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(-) Description

Title :  COBALT HEXAMMINE INDUCED TAUTAMERIC SHIFT IN Z-DNA: STRUCTURE OF D(CGCGCA).D(TGCGCG) IN TWO CRYSTAL FORMS.
 
Authors :  S. Thiyagarajan, S. S. Rajan, N. Gautham
Date :  26 Aug 04  (Deposition) - 16 Nov 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.86
Chains :  Asym. Unit :  A,B,D,E
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  D,E  (3x)
Keywords :  Double Helix, Z-Dna (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. Thiyagarajan, S. S. Rajan, N. Gautham
Cobalt Hexammine Induced Tautomeric Shift In Z-Dna: The Structure Of D(Cgcgca)*D(Tgcgcg) In Two Crystal Forms.
Nucleic Acids Res. V. 32 5945 2004
PubMed-ID: 15534365  |  Reference-DOI: 10.1093/NAR/GKH919
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CGCGCA
    ChainsA
    EngineeredYES
    SyntheticYES
 
Molecule 2 - TGCGCG
    ChainsB
    EngineeredYES
    SyntheticYES
 
Molecule 3 - TG
    ChainsD, E
    EngineeredYES
    SyntheticYES

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABDE
Biological Unit 1 (1x)AB  
Biological Unit 2 (3x)  DE

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1NCO1Ligand/IonCOBALT HEXAMMINE(III)
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1NCO-1Ligand/IonCOBALT HEXAMMINE(III)
Biological Unit 2 (1, 3)
No.NameCountTypeFull Name
1NCO3Ligand/IonCOBALT HEXAMMINE(III)

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREDC A:1 , DT B:7 , DC B:11 , DG B:12 , DG D:14 , DT E:15 , DG E:16BINDING SITE FOR RESIDUE NCO E 21

(-) SS Bonds  (0, 0)

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(-) Sequences/Alignments

Asymmetric Unit
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Chain A from PDB  Type:DNA  Length:6
                                     
                  1xam A  1 CGCGCA  6

Chain B from PDB  Type:DNA  Length:6
                                     
                  1xam B  7 TGCGCG 12

Chain D from PDB  Type:DNA  Length:2
                                 
                  1xam D 13 TG 14

Chain E from PDB  Type:DNA  Length:2
                                 
                  1xam E 15 TG 16

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(-) Related Entries Specified in the PDB File

1xa2 THE SAME SEQUENCE IN DIFFERENT SPACE GROUP.