HEADER RNA 18-MAR-99 462D TITLE CRYSTAL STRUCTURE OF THE HIV-1 GENOMIC RNA DIMERIZATION INITIATION TITLE 2 SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (5'- COMPND 3 R(*CP*UP*UP*GP*CP*UP*GP*AP*GP*GP*UP*GP*CP*AP*CP*AP*CP*AP*GP*CP*AP*AP* COMPND 4 G) -3'); COMPND 5 CHAIN: A, B; COMPND 6 SYNONYM: HIV-1(MAL) GENOMIC RNA DIMERIZATION INITIATION SITE, DIS; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS HIV, RNA DUPLEX, MISMATCH, BULGES, MAGNESIUM BINDING, RNA EXPDTA X-RAY DIFFRACTION AUTHOR E.ENNIFAR,M.YUSUPOV,P.WALTER,R.MARQUET,C.EHRESMANN,B.EHRESMANN, AUTHOR 2 P.DUMAS REVDAT 4 27-DEC-23 462D 1 REMARK LINK REVDAT 3 24-FEB-09 462D 1 VERSN REVDAT 2 01-APR-03 462D 1 JRNL REVDAT 1 02-DEC-99 462D 0 JRNL AUTH E.ENNIFAR,M.YUSUPOV,P.WALTER,R.MARQUET,B.EHRESMANN, JRNL AUTH 2 C.EHRESMANN,P.DUMAS JRNL TITL THE CRYSTAL STRUCTURE OF THE DIMERIZATION INITIATION SITE OF JRNL TITL 2 GENOMIC HIV-1 RNA REVEALS AN EXTENDED DUPLEX WITH TWO JRNL TITL 3 ADENINE BULGES. JRNL REF STRUCTURE FOLD.DES. V. 7 1439 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10574792 JRNL DOI 10.1016/S0969-2126(00)80033-7 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.4 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1942623.230 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 5832 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) : 0.211 REMARK 3 FREE R VALUE : 0.212 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 12.800 REMARK 3 FREE R VALUE TEST SET COUNT : 745 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 759 REMARK 3 BIN R VALUE (WORKING SET) : 0.3460 REMARK 3 BIN FREE R VALUE : 0.3920 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 13.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 120 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 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 : 8 REMARK 3 SOLVENT ATOMS : 240 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 43.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.29000 REMARK 3 B22 (A**2) : -0.29000 REMARK 3 B33 (A**2) : 0.59000 REMARK 3 B12 (A**2) : -0.27000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.33 REMARK 3 LOW RESOLUTION CUTOFF (A) : 10.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 8.500 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.540 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 : 63.97 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 : DNA-RNA-MULTI-END.PARA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DERIVATIVE TO NATIVE SCALING AND HEAVY REMARK 3 ATOM SEARCH DONE WITH PROGRAM LOCHVAT ( DUMAS, 1994, ACTA. REMARK 3 CRYST. A50, 526-534, 537-546) REMARK 4 REMARK 4 462D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000001352. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-FEB-98; 07-MAR-98 REMARK 200 TEMPERATURE (KELVIN) : 120; 120 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; N REMARK 200 RADIATION SOURCE : ESRF; ROTATING ANODE REMARK 200 BEAMLINE : D2AM; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.020, 1.5418; 1.5418 REMARK 200 MONOCHROMATOR : NULL; MIRRORS REMARK 200 OPTICS : NULL; MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE; MAC SCIENCE DIP REMARK 200 -2000B REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5842 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.13500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DROP: CACODYLATE 25MM PH 7.0, MGCL2 REMARK 280 5MM, KCL 150MM, MPD 1%, SPERMINE 5MM; RESERVOIR: CACODYLATE 50MM REMARK 280 PH 7.0, MGCL2 100MM, KCL 300MM, MPD 50%, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 310K 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 21.33333 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 42.66667 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 42.66667 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 21.33333 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 555 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 557 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 635 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 585 LIES ON A SPECIAL POSITION. 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 U B 6 O3' G B 7 P 0.095 REMARK 500 G B 9 O3' G B 10 P 0.149 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 G A 23 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 A 503 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U A 3 O4 REMARK 620 2 G A 4 O6 72.7 REMARK 620 3 HOH A 587 O 85.6 93.1 REMARK 620 4 HOH A 607 O 69.0 100.6 145.6 REMARK 620 5 HOH B 517 O 152.0 88.2 116.3 95.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 507 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 8 OP2 REMARK 620 2 G A 9 N7 87.0 REMARK 620 3 HOH A 509 O 85.8 95.8 REMARK 620 4 HOH A 583 O 90.1 86.7 175.1 REMARK 620 5 HOH A 608 O 81.4 167.9 86.5 90.1 REMARK 620 6 HOH A 623 O 164.3 107.3 98.8 84.5 84.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 9 OP1 REMARK 620 2 HOH A 565 O 64.7 REMARK 620 3 HOH A 597 O 72.7 70.4 REMARK 620 4 G B 9 OP1 161.3 104.7 89.5 REMARK 620 5 G B 9 OP1 170.0 105.4 103.2 14.3 REMARK 620 6 HOH B 571 O 103.2 86.4 156.0 90.9 76.8 REMARK 620 7 HOH B 594 O 96.4 160.0 111.8 95.2 93.5 92.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 508 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 12 O6 REMARK 620 2 HOH A 581 O 97.3 REMARK 620 3 G B 12 O6 73.7 155.2 REMARK 620 4 HOH B 513 O 158.0 96.8 99.3 REMARK 620 5 HOH B 515 O 148.1 81.5 94.0 51.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 606 O REMARK 620 2 HOH A 618 O 95.6 REMARK 620 3 HOH A 621 O 92.5 150.4 REMARK 620 4 HOH A 622 O 58.9 83.6 76.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 506 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 8 OP2 REMARK 620 2 A B 8 OP2 13.0 REMARK 620 3 G B 9 N7 89.6 80.3 REMARK 620 4 G B 9 N7 83.4 74.5 6.9 REMARK 620 5 HOH B 507 O 94.4 85.9 92.5 95.8 REMARK 620 6 HOH B 509 O 82.6 91.2 87.9 84.3 176.9 REMARK 620 7 HOH B 511 O 90.2 99.1 176.9 173.6 84.4 95.1 REMARK 620 8 HOH B 566 O 167.9 176.7 100.9 106.8 91.0 91.9 79.5 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 504 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 572 O REMARK 620 2 HOH B 582 O 84.2 REMARK 620 3 HOH B 605 O 93.2 106.4 REMARK 620 4 HOH B 606 O 80.5 160.8 86.0 REMARK 620 5 HOH B 607 O 82.4 61.6 167.5 104.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 505 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 523 O REMARK 620 2 HOH B 564 O 90.9 REMARK 620 3 HOH B 565 O 100.0 91.5 REMARK 620 4 HOH B 573 O 99.8 168.1 91.7 REMARK 620 5 HOH B 580 O 77.8 83.9 174.9 93.2 REMARK 620 6 HOH B 589 O 158.5 84.0 101.0 84.2 80.8 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 507 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 508 DBREF 462D A 1 23 PDB 462D 462D 1 23 DBREF 462D B 1 23 PDB 462D 462D 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 501 1 HET MG A 503 1 HET MG A 507 1 HET MG A 508 1 HET MG B 502 1 HET MG B 504 1 HET MG B 505 1 HET MG B 506 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 8(MG 2+) FORMUL 11 HOH *240(H2 O) LINK O4 U A 3 MG MG A 503 1555 1555 2.92 LINK O6 G A 4 MG MG A 503 1555 1555 2.76 LINK OP2 A A 8 MG MG A 507 1555 1555 2.42 LINK N7 G A 9 MG MG A 507 1555 1555 2.25 LINK OP1 G A 9 MG MG B 502 1555 1555 2.15 LINK O6 G A 12 MG MG A 508 1555 1555 3.13 LINK MG MG A 501 O HOH A 606 1555 1555 2.02 LINK MG MG A 501 O HOH A 618 1555 1555 2.23 LINK MG MG A 501 O HOH A 621 1555 1555 2.07 LINK MG MG A 501 O HOH A 622 1555 1555 2.46 LINK MG MG A 503 O HOH A 587 1555 1555 2.59 LINK MG MG A 503 O HOH A 607 1555 1555 2.74 LINK MG MG A 503 O HOH B 517 1555 1555 2.83 LINK MG MG A 507 O HOH A 509 1555 1555 2.26 LINK MG MG A 507 O HOH A 583 1555 1555 2.49 LINK MG MG A 507 O HOH A 608 1555 1555 2.49 LINK MG MG A 507 O HOH A 623 1555 1555 2.18 LINK MG MG A 508 O HOH A 581 1555 1555 3.08 LINK MG MG A 508 O6 G B 12 1555 1555 3.06 LINK MG MG A 508 O HOH B 513 1555 1555 1.89 LINK MG MG A 508 O HOH B 515 1555 1555 2.99 LINK O HOH A 565 MG MG B 502 1555 1555 2.03 LINK O HOH A 597 MG MG B 502 1555 1555 2.12 LINK OP2B A B 8 MG MG B 506 1555 1555 2.03 LINK OP2A A B 8 MG MG B 506 1555 1555 2.46 LINK OP1B G B 9 MG MG B 502 1555 1555 2.09 LINK OP1A G B 9 MG MG B 502 1555 1555 2.10 LINK N7 A G B 9 MG MG B 506 1555 1555 2.37 LINK N7 B G B 9 MG MG B 506 1555 1555 2.29 LINK MG MG B 502 O HOH B 571 1555 1555 2.41 LINK MG MG B 502 O HOH B 594 1555 1555 2.47 LINK MG MG B 504 O HOH B 572 1555 1555 2.27 LINK MG MG B 504 O HOH B 582 1555 1555 2.26 LINK MG MG B 504 O HOH B 605 1555 1555 1.99 LINK MG MG B 504 O HOH B 606 1555 1555 2.25 LINK MG MG B 504 O HOH B 607 1555 1555 2.36 LINK MG MG B 505 O HOH B 523 1555 1555 2.15 LINK MG MG B 505 O HOH B 564 1555 1555 2.49 LINK MG MG B 505 O HOH B 565 1555 1555 2.05 LINK MG MG B 505 O HOH B 573 1555 1555 2.36 LINK MG MG B 505 O HOH B 580 1555 1555 2.30 LINK MG MG B 505 O HOH B 589 1555 1555 2.03 LINK MG MG B 506 O HOH B 507 1555 1555 2.08 LINK MG MG B 506 O HOH B 509 1555 1555 2.02 LINK MG MG B 506 O HOH B 511 1555 1555 2.58 LINK MG MG B 506 O HOH B 566 1555 1555 1.94 SITE 1 AC1 4 HOH A 606 HOH A 618 HOH A 621 HOH A 622 SITE 1 AC2 6 G A 9 HOH A 565 HOH A 597 G B 9 SITE 2 AC2 6 HOH B 571 HOH B 594 SITE 1 AC3 5 U A 3 G A 4 HOH A 587 HOH A 607 SITE 2 AC3 5 HOH B 517 SITE 1 AC4 5 HOH B 572 HOH B 582 HOH B 605 HOH B 606 SITE 2 AC4 5 HOH B 607 SITE 1 AC5 6 HOH B 523 HOH B 564 HOH B 565 HOH B 573 SITE 2 AC5 6 HOH B 580 HOH B 589 SITE 1 AC6 6 A B 8 G B 9 HOH B 507 HOH B 509 SITE 2 AC6 6 HOH B 511 HOH B 566 SITE 1 AC7 6 A A 8 G A 9 HOH A 509 HOH A 583 SITE 2 AC7 6 HOH A 608 HOH A 623 SITE 1 AC8 6 G A 12 HOH A 581 G B 12 C B 13 SITE 2 AC8 6 HOH B 513 HOH B 515 CRYST1 59.100 59.100 64.000 90.00 90.00 120.00 P 31 2 1 12 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 0.016920 0.009769 0.000000 0.00000 SCALE2 0.000000 0.019538 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015625 0.00000 MTRIX1 1 -0.999800 0.019600 0.009300 127.60000 1 MTRIX2 1 -0.006000 -0.662200 0.749300 7.40000 1 MTRIX3 1 0.020900 0.749000 0.662200 -4.60000 1