2KF8 - Header Asymmetric Unit

HEADER DNA 12-FEB-09 2KF8

TITLE STRUCTURE OF A TWO-G-TETRAD BASKET-TYPE INTRAMOLECULAR G- TITLE 2 QUADRUPLEX FORMED BY HUMAN TELOMERIC REPEATS IN K+ SOLUTION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUMAN TELOMERE DNA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: NUCLEOTIDE SYNTHESIS

KEYWDS ANTICANCER TARGETS, HUMAN TELOMERE, INTRAMOLECULAR G- KEYWDS 2 QUADRUPLEXES, DNA

EXPDTA SOLUTION NMR

NUMMDL 10

AUTHOR K.W.LIM,S.AMRANE,S.BOUAZIZ,W.XU,Y.MU,D.J.PATEL,K.N.LUU, AUTHOR 2 A.T.PHAN

REVDAT 2 07-APR-09 2KF8 1 JRNL REVDAT 1 24-MAR-09 2KF8 0

JRNL AUTH K.W.LIM,S.AMRANE,S.BOUAZIZ,W.XU,Y.MU,D.J.PATEL, JRNL AUTH 2 K.N.LUU,A.T.PHAN JRNL TITL STRUCTURE OF THE HUMAN TELOMERE IN K+ SOLUTION: A JRNL TITL 2 STABLE BASKET-TYPE G-QUADRUPLEX WITH ONLY TWO JRNL TITL 3 G-TETRAD LAYERS JRNL REF J.AM.CHEM.SOC. V. 131 4301 2009 JRNL REFN ISSN 0002-7863 JRNL PMID 19271707 JRNL DOI 10.1021/JA807503G

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR_NIH 2.21 REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA, CLORE REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THIS NATURAL SEQUENCE EXHIBITS THE REMARK 3 SAME CONFORMATION AS THE 7BRG-SUBSTITUTED SEQUENCE, WHICH HAS REMARK 3 A MUCH CLEANER NMR SPECTRUM. 10 RELAXATION MATRIX INTENSITY- REMARK 3 REFINED STRUCTURES OF THE 7BRG FORM WITH THE LOWEST ENERGY REMARK 3 WERE TAKEN, THE BROMINE ATOMS WERE REPLACED WITH HYDROGEN REMARK 3 ATOMS, AND THE STRUCTURES WERE SUBSEQUENTLY SUBJECTED TO REMARK 3 DISTANCE-RETRAINED MOLECULAR DYNAMICS REFINEMENT.

REMARK 4 REMARK 4 2KF8 COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-FEB-09. REMARK 100 THE RCSB ID CODE IS RCSB101047.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 0.5-2.5MM DNA (5'-D(*DGP*DGP* REMARK 210 DGP*DTP*DTP*DAP*DGP*DGP*DGP*DTP*DTP*DAP*DGP*DGP*DGP*DTP*DTP* REMARK 210 DAP*DGP*DGP*DGP*DT)-3')-1, 70MM POTASSIUM CHLORIDE-2, 20MM REMARK 210 POTASSIUM PHOSPHATE-3, 90% H2O/10% D2O; 0.5-2.5MM DNA (5'-D(* REMARK 210 DGP*DGP*DGP*DTP*DTP*DAP*DGP*DGP*DGP*DTP*DTP*DAP*DGP*DGP*DGP* REMARK 210 DTP*DTP*DAP*DGP*DGP*DGP*DT)-3')-4, 70MM POTASSIUM CHLORIDE-5, REMARK 210 20MM POTASSIUM PHOSPHATE-6, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-13C HSQC, 2D 1H-1H REMARK 210 TOCSY, 2D 1H-1H COSY, 2D 1H-1H REMARK 210 NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ, 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE, INOVA REMARK 210 SPECTROMETER MANUFACTURER : BRUKER, VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 2007, TOPSPIN, X-PLOR_ REMARK 210 NIH 2.21 REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 10 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 REMARK 210 CONFORMERS, SELECTION CRITERIA : ALL CALCULATED STRUCTURES REMARK 210 SUBMITTED 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 143D RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF NA REMARK 900 RELATED ID: 1K8P RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA CRYSTAL STRUCTURE IN THE PRESENCE OF K REMARK 900 RELATED ID: 2GKU RELATED DB: PDB REMARK 900 END-MODIFIED HUMAN TELOMERE DNA CRYSTAL STRUCTURE IN THE REMARK 900 PRESENCE OF K REMARK 900 RELATED ID: 2AQY RELATED DB: PDB REMARK 900 3 REPEATS OF HUMAN TELOMERE DNA SOLUTION STRUCTURE REMARK 900 RELATED ID: 2JSK RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K REMARK 900 CATIONS 16BRG FORM 1 REMARK 900 RELATED ID: 2JSL RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K REMARK 900 CATIONS NATURAL FORM 2 REMARK 900 RELATED ID: 2JSM RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K REMARK 900 CATIONS NATURAL FORM 1 REMARK 900 RELATED ID: 2JSQ RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K REMARK 900 CATIONS FORM 2 15BRG REMARK 900 RELATED ID: 2KF7 RELATED DB: PDB REMARK 900 STRUCTURE OF A TWO-G-TETRAD BASKET-TYPE INTRAMOLECULAR G- REMARK 900 QUADRUPLEX FORMED BY HUMAN TELOMERIC REPEATS IN K+ SOLUTION REMARK 900 (WITH G7-TO-BRG SUBSTITUTION)

DBREF 2KF8 A 1 22 PDB 2KF8 2KF8 1 22

SEQRES 1 A 22 DG DG DG DT DT DA DG DG DG DT DT DA DG SEQRES 2 A 22 DG DG DT DT DA DG DG DG DT

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