HEADER    RNA/INHIBITOR                           17-JUN-15   5C45              
TITLE     SELECTIVE SMALL MOLECULE INHIBITION OF THE FMN RIBOSWITCH             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FMN RIBOSWITCH;                                            
COMPND   3 CHAIN: X;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: FMN RIBOSWITCH;                                            
COMPND   7 CHAIN: Y;                                                            
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: FUSOBACTERIUM NUCLEATUM;                        
SOURCE   4 ORGANISM_TAXID: 851;                                                 
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 SYNTHETIC: YES;                                                      
SOURCE   7 ORGANISM_SCIENTIFIC: FUSOBACTERIUM NUCLEATUM;                        
SOURCE   8 ORGANISM_TAXID: 851                                                  
KEYWDS    RNA, TRANSLATION, RNA-INHIBITOR COMPLEX                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.O.FISCHMANN                                                         
REVDAT   5   25-OCT-23 5C45    1       REMARK                                   
REVDAT   4   01-MAR-23 5C45    1       COMPND JRNL   REMARK SEQADV              
REVDAT   4 2                   1       HETNAM                                   
REVDAT   3   11-NOV-15 5C45    1       JRNL                                     
REVDAT   2   14-OCT-15 5C45    1       JRNL                                     
REVDAT   1   07-OCT-15 5C45    0                                                
JRNL        AUTH   J.A.HOWE,H.WANG,T.O.FISCHMANN,C.J.BALIBAR,L.XIAO,            
JRNL        AUTH 2 A.M.GALGOCI,J.C.MALINVERNI,T.MAYHOOD,A.VILLAFANIA,A.NAHVI,   
JRNL        AUTH 3 N.MURGOLO,C.M.BARBIERI,P.A.MANN,D.CARR,E.XIA,P.ZUCK,D.RILEY, 
JRNL        AUTH 4 R.E.PAINTER,S.S.WALKER,B.SHERBORNE,R.DE JESUS,W.PAN,         
JRNL        AUTH 5 M.A.PLOTKIN,J.WU,D.RINDGEN,J.CUMMINGS,C.G.GARLISI,R.ZHANG,   
JRNL        AUTH 6 P.R.SHETH,C.J.GILL,H.TANG,T.ROEMER                           
JRNL        TITL   SELECTIVE SMALL-MOLECULE INHIBITION OF AN RNA STRUCTURAL     
JRNL        TITL 2 ELEMENT.                                                     
JRNL        REF    NATURE                        V. 526   672 2015              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   26416753                                                     
JRNL        DOI    10.1038/NATURE15542                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.93 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER 2.11.5                                        
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN,              
REMARK   3               : WOMACK,MATTHEWS,TEN EYCK,TRONRUD                     
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.93                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.56                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 9179                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3   R VALUE     (WORKING + TEST SET)  : 0.214                          
REMARK   3   R VALUE            (WORKING SET)  : 0.213                          
REMARK   3   FREE R VALUE                      : 0.234                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 4.820                          
REMARK   3   FREE R VALUE TEST SET COUNT       : 442                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED               : 5                        
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 2.93                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 3.28                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : 99.97                    
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 2528                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 0.2522                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 2402                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.2513                   
REMARK   3   BIN FREE R VALUE                        : 0.2705                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 4.98                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 126                      
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE     : NULL                     
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 2340                                    
REMARK   3   HETEROGEN ATOMS          : 35                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 109.8                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 103.1                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 6.94600                                              
REMARK   3    B22 (A**2) : 6.94600                                              
REMARK   3    B33 (A**2) : -13.89200                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : 0.485               
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : 0.362               
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.938                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.922                         
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 2649   ; 2.000  ; HARMONIC            
REMARK   3    BOND ANGLES               : 4123   ; 2.000  ; HARMONIC            
REMARK   3    TORSION ANGLES            : 551    ; 2.000  ; SINUSOIDAL          
REMARK   3    TRIGONAL CARBON PLANES    : NULL   ; NULL   ; NULL                
REMARK   3    GENERAL PLANES            : 112    ; 5.000  ; HARMONIC            
REMARK   3    ISOTROPIC THERMAL FACTORS : 2649   ; 20.000 ; HARMONIC            
REMARK   3    BAD NON-BONDED CONTACTS   : 0      ; 5.000  ; SEMIHARMONIC        
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : 436    ; 5.000  ; SEMIHARMONIC        
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : 2634   ; 4.000  ; SEMIHARMONIC        
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.010                    
REMARK   3    BOND ANGLES                  (DEGREES) : 0.74                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : NULL                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : 23.60                    
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5C45 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000210937.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-JUL-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.5-6.8                            
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.                                 
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          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 9222                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.928                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 35.600                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 7.000                              
REMARK 200  R MERGE                    (I) : 0.01900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.93                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.94                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.16000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: BUSTER                                                
REMARK 200 STARTING MODEL: 3F4E                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.75                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.84                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NA ACETATE, PH 5.0, 0.2 M MGCL2,   
REMARK 280  AND 7 TO 11% V/V PEG 4K, VAPOR DIFFUSION, HANGING DROP,             
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       46.17000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       92.34000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       92.34000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       46.17000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7290 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16100 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -39.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: X, Y                                  
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 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       U X  54    C5'  C4'  O4'  C3'  O3'  C2'  O2'                   
REMARK 470       U X  54    C1'  N1   C2   O2   N3   C4   O4                    
REMARK 470       U X  54    C5   C6                                             
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      G X  11         0.05    SIDE CHAIN                              
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 Y 302  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U Y  89   O4                                                     
REMARK 620 2   A Y  92   OP2  91.9                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K Y 304   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A Y  90   OP2                                                    
REMARK 620 2   G Y  91   OP1  68.3                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K X 101                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG X 102                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K X 103                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 51B X 105                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K Y 301                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG Y 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K Y 303                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue K Y 304                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2YIF   RELATED DB: PDB                                   
REMARK 900 2YIF CONTAINS THE SAME HEPTAMER IN APO FORM                          
DBREF  5C45 X    3    51  GB     20095250 AE009951.2    2495   2543             
DBREF  5C45 Y   57   109  GB     20095250 AE009951.2    2549   2601             
SEQADV 5C45   G X    1  GB   20095250            INSERTION                      
SEQADV 5C45   G X    2  GB   20095250            INSERTION                      
SEQADV 5C45   C X   52  GB   20095250            INSERTION                      
SEQADV 5C45   U X   53  GB   20095250            INSERTION                      
SEQADV 5C45   U X   54  GB   20095250            INSERTION                      
SEQADV 5C45   U Y  110  GB   20095250            INSERTION                      
SEQADV 5C45   U Y  111  GB   20095250            INSERTION                      
SEQADV 5C45   C Y  112  GB   20095250            INSERTION                      
SEQRES   1 X   54    G   G   A   U   C   U   U   C   G   G   G   G   C          
SEQRES   2 X   54    A   G   G   G   U   G   A   A   A   U   U   C   C          
SEQRES   3 X   54    C   G   A   C   C   G   G   U   G   G   U   A   U          
SEQRES   4 X   54    A   G   U   C   C   A   C   G   A   A   A   G   C          
SEQRES   5 X   54    U   U                                                      
SEQRES   1 Y   56    G   C   U   U   U   G   A   U   U   U   G   G   U          
SEQRES   2 Y   56    G   A   A   A   U   U   C   C   A   A   A   A   C          
SEQRES   3 Y   56    C   G   A   C   A   G   U   A   G   A   G   U   C          
SEQRES   4 Y   56    U   G   G   A   U   G   A   G   A   G   A   A   G          
SEQRES   5 Y   56    A   U   U   C                                              
HET      K  X 101       1                                                       
HET     MG  X 102       1                                                       
HET      K  X 103       1                                                       
HET      K  X 104       1                                                       
HET    51B  X 105      27                                                       
HET      K  Y 301       1                                                       
HET     MG  Y 302       1                                                       
HET      K  Y 303       1                                                       
HET      K  Y 304       1                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     51B (6M)-2-[(3S)-1-{[2-(METHYLAMINO)PYRIMIDIN-5-                     
HETNAM   2 51B  YL]METHYL}PIPERIDIN-3-YL]-6-(THIOPHEN-2-YL)PYRIMIDIN-           
HETNAM   3 51B  4-OL                                                            
FORMUL   3    K    6(K 1+)                                                      
FORMUL   4   MG    2(MG 2+)                                                     
FORMUL   7  51B    C19 H22 N6 O S                                               
LINK         OP2   A X  14                MG    MG X 102     1555   1555  2.31  
LINK         OP2   G X  16                 K     K X 103     1555   1555  3.39  
LINK         O2'   A X  40                 K     K X 101     1555   1555  3.31  
LINK         O4    U Y  89                MG    MG Y 302     1555   1555  2.05  
LINK         OP2   A Y  90                 K     K Y 304     1555   1555  3.15  
LINK         OP1   G Y  91                 K     K Y 304     1555   1555  2.82  
LINK         OP2   A Y  92                MG    MG Y 302     1555   1555  2.42  
LINK         O6    G Y  97                 K     K Y 301     1555   1555  3.31  
SITE     1 AC1  1   A X  40                                                     
SITE     1 AC2  1   A X  14                                                     
SITE     1 AC3  1   G X  16                                                     
SITE     1 AC4  8   G X  10    G X  11    A X  48    A X  49                    
SITE     2 AC4  8   G Y  62    G Y  84    A Y  85    A Y  99                    
SITE     1 AC5  1   G Y  97                                                     
SITE     1 AC6  3   G Y  88    U Y  89    A Y  92                               
SITE     1 AC7  2   G Y  67    G Y  68                                          
SITE     1 AC8  2   A Y  90    G Y  91                                          
CRYST1   71.110   71.110  138.510  90.00  90.00 120.00 P 31 2 1      6          
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      0.014063  0.008119  0.000000        0.00000                         
SCALE2      0.000000  0.016238  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007220        0.00000