HEADER DNA 01-FEB-23 8CE2 TITLE X-RAY STRUCTURE OF THE ADDUCT FORMED UPON REACTION OF A B-DNA DOUBLE TITLE 2 HELICAL DODECAMER WITH DIRHODIUM TETRAACETATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: DNA MOLECULE; SOURCE 4 ORGANISM_TAXID: 2853804 KEYWDS B-DNA, DODECAMER, DIRHODIUM, INTERACTION, DNA EXPDTA X-RAY DIFFRACTION AUTHOR G.TITO,R.TROISI,G.FERRARO,F.SICA,A.MERLINO REVDAT 3 19-JUN-24 8CE2 1 REMARK REVDAT 2 07-JUN-23 8CE2 1 JRNL REVDAT 1 31-MAY-23 8CE2 0 JRNL AUTH G.TITO,R.TROISI,G.FERRARO,A.GERI,L.MASSAI,L.MESSORI,F.SICA, JRNL AUTH 2 A.MERLINO JRNL TITL DIRHODIUM TETRAACETATE BINDING TO A B-DNA DOUBLE HELICAL JRNL TITL 2 DODECAMER PROBED BY X-RAY CRYSTALLOGRAPHY AND MASS JRNL TITL 3 SPECTROMETRY. JRNL REF DALTON TRANS V. 52 6992 2023 JRNL REFN ESSN 1477-9234 JRNL PMID 37199244 JRNL DOI 10.1039/D3DT00320E REMARK 2 REMARK 2 RESOLUTION. 1.24 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0352 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.24 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.36 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 19898 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.885 REMARK 3 FREE R VALUE TEST SET COUNT : 972 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.24 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.27 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1356 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.93 REMARK 3 BIN R VALUE (WORKING SET) : 0.3030 REMARK 3 BIN FREE R VALUE SET COUNT : 81 REMARK 3 BIN FREE R VALUE : 0.2610 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 486 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 168 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.36 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.66500 REMARK 3 B22 (A**2) : 0.46800 REMARK 3 B33 (A**2) : -1.13400 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.050 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.052 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.039 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.890 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.971 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.963 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 544 ; 0.012 ; 0.011 REMARK 3 BOND LENGTHS OTHERS (A): 268 ; 0.002 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 836 ; 3.073 ; 1.795 REMARK 3 BOND ANGLES OTHERS (DEGREES): 636 ; 0.495 ; 1.550 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 94 ; 0.170 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 292 ; 0.039 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 88 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 27 ; 0.153 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 27 ; 0.138 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 184 ; 0.256 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 91 ; 0.166 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 544 ; 1.959 ; 1.943 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 544 ; 1.958 ; 1.943 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 836 ; 2.851 ; 2.946 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 837 ; 2.849 ; 2.945 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 8CE2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-FEB-23. REMARK 100 THE DEPOSITION ID IS D_1292128383. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 11.2C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AUTOPROC REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19898 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.240 REMARK 200 RESOLUTION RANGE LOW (A) : 34.360 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 10.80 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.24 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 7% (V/V) 2-METHYL-2,4-PENTANEDIOL, 20 REMARK 280 MM MGCL2, 80 MM SPERMINE TETRAHYDROCHLORIDE, AND 60 MM SODIUM REMARK 280 CACODYLATE AT PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 12.76500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 32.85500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.15500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 32.85500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 12.76500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.15500 REMARK 290 SMTRY3 4 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 259 O HOH A 282 2.11 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 DG A 4 N7 - C8 - N9 ANGL. DEV. = 3.3 DEGREES REMARK 500 DG A 4 C8 - N9 - C4 ANGL. DEV. = -2.5 DEGREES REMARK 500 DG A 4 N3 - C2 - N2 ANGL. DEV. = -4.2 DEGREES REMARK 500 DA A 5 O3' - P - OP2 ANGL. DEV. = 6.7 DEGREES REMARK 500 DA A 5 O5' - P - OP2 ANGL. DEV. = -6.9 DEGREES REMARK 500 DA A 5 C8 - N9 - C4 ANGL. DEV. = -2.7 DEGREES REMARK 500 DG A 10 C3' - C2' - C1' ANGL. DEV. = -5.2 DEGREES REMARK 500 DG A 12 OP1 - P - OP2 ANGL. DEV. = 9.8 DEGREES REMARK 500 DG A 12 O5' - P - OP2 ANGL. DEV. = -8.1 DEGREES REMARK 500 DA B 18 OP1 - P - OP2 ANGL. DEV. = 9.2 DEGREES REMARK 500 DA B 18 O5' - P - OP2 ANGL. DEV. = -5.6 DEGREES REMARK 500 DC B 21 OP1 - P - OP2 ANGL. DEV. = 9.1 DEGREES REMARK 500 DC B 21 C1' - O4' - C4' ANGL. DEV. = -6.5 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 DC A 9 0.07 SIDE CHAIN REMARK 500 DC A 11 0.06 SIDE CHAIN REMARK 500 DC B 23 0.09 SIDE CHAIN REMARK 500 DG B 24 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 180 DISTANCE = 6.52 ANGSTROMS 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 RH A 102 RH1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA A 5 N7 REMARK 620 2 HOH A 243 O 99.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 208 O REMARK 620 2 HOH A 211 O 92.3 REMARK 620 3 HOH A 213 O 173.0 92.4 REMARK 620 4 HOH A 222 O 92.1 88.9 93.2 REMARK 620 5 HOH A 235 O 87.2 88.8 87.8 177.5 REMARK 620 6 HOH B 131 O 87.3 177.5 87.8 93.6 88.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 RH A 103 RH1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 256 O REMARK 620 2 HOH B 180 O 107.5 REMARK 620 N 1 DBREF 8CE2 A 1 12 PDB 8CE2 8CE2 1 12 DBREF 8CE2 B 13 24 PDB 8CE2 8CE2 13 24 SEQRES 1 A 12 DC DG DC DG DA DA DT DT DC DG DC DG SEQRES 1 B 12 DC DG DC DG DA DA DT DT DC DG DC DG HET MG A 101 1 HET RH A 102 1 HET RH A 103 1 HET CL A 104 1 HETNAM MG MAGNESIUM ION HETNAM RH RHODIUM HETNAM CL CHLORIDE ION FORMUL 3 MG MG 2+ FORMUL 4 RH 2(RH 1+) FORMUL 6 CL CL 1- FORMUL 7 HOH *168(H2 O) LINK N7 DA A 5 RH1 RH A 102 1555 1555 2.61 LINK MG MG A 101 O HOH A 208 1555 1555 2.04 LINK MG MG A 101 O HOH A 211 1555 1555 2.06 LINK MG MG A 101 O HOH A 213 1555 1555 2.05 LINK MG MG A 101 O HOH A 222 1555 1555 2.05 LINK MG MG A 101 O HOH A 235 1555 1555 2.10 LINK MG MG A 101 O HOH B 131 1555 1555 2.06 LINK RH1 RH A 102 O HOH A 243 1555 1555 2.48 LINK RH1 RH A 103 O HOH A 256 1555 1555 2.58 LINK RH1 RH A 103 O HOH B 180 1555 1555 2.29 CRYST1 25.530 40.310 65.710 90.00 90.00 90.00 P 21 21 21 8 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 0.039170 0.000000 0.000000 0.00000 SCALE2 0.000000 0.024808 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015218 0.00000