PDB Short entry for 1NLC HEADER RNA 07-JAN-03 1NLC TITLE HIV-1 DIS(MAL) DUPLEX ZN-SOAKED COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIV-1 DIS(MAL) GENOMIC RNA; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: HIV-1 5' UNTRANSLATED REGION KEYWDS HIV-1, RNA, ZINC EXPDTA X-RAY DIFFRACTION AUTHOR E.ENNIFAR,P.WALTER,P.DUMAS REVDAT 3 14-FEB-24 1NLC 1 REMARK LINK REVDAT 2 24-FEB-09 1NLC 1 VERSN REVDAT 1 13-MAY-03 1NLC 0 JRNL AUTH E.ENNIFAR,P.WALTER,P.DUMAS JRNL TITL A CRYSTALLOGRAPHIC STUDY OF THE BINDING OF 13 METAL IONS TO JRNL TITL 2 TWO RELATED RNA DUPLEXES. JRNL REF NUCLEIC ACIDS RES. V. 31 2671 2003 JRNL REFN ISSN 0305-1048 JRNL PMID 12736317 JRNL DOI 10.1093/NAR/GKG350 REMARK 2 REMARK 2 RESOLUTION. 1.85 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1639517.060 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.4 REMARK 3 NUMBER OF REFLECTIONS : 19553 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) : 0.218 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.500 REMARK 3 FREE R VALUE TEST SET COUNT : 1476 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.96 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 77.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2511 REMARK 3 BIN R VALUE (WORKING SET) : 0.2790 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 193 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 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 : 6 REMARK 3 SOLVENT ATOMS : 283 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.12000 REMARK 3 B22 (A**2) : -3.12000 REMARK 3 B33 (A**2) : 6.23000 REMARK 3 B12 (A**2) : 0.51000 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) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.22 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 9.100 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.760 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 : 0.27 REMARK 3 BSOL : 56.68 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 : LUC.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM 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: NULL REMARK 4 REMARK 4 1NLC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-03. REMARK 100 THE DEPOSITION ID IS D_1000017977. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL 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 : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.26 REMARK 200 MONOCHROMATOR : CRYSTAL 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 : 21043 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 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 (%) : 98.9 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 32.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.18800 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD 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 (%): 43.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, CACODYLATE, KCL, MGCL2, SPERMINE, REMARK 280 PH 7.0, VAPOR DIFFUSION, 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 21.22767 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 42.45533 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 42.45533 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 21.22767 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 136 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 203 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 257 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 264 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 148 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 333 LIES ON A SPECIAL POSITION. 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 G B 4 O5' - P - OP2 ANGL. DEV. = -7.4 DEGREES REMARK 500 U B 6 C3' - O3' - P ANGL. DEV. = -9.7 DEGREES REMARK 500 G B 9 OP1 - P - OP2 ANGL. DEV. = -15.0 DEGREES REMARK 500 G B 9 O5' - P - OP2 ANGL. DEV. = 7.9 DEGREES REMARK 500 G B 9 C2' - C3' - O3' ANGL. DEV. = 10.2 DEGREES 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 C A 1 0.08 SIDE CHAIN REMARK 500 G B 7 0.06 SIDE CHAIN REMARK 500 G B 10 0.06 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 ZN A 54 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 8 OP2 REMARK 620 2 G A 9 N7 85.8 REMARK 620 3 HOH A 137 O 89.3 174.6 REMARK 620 4 HOH A 156 O 87.0 88.8 93.2 REMARK 620 5 HOH A 241 O 91.3 83.9 93.9 172.6 REMARK 620 6 HOH A 256 O 165.4 82.0 103.1 84.8 95.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 50 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 168 O REMARK 620 2 HOH A 319 O 94.5 REMARK 620 3 HOH A 386 O 170.1 93.6 REMARK 620 4 HOH A 387 O 86.3 78.4 100.8 REMARK 620 5 HOH A 388 O 86.7 172.9 85.9 94.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 51 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 389 O REMARK 620 2 HOH B 330 O 95.8 REMARK 620 3 HOH B 376 O 167.6 83.3 REMARK 620 4 HOH B 384 O 92.7 100.5 75.4 REMARK 620 5 HOH B 385 O 105.0 76.9 86.9 162.3 REMARK 620 6 HOH B 390 O 86.5 174.7 95.4 84.1 97.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 53 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 8 OP2 REMARK 620 2 A B 8 OP2 16.8 REMARK 620 3 G B 9 N7 91.1 101.0 REMARK 620 4 G B 9 N7 74.0 87.2 21.7 REMARK 620 5 HOH B 353 O 102.3 90.9 165.7 171.1 REMARK 620 6 HOH B 354 O 176.7 166.5 86.9 103.4 79.9 REMARK 620 7 HOH B 355 O 91.7 103.5 98.0 85.2 86.8 85.9 REMARK 620 8 HOH B 378 O 99.3 86.3 86.6 102.3 86.3 83.3 168.0 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 55 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 22 N7 REMARK 620 2 HOH B 174 O 142.8 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 52 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 380 O REMARK 620 2 HOH B 381 O 86.3 REMARK 620 3 HOH B 391 O 87.6 90.5 REMARK 620 4 HOH B 392 O 115.2 98.5 155.9 REMARK 620 5 HOH B 393 O 92.4 172.0 97.3 74.8 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 53 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 54 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 55 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 50 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 51 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 52 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 462D RELATED DB: PDB REMARK 900 HIV-1 DIS DUPLEX(MAL) MG-SOAKED DBREF 1NLC A 1 23 PDB 1NLC 1NLC 1 23 DBREF 1NLC B 1 23 PDB 1NLC 1NLC 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 ZN A 54 1 HET ZN A 50 1 HET ZN B 53 1 HET ZN B 55 1 HET ZN B 51 1 HET ZN B 52 1 HETNAM ZN ZINC ION FORMUL 3 ZN 6(ZN 2+) FORMUL 9 HOH *283(H2 O) LINK OP2 A A 8 ZN ZN A 54 1555 1555 2.20 LINK N7 G A 9 ZN ZN A 54 1555 1555 2.52 LINK ZN ZN A 50 O HOH A 168 1555 1555 2.04 LINK ZN ZN A 50 O HOH A 319 1555 1555 2.29 LINK ZN ZN A 50 O HOH A 386 1555 1555 2.00 LINK ZN ZN A 50 O HOH A 387 1555 1555 2.09 LINK ZN ZN A 50 O HOH A 388 1555 1555 2.19 LINK ZN ZN A 54 O HOH A 137 1555 1555 2.24 LINK ZN ZN A 54 O HOH A 156 1555 1555 2.05 LINK ZN ZN A 54 O HOH A 241 1555 1555 2.35 LINK ZN ZN A 54 O HOH A 256 1555 1555 2.44 LINK O HOH A 389 ZN ZN B 51 1555 1555 2.09 LINK OP2A A B 8 ZN ZN B 53 1555 1555 2.40 LINK OP2B A B 8 ZN ZN B 53 1555 1555 2.08 LINK N7 A G B 9 ZN ZN B 53 1555 1555 2.21 LINK N7 B G B 9 ZN ZN B 53 1555 1555 2.17 LINK N7 A B 22 ZN ZN B 55 1555 1555 2.52 LINK ZN ZN B 51 O HOH B 330 1555 1555 2.45 LINK ZN ZN B 51 O HOH B 376 1555 1555 2.33 LINK ZN ZN B 51 O HOH B 384 1555 1555 2.19 LINK ZN ZN B 51 O HOH B 385 1555 1555 2.06 LINK ZN ZN B 51 O HOH B 390 1555 1555 2.17 LINK ZN ZN B 52 O HOH B 380 1555 1555 2.29 LINK ZN ZN B 52 O HOH B 381 1555 1555 2.48 LINK ZN ZN B 52 O BHOH B 391 1555 1555 2.14 LINK ZN ZN B 52 O HOH B 392 1555 1555 2.01 LINK ZN ZN B 52 O HOH B 393 1555 1555 2.18 LINK ZN ZN B 53 O HOH B 353 1555 1555 2.34 LINK ZN ZN B 53 O HOH B 354 1555 1555 2.16 LINK ZN ZN B 53 O HOH B 355 1555 1555 2.21 LINK ZN ZN B 53 O HOH B 378 1555 1555 2.06 LINK ZN ZN B 55 O HOH B 174 1555 1555 2.73 SITE 1 AC1 6 A B 8 G B 9 HOH B 353 HOH B 354 SITE 2 AC1 6 HOH B 355 HOH B 378 SITE 1 AC2 6 A A 8 G A 9 HOH A 137 HOH A 156 SITE 2 AC2 6 HOH A 241 HOH A 256 SITE 1 AC3 2 A B 22 HOH B 174 SITE 1 AC4 5 HOH A 168 HOH A 319 HOH A 386 HOH A 387 SITE 2 AC4 5 HOH A 388 SITE 1 AC5 6 HOH A 389 HOH B 330 HOH B 376 HOH B 384 SITE 2 AC5 6 HOH B 385 HOH B 390 SITE 1 AC6 5 HOH B 380 HOH B 381 HOH B 391 HOH B 392 SITE 2 AC6 5 HOH B 393 CRYST1 59.333 59.333 63.683 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 0.016854 0.009731 0.000000 0.00000 SCALE2 0.000000 0.019461 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015703 0.00000