HEADER    RNA                                     10-OCT-05   2B8S              
TITLE     STRUCTURE OF HIV-1(MAL) GENOMIC RNA DIS                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-R(*CP*UP*UP*GP*CP*UP*GP*AP*GP*GP*UP*GP*CP*AP*CP*AP*CP*AP
COMPND   3 *GP*CP*AP*AP*G)-3';                                                  
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: HIV-1 DIS RNA                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    HIV-1, RNA, HAIRPIN                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.ENNIFAR,P.WALTER,B.EHRESMANN,C.EHRESMANN,P.DUMAS                    
REVDAT   3   23-AUG-23 2B8S    1       REMARK LINK                              
REVDAT   2   24-FEB-09 2B8S    1       VERSN                                    
REVDAT   1   25-OCT-05 2B8S    0                                                
SPRSDE     25-OCT-05 2B8S      1JJN                                             
JRNL        AUTH   E.ENNIFAR,P.WALTER,B.EHRESMANN,C.EHRESMANN,P.DUMAS           
JRNL        TITL   CRYSTAL STRUCTURES OF COAXIALLY STACKED KISSING COMPLEXES OF 
JRNL        TITL 2 THE HIV-1 RNA DIMERIZATION INITIATION SITE                   
JRNL        REF    NAT.STRUCT.BIOL.              V.   8  1064 2001              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   11702070                                                     
JRNL        DOI    10.1038/NSB727                                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.76 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.76                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1062478.760                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 3728                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.213                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 313                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.012                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.76                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.92                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 525                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3510                       
REMARK   3   BIN FREE R VALUE                    : 0.4010                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.30                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 54                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.055                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 980                                     
REMARK   3   HETEROGEN ATOMS          : 38                                      
REMARK   3   SOLVENT ATOMS            : 115                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 29.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.19000                                             
REMARK   3    B22 (A**2) : -4.96000                                             
REMARK   3    B33 (A**2) : 6.15000                                              
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) : 0.30                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.38                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.33                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.47                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 7.700                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.390                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.33                                                 
REMARK   3   BSOL        : 33.73                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  2  : LUC.PARAM                                      
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : BRU_REP.PARAM                                  
REMARK   3  PARAMETER FILE  5  : NEAMINE.PARAM                                  
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : BRU.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NEAMINE.TOP                                    
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2B8S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-OCT-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034817.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-JUN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM30A                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.28                               
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   : 4138                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.760                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 5.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.76                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.09900                            
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: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1JJM                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG8000, AMMONIUM SULFATE, SODIUM        
REMARK 280  CACODYLATE, SPERMINE, MAGNESIUM CHLORIDE, PH 7.0, VAPOR             
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 310K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       47.19950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       47.19950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       13.53800            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       57.41100            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       13.53800            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       57.41100            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       47.19950            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       13.53800            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       57.41100            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       47.19950            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       13.53800            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       57.41100            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: 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: 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 B   9         0.07    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 A 103  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 229   O                                                      
REMARK 620 2 HOH A 254   O    84.2                                              
REMARK 620 3 HOH A 269   O    93.5  91.7                                        
REMARK 620 4 HOH B 215   O    77.4 160.9  94.5                                  
REMARK 620 5 HOH B 262   O    77.2  87.2 170.7  83.8                            
REMARK 620 6 HOH B 315   O   152.6  97.1 113.8  96.8  75.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 105  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 244   O                                                      
REMARK 620 2 HOH A 272   O    87.2                                              
REMARK 620 3 HOH A 300   O   120.0  88.9                                        
REMARK 620 4 HOH A 310   O   154.6  78.5  81.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 102                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 103                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 104                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 105                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 106                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 108                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 109                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 114                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2B8R   RELATED DB: PDB                                   
REMARK 900 HIV-1 SUBTYPE-B DIS RNA LOOP-LOOP COMPLEX                            
REMARK 900 RELATED ID: 1XPE   RELATED DB: PDB                                   
REMARK 900 HIV-1 SUBTYPE-B DIS RNA LOOP-LOOP COMPLEX                            
REMARK 900 RELATED ID: 1XPF   RELATED DB: PDB                                   
REMARK 900 HIV-1 SUBTYPE-A DIS RNA LOOP-LOOP COMPLEX                            
REMARK 900 RELATED ID: 1XP7   RELATED DB: PDB                                   
REMARK 900 HIV-1 SUBTYPE-F DIS RNA LOOP-LOOP COMPLEX                            
REMARK 900 RELATED ID: 1Y3S   RELATED DB: PDB                                   
REMARK 900 HIV-1 SUBTYPE-F DIS RNA LOOP-LOOP COMPLEX                            
REMARK 900 RELATED ID: 1ZCI   RELATED DB: PDB                                   
REMARK 900 HIV-1 SUBTYPE-F DIS RNA LOOP-LOOP COMPLEX                            
DBREF  2B8S A    1    23  PDB    2B8S     2B8S             1     23             
DBREF  2B8S B    1    23  PDB    2B8S     2B8S             1     23             
SEQRES   1 A   23    C   U   U   G   C   U   G   A   G   G   U   G   C          
SEQRES   2 A   23    A   C   A   C   A   G   C   A   A   G                      
SEQRES   1 B   23    C   U   U   G   C   U   G   A   G   G   U   G   C          
SEQRES   2 B   23    A   C   A   C   A   G   C   A   A   G                      
HET     MG  A 103       1                                                       
HET    SO4  A 104       5                                                       
HET     MG  A 105       1                                                       
HET    SO4  A 106       5                                                       
HET     NA  A 107       1                                                       
HET     MG  A 108       1                                                       
HET     MG  A 113       1                                                       
HET    SO4  A 114       5                                                       
HET    SO4  B 101       5                                                       
HET    SO4  B 102       5                                                       
HET    SO4  B 109       5                                                       
HET     MG  B 110       1                                                       
HET     NA  B 111       1                                                       
HET     MG  B 112       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     SO4 SULFATE ION                                                      
HETNAM      NA SODIUM ION                                                       
FORMUL   3   MG    6(MG 2+)                                                     
FORMUL   4  SO4    6(O4 S 2-)                                                   
FORMUL   7   NA    2(NA 1+)                                                     
FORMUL  17  HOH   *115(H2 O)                                                    
LINK        MG    MG A 103                 O   HOH A 229     1555   1555  2.48  
LINK        MG    MG A 103                 O   HOH A 254     1555   1555  2.18  
LINK        MG    MG A 103                 O   HOH A 269     1555   1555  2.07  
LINK        MG    MG A 103                 O   HOH B 215     1555   1555  2.54  
LINK        MG    MG A 103                 O   HOH B 262     1555   1555  2.12  
LINK        MG    MG A 103                 O   HOH B 315     1555   1555  2.21  
LINK        MG    MG A 105                 O   HOH A 244     1555   1555  2.33  
LINK        MG    MG A 105                 O   HOH A 272     1555   1555  2.44  
LINK        MG    MG A 105                 O   HOH A 300     1555   1555  2.10  
LINK        MG    MG A 105                 O   HOH A 310     1555   1555  2.50  
SITE     1 AC1  3 SO4 A 106   MG A 108    C B   1                               
SITE     1 AC2  6   G A  10  HOH A 254    C B  13    A B  14                    
SITE     2 AC2  6 HOH B 260  HOH B 315                                          
SITE     1 AC3  6 HOH A 229  HOH A 254  HOH A 269  HOH B 215                    
SITE     2 AC3  6 HOH B 262  HOH B 315                                          
SITE     1 AC4  3   A A   8    G A   9    A B   8                               
SITE     1 AC5  4 HOH A 244  HOH A 272  HOH A 300  HOH A 310                    
SITE     1 AC6  2   C A   1  SO4 B 101                                          
SITE     1 AC7  2   G A  23  SO4 B 101                                          
SITE     1 AC8  3 HOH A 291    A B   8    G B   9                               
SITE     1 AC9  4   G A  10  HOH A 276    C B   5    A B  16                    
CRYST1   27.076  114.822   94.399  90.00  90.00  90.00 C 2 2 21     16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.036933  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008709  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010593        0.00000