1IXJ - Header Asymmetric Unit

HEADER DNA 22-JUN-02 1IXJ

TITLE CRYSTAL STRUCTURE OF D(GCGAAAGCT) CONTAINING PARALLEL- TITLE 2 STRANDED DUPLEX WITH HOMO BASE PAIRS AND ANTI-PARALLEL TITLE 3 DUPLEX WITH WATSON-CRICK BASE PAIRS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*GP*CP*GP*AP*AP*AP*GP*CP*T)-3'; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES

KEYWDS PARALLEL DNA, HOMO BASE PAIRS, PARALLEL-STRANDED HELIX, KEYWDS 2 PARALLEL DUPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR T.SUNAMI,J.KONDO,T.KOBUNA,I.HIRAO,K.WATANABE,K.MIURA, AUTHOR 2 A.TAKENAKA

REVDAT 2 24-FEB-09 1IXJ 1 VERSN REVDAT 1 11-DEC-02 1IXJ 0

JRNL AUTH T.SUNAMI,J.KONDO,T.KOBUNA,I.HIRAO,K.WATANABE, JRNL AUTH 2 K.MIURA,A.TAKENAKA JRNL TITL CRYSTAL STRUCTURE OF D(GCGAAAGCT) CONTAINING A JRNL TITL 2 PARALLEL-STRANDED DUPLEX WITH HOMO BASE PAIRS AND JRNL TITL 3 AN ANTI-PARALLEL DUPLEX WITH WATSON-CRICK BASE JRNL TITL 4 PAIRS JRNL REF NUCLEIC ACIDS RES. V. 30 5253 2002 JRNL REFN ISSN 0305-1048 JRNL PMID 12466550 JRNL DOI 10.1093/NAR/GKF639

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : G. PARKINSON ET AL., (1996) ACTACRYST. REMARK 3 D52, 57-64 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 9.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 1333 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 130 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.61 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.4130 REMARK 3 BIN FREE R VALUE : 0.5200 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 12 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 : 184 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 7 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 0.90 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE C1*-C2*-C3* ANGLE OF THE G7 REMARK 3 RESIDUE IS SLIGHTLY SMALL DUE TO LARGE TEMPERATURE FACTOR OF REMARK 3 THE C8 RESIDUE.

REMARK 4 REMARK 4 1IXJ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-JUN-02. REMARK 100 THE RCSB ID CODE IS RCSB005375.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-DEC-00; 11-NOV-01 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY; SPRING-8 REMARK 200 BEAMLINE : BL-18B; BL44XU REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.00; 0.900 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; OXFORD PX210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 1676 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 37.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.52 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.23900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2,6-DIAMINOPYRIDINE, MAGNESIUM REMARK 280 CHLORIDE, SODIUM CHLORIDE, HEXAAMMINECOBALT(III) CHLORIDE, 2- REMARK 280 METHYL-2,4-PENTANEDIOL, MEGA-10, SODIUM CACODYLATE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 26.70000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 26.70000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 13.50000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.70000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 40.50000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 40.50000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.70000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 13.50000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 26.70000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 27.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 26.70000 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 27.00000 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 26.70000 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 40.50000 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 13.50000 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 26.70000 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 13.50000 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 40.50000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 26.70000 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 26.70000 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 27.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). BASES 2-5 FORM A PARALLEL REMARK 300 STRANDED DUPLEX WITH HOMO BASE PAIRS WITH BASES 2-5 OF REMARK 300 THE STRAND GENERATED BY SYMMETRY OPERATOR REMARK 300 8_666 : 1-Y, 1-X, 1-Z. BASES 6-9 FORM AN ANTIPARALLEL REMARK 300 DUPLEX WITH WATSON-CRICK BASE PAIRS WITH BASES 9-6 OF REMARK 300 THE STRAND GENERATED BY SYMMETRY OPERATOR REMARK 300 5_655 : 3/2-X,Y,3/4-Z

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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 MG MG A 10 LIES ON A SPECIAL POSITION. REMARK 375 CO NCO A 12 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 DG A 7 C3' - C2' - C1' ANGL. DEV. = -5.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL

REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 10 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 21 O REMARK 620 2 HOH A 22 O 90.0 REMARK 620 3 HOH A 23 O 89.8 90.0 REMARK 620 4 HOH A 20 O 90.1 89.7 179.6 REMARK 620 5 HOH A 24 O 179.6 90.4 90.1 90.1 REMARK 620 6 HOH A 25 O 90.2 179.8 90.0 90.3 89.4 REMARK 620 7 HOH A 20 O 2.4 92.0 91.0 88.8 177.3 88.2 REMARK 620 8 HOH A 21 O 91.2 91.6 178.1 2.3 88.9 88.4 89.9 REMARK 620 9 HOH A 22 O 90.8 178.4 91.5 88.9 88.8 1.6 88.7 86.9 REMARK 620 10 HOH A 24 O 91.2 92.0 2.4 177.9 88.7 88.0 92.3 REMARK 620 175.7 89.5 REMARK 620 11 HOH A 25 O 91.6 1.7 90.6 89.1 88.8 178.1 93.6 REMARK 620 91.0 176.9 92.5 REMARK 620 12 HOH A 23 O 177.4 92.3 91.4 88.7 2.3 87.5 175.0 REMARK 620 87.5 86.9 90.0 90.7 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 9 10 11 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 11 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 26 O REMARK 620 2 HOH A 30 O 90.5 REMARK 620 3 HOH A 27 O 90.0 179.5 REMARK 620 4 HOH A 29 O 179.8 89.4 90.1 REMARK 620 5 HOH A 31 O 90.0 90.2 89.8 89.8 REMARK 620 6 HOH A 28 O 89.6 90.0 90.1 90.6 179.6 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 10 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 11 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 12

DBREF 1IXJ A 1 9 PDB 1IXJ 1IXJ 1 9

SEQRES 1 A 9 DG DC DG DA DA DA DG DC DT

HET MG A 10 1 HET MG A 11 1 HET NCO A 12 7

HETNAM MG MAGNESIUM ION HETNAM NCO COBALT HEXAMMINE(III)

FORMUL 2 MG 2(MG 2+) FORMUL 4 NCO CO H18 N6 3+ FORMUL 5 HOH *19(H2 O)

LINK MG MG A 10 O HOH A 21 1555 1555 2.00 LINK MG MG A 10 O HOH A 22 1555 1555 2.00 LINK MG MG A 10 O HOH A 23 1555 1555 2.00 LINK MG MG A 10 O HOH A 20 1555 1555 2.00 LINK MG MG A 10 O HOH A 24 1555 1555 2.00 LINK MG MG A 10 O HOH A 25 1555 1555 2.00 LINK MG MG A 11 O HOH A 26 1555 1555 2.00 LINK MG MG A 11 O HOH A 30 1555 1555 2.00 LINK MG MG A 11 O HOH A 27 1555 1555 2.00 LINK MG MG A 11 O HOH A 29 1555 1555 2.00 LINK MG MG A 11 O HOH A 31 1555 1555 2.00 LINK MG MG A 11 O HOH A 28 1555 1555 2.00 LINK MG MG A 10 O HOH A 20 1555 7545 1.96 LINK MG MG A 10 O HOH A 21 1555 7545 2.04 LINK MG MG A 10 O HOH A 22 1555 7545 2.07 LINK MG MG A 10 O HOH A 24 1555 7545 1.96 LINK MG MG A 10 O HOH A 25 1555 7545 1.93 LINK MG MG A 10 O HOH A 23 1555 7545 2.04

SITE 1 AC1 6 HOH A 20 HOH A 21 HOH A 22 HOH A 23 SITE 2 AC1 6 HOH A 24 HOH A 25 SITE 1 AC2 7 DG A 1 HOH A 26 HOH A 27 HOH A 28 SITE 2 AC2 7 HOH A 29 HOH A 30 HOH A 31 SITE 1 AC3 5 DA A 4 DA A 5 DG A 7 HOH A 13 SITE 2 AC3 5 HOH A 15

CRYST1 53.400 53.400 54.000 90.00 90.00 90.00 I 41 2 2 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 0.018727 0.000000 0.000000 0.00000

SCALE2 0.000000 0.018727 0.000000 0.00000

SCALE3 0.000000 0.000000 0.018519 0.00000