3G2A - Header Asymmetric Unit

HEADER DNA 31-JAN-09 3G2A

TITLE CRYSTAL STRUCTURE OF D(CACGCG).D(CGCGTG) GROWN IN PRESENCE TITLE 2 OF 1MM MNCL2

COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*AP*CP*GP*CP*G)-3'; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 5'-D(*CP*GP*CP*GP*TP*G)-3'; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES

KEYWDS DOUBLE HELICAL Z FORM DNA

EXPDTA X-RAY DIFFRACTION

AUTHOR S.VENKADESH,P.K.MANDAL,R.KANNAN,N.GAUTHAM

REVDAT 1 03-MAR-09 3G2A 0

JRNL AUTH S.VENKADESH,P.K.MANDAL,N.GAUTHAM JRNL TITL CRYSTAL STRUCTURES OF D(CACGCG).D(CGCGTG) JRNL TITL 2 COCRYSTALLIZED WITH MNCL2 JRNL REF TO BE PUBLISHED JRNL REFN

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 1711 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 + TEST SET) : 0.239 REMARK 3 R VALUE (WORKING SET) : 0.239 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.300 REMARK 3 FREE R VALUE TEST SET COUNT : 77 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 123 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.22 REMARK 3 BIN R VALUE (WORKING SET) : 0.3290 REMARK 3 BIN FREE R VALUE SET COUNT : 4 REMARK 3 BIN FREE R VALUE : 0.1050 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 : 0 REMARK 3 SOLVENT ATOMS : 24 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.66 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.70000 REMARK 3 B22 (A**2) : -0.57000 REMARK 3 B33 (A**2) : 1.27000 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): 0.263 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.195 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.146 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.557 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.905 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.965 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 268 ; 0.027 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 410 ; 3.767 ; 3.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL 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): 46 ; 0.177 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 126 ; 0.016 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 84 ; 0.182 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 150 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 4 ; 0.116 ; 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): 7 ; 0.183 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 4 ; 0.113 ; 0.200 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 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED 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 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: NULL

REMARK 4 REMARK 4 3G2A COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 05-FEB-09. REMARK 100 THE RCSB ID CODE IS RCSB051332.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-SEP-08 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.99 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOMAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 1819 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.2 REMARK 200 DATA REDUNDANCY : 4.560 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : 0.08960 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 4.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 4.69 REMARK 200 R MERGE FOR SHELL (I) : 0.28860 REMARK 200 R SYM FOR SHELL (I) : 0.25800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM SODIUM CACODYLATE, 1MM MNCL2, REMARK 280 1MM SPERMINE, 50% METHYL PENTANE DIOL, PH 6.99, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K

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 8.91750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.36550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 15.45350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 22.36550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 8.91750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 15.45350 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 2340 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 KCAL/MOL 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: 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 DA A 2 C4 DA A 2 C5 -0.043 REMARK 500 DC A 3 O3' DC A 3 C3' -0.048 REMARK 500 DG A 4 C4 DG A 4 C5 -0.057 REMARK 500 DG A 4 N9 DG A 4 C4 0.060 REMARK 500 DC A 5 C1' DC A 5 N1 -0.092 REMARK 500 DC A 5 N1 DC A 5 C6 -0.047 REMARK 500 DC A 5 C2 DC A 5 N3 -0.057 REMARK 500 DC A 5 N3 DC A 5 C4 -0.058 REMARK 500 DC A 5 C4 DC A 5 C5 -0.049 REMARK 500 DG A 6 C2 DG A 6 N3 -0.057 REMARK 500 DC B 7 C2 DC B 7 O2 -0.055 REMARK 500 DG B 8 C4 DG B 8 C5 -0.064 REMARK 500 DG B 8 C5 DG B 8 N7 -0.044 REMARK 500 DG B 8 C8 DG B 8 N9 -0.048 REMARK 500 DC B 9 N1 DC B 9 C6 -0.038 REMARK 500 DC B 9 C5 DC B 9 C6 -0.055 REMARK 500 DG B 10 C4 DG B 10 C5 -0.043 REMARK 500 DG B 10 N7 DG B 10 C8 -0.037 REMARK 500 DG B 10 C8 DG B 10 N9 -0.068 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 C2 - N3 - C4 ANGL. DEV. = -3.2 DEGREES REMARK 500 DC A 1 N3 - C4 - C5 ANGL. DEV. = 3.8 DEGREES REMARK 500 DC A 1 N3 - C2 - O2 ANGL. DEV. = -5.2 DEGREES REMARK 500 DA A 2 O5' - P - OP2 ANGL. DEV. = -6.5 DEGREES REMARK 500 DA A 2 O4' - C4' - C3' ANGL. DEV. = -4.7 DEGREES REMARK 500 DA A 2 C5' - C4' - O4' ANGL. DEV. = -13.7 DEGREES REMARK 500 DA A 2 O4' - C1' - C2' ANGL. DEV. = 6.2 DEGREES REMARK 500 DA A 2 O4' - C1' - N9 ANGL. DEV. = -5.2 DEGREES REMARK 500 DA A 2 C6 - N1 - C2 ANGL. DEV. = 4.1 DEGREES REMARK 500 DA A 2 N1 - C2 - N3 ANGL. DEV. = -5.5 DEGREES REMARK 500 DA A 2 C4 - C5 - N7 ANGL. DEV. = 5.8 DEGREES REMARK 500 DA A 2 N7 - C8 - N9 ANGL. DEV. = -3.6 DEGREES REMARK 500 DA A 2 C8 - N9 - C4 ANGL. DEV. = 4.0 DEGREES REMARK 500 DA A 2 N9 - C4 - C5 ANGL. DEV. = -6.1 DEGREES REMARK 500 DA A 2 C6 - C5 - N7 ANGL. DEV. = -4.4 DEGREES REMARK 500 DA A 2 N1 - C6 - N6 ANGL. DEV. = 6.2 DEGREES REMARK 500 DA A 2 C5 - C6 - N6 ANGL. DEV. = -5.8 DEGREES REMARK 500 DC A 3 C4' - C3' - C2' ANGL. DEV. = 6.5 DEGREES REMARK 500 DC A 3 C3' - C2' - C1' ANGL. DEV. = -5.0 DEGREES REMARK 500 DC A 3 O4' - C1' - C2' ANGL. DEV. = 3.2 DEGREES REMARK 500 DC A 3 N1 - C2 - O2 ANGL. DEV. = 3.6 DEGREES REMARK 500 DG A 4 C1' - O4' - C4' ANGL. DEV. = 4.3 DEGREES REMARK 500 DG A 4 C2 - N3 - C4 ANGL. DEV. = 3.7 DEGREES REMARK 500 DG A 4 N3 - C4 - C5 ANGL. DEV. = -5.3 DEGREES REMARK 500 DG A 4 C5 - C6 - N1 ANGL. DEV. = 3.3 DEGREES REMARK 500 DG A 4 N3 - C4 - N9 ANGL. DEV. = 6.7 DEGREES REMARK 500 DG A 4 C5 - C6 - O6 ANGL. DEV. = -5.8 DEGREES REMARK 500 DC A 5 C1' - O4' - C4' ANGL. DEV. = -7.7 DEGREES REMARK 500 DC A 5 C3' - C2' - C1' ANGL. DEV. = -6.4 DEGREES REMARK 500 DC A 5 N3 - C4 - C5 ANGL. DEV. = 3.6 DEGREES REMARK 500 DC A 5 O3' - P - OP2 ANGL. DEV. = 6.8 DEGREES REMARK 500 DG A 6 O4' - C1' - N9 ANGL. DEV. = -4.8 DEGREES REMARK 500 DG A 6 C2 - N3 - C4 ANGL. DEV. = 5.1 DEGREES REMARK 500 DG A 6 C5 - N7 - C8 ANGL. DEV. = 4.1 DEGREES REMARK 500 DG A 6 N7 - C8 - N9 ANGL. DEV. = -3.2 DEGREES REMARK 500 DG A 6 C6 - C5 - N7 ANGL. DEV. = 4.1 DEGREES REMARK 500 DG A 6 N1 - C6 - O6 ANGL. DEV. = -5.1 DEGREES REMARK 500 DG B 8 O4' - C1' - C2' ANGL. DEV. = 3.6 DEGREES REMARK 500 DG B 8 O4' - C1' - N9 ANGL. DEV. = -6.6 DEGREES REMARK 500 DG B 8 C2 - N3 - C4 ANGL. DEV. = 5.3 DEGREES REMARK 500 DG B 8 N3 - C4 - C5 ANGL. DEV. = -3.7 DEGREES REMARK 500 DC B 7 C3' - O3' - P ANGL. DEV. = 8.5 DEGREES REMARK 500 DC B 9 O4' - C4' - C3' ANGL. DEV. = 4.3 DEGREES REMARK 500 DC B 9 C2 - N3 - C4 ANGL. DEV. = 4.2 DEGREES REMARK 500 DC B 9 N3 - C4 - C5 ANGL. DEV. = -2.8 DEGREES REMARK 500 DG B 10 C2 - N3 - C4 ANGL. DEV. = 4.3 DEGREES REMARK 500 DG B 10 N3 - C4 - C5 ANGL. DEV. = -3.3 DEGREES REMARK 500 DG B 10 N3 - C4 - N9 ANGL. DEV. = 3.8 DEGREES REMARK 500 DC B 9 C3' - O3' - P ANGL. DEV. = 10.4 DEGREES REMARK 500 DT B 11 C3' - C2' - C1' ANGL. DEV. = -6.2 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 59 ANGLE DEVIATIONS. 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 DA A 2 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 14 DISTANCE = 6.33 ANGSTROMS

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3FQ5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF D(CACGCG).D(CGCGTG) GROWN WITH REMARK 900 DIFFERENT COUNTER IONS. REMARK 900 RELATED ID: 3G2R RELATED DB: PDB

DBREF 3G2A A 1 6 PDB 3G2A 3G2A 1 6 DBREF 3G2A B 7 12 PDB 3G2A 3G2A 7 12

SEQRES 1 A 6 DC DA DC DG DC DG SEQRES 1 B 6 DC DG DC DG DT DG

FORMUL 3 HOH *24(H2 O)

CRYST1 17.835 30.907 44.731 90.00 90.00 90.00 P 21 21 21 4

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 0.056070 0.000000 0.000000 0.00000

SCALE2 0.000000 0.032355 0.000000 0.00000

SCALE3 0.000000 0.000000 0.022356 0.00000