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(-) Description

Title :  THE FIRST CRYSTAL STRUCTURE OF A HUMAN TELOMERIC G-QUADRUPLEX DNA BOUND TO A METAL-CONTAINING LIGAND (A NICKEL COMPLEX)
 
Authors :  N. H. Campbell, N. H. Abd Karim, G. N. Parkinson, R. Vilar, S. Neidle
Date :  21 Feb 11  (Deposition) - 07 Dec 11  (Release) - 18 Apr 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym. Unit :  X
Biol. Unit 1:  X  (2x)
Keywords :  Parallel, Telomere, Nickel, Drug, Dna, Metal Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. H. Campbell, N. H. Karim, G. N. Parkinson, M. Gunaratnam, V. Petrucci, A. K. Todd, R. Vilar, S. Neidle
Molecular Basis Of Structure-Activity Relationships Between Salphen Metal Complexes And Human Telomeric Dna Quadruplexes.
J. Med. Chem. V. 55 209 2012
PubMed-ID: 22112241  |  Reference-DOI: 10.1021/JM201140V

(-) Compounds

Molecule 1 - 5'-D(*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*T)-3'
    Chains: X
    Engineered: YES
    Other Details: HUMAN TELOMERIC G-QUADRUPLEX DNA
    Other Details - Source: THIS SEQUENCE OCCURS NATURALLY IN HUMANS
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : X
Biological Unit 1 (2x): X

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
1K3Ligand/IonPOTASSIUM ION
2NUF1Ligand/Ion[2,2'-{(4,5-DIFLUOROBENZENE-1,2-DIYL)BIS[(NITRILO-KAPPAN)METHYLYLIDENE]}BIS{5-[2-(PIPERIDIN-1-YL)ETHOXY]PHENOLATO-KAPPAO}(2-)]NICKEL (II)
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1K-1Ligand/IonPOTASSIUM ION
2NUF2Ligand/Ion[2,2'-{(4,5-DIFLUOROBENZENE-1,2-DIYL)BIS[(NITRILO-KAPPAN)METHYLYLIDENE]}BIS{5-[2-(PIPERIDIN-1-YL)ETHOXY]PHENOLATO-KAPPAO}(2-)]NICKEL (II)

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREDG X:1003 , DG X:1004 , DG X:1009 , DG X:1010 , K X:2014BINDING SITE FOR RESIDUE K X 2013
2AC2SOFTWAREDG X:1002 , DG X:1003 , DG X:1008 , DG X:1009 , K X:2013 , K X:2015BINDING SITE FOR RESIDUE K X 2014
3AC3SOFTWAREDG X:1002 , DG X:1008 , K X:2014BINDING SITE FOR RESIDUE K X 2015
4AC4SOFTWAREDG X:1004 , DT X:1005 , DG X:1010 , DT X:1011BINDING SITE FOR RESIDUE NUF X 3016

(-) SS Bonds  (0, 0)

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 Sequence-Structure Mapping

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(-) Sequences/Alignments

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Chain X from PDB  Type:DNA  Length:11
                                            
                3qsf X 1001 AGGGTTAGGGT 1011
                                  1010
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

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(-) Related Entries Specified in the PDB File

1k8p THE SAME HUMAN TELOMERIC G-QUADRUPLEX IN ITS NATIVE (LIGAND -FREE) FORM.
1kf1 THE SAME HUMAN TELOMERIC G-QUADRUPLEX IN ITS NATIVE (LIGAND -FREE) FORM.
2hri THE SAME HUMAN TELOMERIC G-QUADRUPLEX BOUND TO A PORPHYRIN LIGAND.
3cco THE SAME HUMAN TELOMERIC G-QUADRUPLEX BOUND TO A NAPHTHALENE DIIMIDE LIGAND.
3cdm THE SAME HUMAN TELOMERIC G-QUADRUPLEX BOUND TO A NAPHTHALENE DIIMIDE LIGAND.
3ce5 THE SAME HUMAN TELOMERIC G-QUADRUPLEX BOUND TO AN ACRIDINE LIGAND (BRACO19)
3qsc THE SAME HUMAN TELOMERIC G-QUADRUPLEX BOUND TO A SIMILAR METAL-CONTAINING LIGAND (A COPPER COMPLEX).