HEADER DNA 12-FEB-09 2KF8 TITLE STRUCTURE OF A TWO-G-TETRAD BASKET-TYPE INTRAMOLECULAR G-QUADRUPLEX TITLE 2 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-QUADRUPLEXES, KEYWDS 2 DNA EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR K.W.LIM,S.AMRANE,S.BOUAZIZ,W.XU,Y.MU,D.J.PATEL,K.N.LUU,A.T.PHAN REVDAT 3 01-MAY-24 2KF8 1 REMARK 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,K.N.LUU, JRNL AUTH 2 A.T.PHAN JRNL TITL STRUCTURE OF THE HUMAN TELOMERE IN K+ SOLUTION: A STABLE JRNL TITL 2 BASKET-TYPE G-QUADRUPLEX WITH ONLY TWO 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 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : FELIX 2007, X-PLOR NIH 2.21 REMARK 3 AUTHORS : FELIX NMR, INC. (FELIX), SCHWIETERS, KUSZEWSKI, REMARK 3 TJANDRA, CLORE (X-PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THIS NATURAL SEQUENCE EXHIBITS THE SAME REMARK 3 CONFORMATION AS THE 7BRG-SUBSTITUTED SEQUENCE, WHICH HAS A MUCH REMARK 3 CLEANER NMR SPECTRUM. 10 RELAXATION MATRIX INTENSITY-REFINED REMARK 3 STRUCTURES OF THE 7BRG FORM WITH THE LOWEST ENERGY WERE TAKEN, REMARK 3 THE BROMINE ATOMS WERE REPLACED WITH HYDROGEN ATOMS, AND THE REMARK 3 STRUCTURES WERE SUBSEQUENTLY SUBJECTED TO DISTANCE-RETRAINED REMARK 3 MOLECULAR DYNAMICS REFINEMENT. REMARK 4 REMARK 4 2KF8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-FEB-09. REMARK 100 THE DEPOSITION ID IS D_1000101047. 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' REMARK 210 -D(*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')-1, 70MM POTASSIUM CHLORIDE-2, REMARK 210 20MM POTASSIUM PHOSPHATE-3, 90% H2O/10% D2O; 0.5-2.5MM DNA (5'- REMARK 210 D(*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 TOCSY; REMARK 210 2D 1H-1H COSY; 2D 1H-1H 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 : TOPSPIN, X-PLOR 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 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 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 O4 DT A 11 H3 DT A 22 1.47 REMARK 500 REMARK 500 REMARK: NULL 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 PRESENCE REMARK 900 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 CATIONS REMARK 900 16BRG FORM 1 REMARK 900 RELATED ID: 2JSL RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K CATIONS REMARK 900 NATURAL FORM 2 REMARK 900 RELATED ID: 2JSM RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K CATIONS REMARK 900 NATURAL FORM 1 REMARK 900 RELATED ID: 2JSQ RELATED DB: PDB REMARK 900 HUMAN TELOMERE DNA SOLUTION STRUCTURE IN THE PRESENCE OF K CATIONS REMARK 900 FORM 2 15BRG REMARK 900 RELATED ID: 2KF7 RELATED DB: PDB REMARK 900 STRUCTURE OF A TWO-G-TETRAD BASKET-TYPE INTRAMOLECULAR G-QUADRUPLEX REMARK 900 FORMED BY HUMAN TELOMERIC REPEATS IN K+ SOLUTION (WITH G7-TO-BRG REMARK 900 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 MODEL 1