5'-PHOSPHATE                      
HET    UAR  A   7      20                                                       
HET    UAR  B 119      20                                                       
HET     MG  A 493       1                                                       
HETNAM     UAR URACIL ARABINOSE-5'-PHOSPHATE                                    
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   1  UAR    2(C9 H13 N2 O9 P)                                            
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  HOH   *179(H2 O)                                                    
LINK         O3'  DA A   6                 P   UAR A   7     1555   1555  1.57  
LINK         O3' UAR A   7                 P    DT A   8     1555   1555  1.56  
LINK         O3'  DA B 118                 P   UAR B 119     1555   1555  1.57  
LINK         O3' UAR B 119                 P    DT B 120     1555   1555  1.57  
LINK         O   HOH A 305                MG    MG A 493     3446   1555  2.07  
LINK         O   HOH A 308                MG    MG A 493     3446   1555  2.05  
LINK         O   HOH A 309                MG    MG A 493     3446   1555  2.07  
LINK         O   HOH A 340                MG    MG A 493     1555   1555  2.04  
LINK         O   HOH A 372                MG    MG A 493     3446   1555  2.11  
LINK        MG    MG A 493                 O   HOH B 341     1555   1555  2.04  
SITE     1 AC1  6 HOH A 305  HOH A 308  HOH A 309  HOH A 340                    
SITE     2 AC1  6 HOH A 372  HOH B 341                                          
CRYST1   25.474   39.757   65.345  90.00  90.00  90.00 P 21 21 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      0.039256  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.025153  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015303        0.00000