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(-) Description

Title :  CRYSTAL STRUCTURE OF A TELOMERIC RNA G-QUADRUPLEX COMPLEXED WITH AN ACRIDINE-BASED LIGAND.
 
Authors :  G. W. Collie, S. Neidle, G. N. Parkinson
Date :  10 Apr 10  (Deposition) - 16 Feb 11  (Release) - 23 Mar 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Quadruplex, Rna-Ligand Complex, Rna, Telomeric (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. W. Collie, S. Sparapani, G. N. Parkinson, S. Neidle
Structural Basis Of Telomeric Rna Quadruplex-Acridine Ligan Recognition.
J. Am. Chem. Soc. V. 133 2721 2011
PubMed-ID: 21291211  |  Reference-DOI: 10.1021/JA109767Y

(-) Compounds

Molecule 1 - RNA (5'-R(*UP*AP*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')
    Chains: A
    Engineered: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Other Details: HUMAN TELOMERIC RNA SEQUENCE
    Other Details - Source: THIS SEQUENCE OCCURS NATURALLY IN HUMANS.
    Synthetic: YES

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric Unit (2, 3)
No.NameCountTypeFull Name
1K2Ligand/IonPOTASSIUM ION
2R141Ligand/IonN,N'-[ACRIDINE-3,6-DIYLBIS(1H-1,2,3-TRIAZOLE-1,4-DIYLBENZENE-3,1-DIYL)]BIS[3-(DIETHYLAMINO)PROPANAMIDE]
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1K-1Ligand/IonPOTASSIUM ION
2R142Ligand/IonN,N'-[ACRIDINE-3,6-DIYLBIS(1H-1,2,3-TRIAZOLE-1,4-DIYLBENZENE-3,1-DIYL)]BIS[3-(DIETHYLAMINO)PROPANAMIDE]

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREG A:4 , G A:5 , G A:10 , G A:11 , K A:22BINDING SITE FOR RESIDUE K A 21
2AC2SOFTWAREG A:3 , G A:4 , G A:9 , G A:10 , K A:21BINDING SITE FOR RESIDUE K A 22
3AC3SOFTWAREU A:1 , A A:2 , G A:3 , U A:6 , A A:8 , G A:9 , G A:10 , HOH A:45 , HOH A:48 , HOH A:54 , HOH A:56BINDING SITE FOR RESIDUE R14 A 30

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Chain A from PDB  Type:RNA  Length:12
                                           
                  3mij A  1 UAGGGUUAGGGU 12
                                    10
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