HEADER DNA 10-MAR-06 2GB9 TITLE D(CGTACG)2 CROSSLINKED BIS-ACRIDINE COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*GP*TP*AP*CP*G)-3'; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS DNA DUPLEX CROSSLINKING, DNA EXPDTA X-RAY DIFFRACTION AUTHOR N.H.HOPCROFT,A.L.BROGDEN,M.SEARCEY,C.J.CARDIN REVDAT 5 14-FEB-24 2GB9 1 REMARK LINK REVDAT 4 18-OCT-17 2GB9 1 REMARK REVDAT 3 24-FEB-09 2GB9 1 VERSN REVDAT 2 01-MAY-07 2GB9 1 JRNL REVDAT 1 25-APR-06 2GB9 0 JRNL AUTH N.H.HOPCROFT,A.L.BROGDEN,M.SEARCEY,C.J.CARDIN JRNL TITL X-RAY CRYSTALLOGRAPHIC STUDY OF DNA DUPLEX CROSS-LINKING: JRNL TITL 2 SIMULTANEOUS BINDING TO TWO D(CGTACG)2 MOLECULES BY A JRNL TITL 3 BIS(9-AMINOACRIDINE-4-CARBOXAMIDE) DERIVATIVE. JRNL REF NUCLEIC ACIDS RES. V. 34 6663 2006 JRNL REFN ISSN 0305-1048 JRNL PMID 17145714 JRNL DOI 10.1093/NAR/GKL930 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.213 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 221 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 4204 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 240 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 103 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 393.00 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 1589 REMARK 3 NUMBER OF RESTRAINTS : 1895 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.026 REMARK 3 ANGLE DISTANCES (A) : 0.021 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.005 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.000 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.000 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.012 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.063 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) REMARK 4 REMARK 4 2GB9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAR-06. REMARK 100 THE DEPOSITION ID IS D_1000036912. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-SEP-05 REMARK 200 TEMPERATURE (KELVIN) : 100.0 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 : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.769 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 : 4509 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 37.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 26.80 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 27.90 REMARK 200 R MERGE FOR SHELL (I) : 0.20400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: HKL2MAP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CACODYLATE PH7.0, SRCL2, REMARK 280 SPERMINE, MPD, SITTING DROP VAPOUR DIFFUSION AT 291K, VAPOR REMARK 280 DIFFUSION, SITTING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2 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 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 26.74000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 40.11000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 13.37000 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 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.74000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 13.37000 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 40.11000 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 300 REMARK: THE OTHER HALVES OF THE TWO DRUGS IN THE ASYMMETRIC UNIT REMARK 300 ARE GENERATED BY THE SYMMETRY OPERATIONS (1-X,Y,-Z) AND (X,1-Y,-Z+ REMARK 300 0.5) RESPECTIVELY. 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: HEXAMERIC 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 37.21000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 0.000000 -1.000000 0.000000 37.21000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 26.74000 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 SR SR B 202 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 207 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 334 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 345 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 357 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 DT A 3 O4' DT A 3 C1' 0.083 REMARK 500 DA A 4 O4' DA A 4 C1' 0.072 REMARK 500 DC A 5 C5' DC A 5 C4' 0.046 REMARK 500 DG A 6 C1' DG A 6 N9 0.083 REMARK 500 DG A 6 C6 DG A 6 N1 0.042 REMARK 500 DC B 1 O4' DC B 1 C1' 0.070 REMARK 500 DG B 2 C1' DG B 2 N9 0.083 REMARK 500 DG B 6 C5' DG B 6 C4' 0.059 REMARK 500 DG B 6 C1' DG B 6 N9 0.082 REMARK 500 REMARK 500 REMARK: NULL 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 DC A 1 O4' - C1' - N1 ANGL. DEV. = -6.7 DEGREES REMARK 500 DG A 2 C2 - N3 - C4 ANGL. DEV. = -3.1 DEGREES REMARK 500 DT A 3 N1 - C1' - C2' ANGL. DEV. = 9.4 DEGREES REMARK 500 DT A 3 C6 - N1 - C2 ANGL. DEV. = 3.5 DEGREES REMARK 500 DT A 3 N3 - C2 - O2 ANGL. DEV. = 4.6 DEGREES REMARK 500 DT A 3 C4 - C5 - C7 ANGL. DEV. = 4.2 DEGREES REMARK 500 DA A 4 O4' - C1' - N9 ANGL. DEV. = -8.3 DEGREES REMARK 500 DC A 5 OP1 - P - OP2 ANGL. DEV. = 9.6 DEGREES REMARK 500 DC A 5 N1 - C1' - C2' ANGL. DEV. = 12.0 DEGREES REMARK 500 DC A 5 O4' - C1' - N1 ANGL. DEV. = 12.0 DEGREES REMARK 500 DC A 5 C6 - N1 - C1' ANGL. DEV. = -7.7 DEGREES REMARK 500 DG A 6 O4' - C1' - N9 ANGL. DEV. = -11.6 DEGREES REMARK 500 DG A 6 N1 - C6 - O6 ANGL. DEV. = -4.0 DEGREES REMARK 500 DG A 6 C5 - C6 - O6 ANGL. DEV. = 4.2 DEGREES REMARK 500 DC B 1 N1 - C1' - C2' ANGL. DEV. = 12.9 DEGREES REMARK 500 DC B 1 C6 - N1 - C2 ANGL. DEV. = 4.9 DEGREES REMARK 500 DC B 1 N3 - C4 - C5 ANGL. DEV. = 2.5 DEGREES REMARK 500 DG B 2 O4' - C1' - N9 ANGL. DEV. = -10.4 DEGREES REMARK 500 DT B 3 N1 - C1' - C2' ANGL. DEV. = 18.8 DEGREES REMARK 500 DT B 3 O4' - C1' - N1 ANGL. DEV. = -4.7 DEGREES REMARK 500 DT B 3 C6 - N1 - C2 ANGL. DEV. = -3.2 DEGREES REMARK 500 DT B 3 C2 - N3 - C4 ANGL. DEV. = 4.2 DEGREES REMARK 500 DT B 3 N3 - C4 - C5 ANGL. DEV. = -3.9 DEGREES REMARK 500 DT B 3 N1 - C2 - O2 ANGL. DEV. = -6.8 DEGREES REMARK 500 DT B 3 N3 - C2 - O2 ANGL. DEV. = 7.2 DEGREES REMARK 500 DT B 3 N3 - C4 - O4 ANGL. DEV. = 5.3 DEGREES REMARK 500 DC B 5 O4' - C1' - N1 ANGL. DEV. = 2.8 DEGREES REMARK 500 DG B 6 O4' - C1' - N9 ANGL. DEV. = -5.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 A4C 301 AND A4C 302 REPRESENT TWO CRYSTALLOGRAPHICALLY DISTINCT REMARK 600 COPIES OF THE LIGAND. EACH OF THESE TWO MOLECULES LIES ON A REMARK 600 CRYSTALLOGRAPHIC AXIS OF TWO-FOLD ROTATIONAL SYMMETRY. HENCE, REMARK 600 IN BOTH CASES, ONLY HALF OF THE LIGAND IS PRESENT IN THE REMARK 600 COORDINATE FILE SUBMITTED, WHICH CORRESPONDS TO ONE ASYMMETRIC REMARK 600 UNIT. THE OTHER HALF OF EACH LIGAND CAN BE GENERATED THROUGH REMARK 600 SYMMETRY. LINKS ARE PROVIDED BETWEEN SYMMETRY RELATED CX3 ATOMS. 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 SR A 201 SR REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 227 O REMARK 620 2 HOH A 235 O 64.8 REMARK 620 3 HOH B 313 O 149.5 139.6 REMARK 620 4 HOH B 315 O 142.3 82.4 68.2 REMARK 620 5 HOH B 333 O 95.1 155.1 64.8 110.1 REMARK 620 6 HOH B 356 O 88.4 57.5 119.4 57.2 110.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SR B 202 SR REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 316 O REMARK 620 2 HOH B 316 O 152.4 REMARK 620 3 HOH B 349 O 89.3 80.4 REMARK 620 4 HOH B 349 O 80.4 89.3 136.2 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 A4C B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE A4C B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SR A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SR B 202 DBREF 2GB9 A 1 6 PDB 2GB9 2GB9 1 6 DBREF 2GB9 B 1 6 PDB 2GB9 2GB9 1 6 SEQRES 1 A 6 DC DG DT DA DC DG SEQRES 1 B 6 DC DG DT DA DC DG HET SR A 201 1 HET A4C B 301 26 HET A4C B 302 26 HET SR B 202 1 HETNAM SR STRONTIUM ION HETNAM A4C 9,9'-(HEXANE-1,6-DIYLDIIMINO)BIS{N-[2-(DIMETHYLAMINO) HETNAM 2 A4C ETHYL]ACRIDINE-4-CARBOXAMIDE} FORMUL 3 SR 2(SR 2+) FORMUL 4 A4C 2(C42 H50 N8 O2) FORMUL 7 HOH *103(H2 O) LINK CX3 A4C B 301 CX3 A4C B 301 1555 5655 1.53 LINK CX3 A4C B 302 CX3 A4C B 302 1555 6565 1.51 LINK SR SR A 201 O HOH A 227 1555 1555 2.85 LINK SR SR A 201 O HOH A 235 1555 1555 2.84 LINK SR SR A 201 O HOH B 313 1555 1555 2.62 LINK SR SR A 201 O HOH B 315 1555 1555 2.49 LINK SR SR A 201 O HOH B 333 1555 1555 2.68 LINK SR SR A 201 O HOH B 356 1555 1555 2.84 LINK SR SR B 202 O HOH B 316 1555 1555 2.65 LINK SR SR B 202 O HOH B 316 1555 8664 2.65 LINK SR SR B 202 O HOH B 349 1555 1555 2.21 LINK SR SR B 202 O HOH B 349 1555 8664 2.21 SITE 1 AC1 7 DC A 5 DG A 6 DC B 1 DG B 2 SITE 2 AC1 7 DT B 3 HOH B 304 HOH B 342 SITE 1 AC2 8 DC A 1 DG A 2 DG A 6 HOH A 229 SITE 2 AC2 8 DC B 5 DG B 6 HOH B 317 HOH B 321 SITE 1 AC3 6 HOH A 227 HOH A 235 HOH B 313 HOH B 315 SITE 2 AC3 6 HOH B 333 HOH B 356 SITE 1 AC4 2 HOH B 316 HOH B 349 CRYST1 37.210 37.210 53.480 90.00 90.00 90.00 P 43 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 0.026874 0.000000 0.000000 0.00000 SCALE2 0.000000 0.026874 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018699 0.00000