1M6A - Header Asymmetric Unit

HEADER DNA 15-JUL-02 1M6A

TITLE NMR STRUCTURE OF THE I-MOTIF TETRAMER FORMED BY XC2

COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*C)-3'; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES

KEYWDS ELEMENTARY I-MOTIF, NMR, MD, DNA

EXPDTA SOLUTION NMR

AUTHOR T.E.MALLIAVIN,K.SNOUSSI,J.-L.LEROY

REVDAT 3 24-FEB-09 1M6A 1 VERSN REVDAT 2 25-JAN-05 1M6A 1 JRNL REVDAT 1 07-AUG-02 1M6A 0

JRNL AUTH T.E.MALLIAVIN,K.SNOUSSI,J.-L.LEROY JRNL TITL THE NMR STRUCTURE OF [XD(C2)]4 INVESTIGATED BY JRNL TITL 2 MOLECULAR DYNAMICS SIMULATIONS JRNL REF MAGN.RESON.CHEM. V. 41 18 2003 JRNL REFN ISSN 0749-1581

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER, A.T. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1M6A COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB016651.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 273 REMARK 210 PH : 4.3 REMARK 210 IONIC STRENGTH : SODIUM COUNTER-ION REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 12 MM [XD(C2)]4 90% H2O, 10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 360 MHZ REMARK 210 SPECTROMETER MODEL : HOME-MADE REMARK 210 SPECTROMETER MANUFACTURER : HOME-MADE REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 95.0 REMARK 210 METHOD USED : SIMULATED ANNEALING, REMARK 210 MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 45 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : THE SUBMITTED CONFORMER MODEL REMARK 210 IS THE BEST STRUCTURE WITH THE REMARK 210 LOWEST ENERGY. REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL

REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS.

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. = 2.2 DEGREES REMARK 500 DC A 2 O4' - C1' - N1 ANGL. DEV. = 1.9 DEGREES REMARK 500 DC B 1 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DC B 2 O4' - C1' - N1 ANGL. DEV. = 1.9 DEGREES REMARK 500 DC C 1 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DC C 2 O4' - C1' - N1 ANGL. DEV. = 1.9 DEGREES REMARK 500 DC D 1 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DC D 2 O4' - C1' - N1 ANGL. DEV. = 1.9 DEGREES REMARK 500 REMARK 500 REMARK: NULL

DBREF 1M6A A 1 2 PDB 1M6A 1M6A 1 2 DBREF 1M6A B 1 2 PDB 1M6A 1M6A 1 2 DBREF 1M6A C 1 2 PDB 1M6A 1M6A 1 2 DBREF 1M6A D 1 2 PDB 1M6A 1M6A 1 2

SEQRES 1 A 2 DC DC SEQRES 1 B 2 DC DC SEQRES 1 C 2 DC DC SEQRES 1 D 2 DC DC

CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1

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 1.000000 0.000000 0.000000 0.00000

SCALE2 0.000000 1.000000 0.000000 0.00000

SCALE3 0.000000 0.000000 1.000000 0.00000