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(-) Description

Title :  MOLECULAR AND CRYSTAL STRUCTURE OF D(CGCGAATT(MO4)CGCG): THE WATSON-CRICK TYPE AND WOBBLE N4-METHOXYCYTIDINE/GUANOSINE BASE PAIRS IN B-DNA
 
Authors :  M. T. Hossain, T. Hikima, T. Chatake, T. Masaru, T. Sunami, Y. Ueno, A. Matsuda, A. Takenaka
Date :  16 Feb 01  (Deposition) - 14 Sep 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  N4-Methoxycytosine, Damaged Dna, B-Dna, Double Helix, Deoxyribonucleic Acid (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. T. Hossain, T. Chatake, T. Hikima, M. Tsunoda, T. Sunami, Y. Ueno, A. Matsuda, A. Takenaka
Crystallographic Studies On Damaged Dnas: Iii. N(4)-Methoxycytosine Can Form Both Watson-Crick Type And Wobbled Base Pairs In A B-Form Duplex.
J. Biochem. (Tokyo) V. 130 9 2001
PubMed-ID: 11432773
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 5'-D(*CP*GP*CP*GP*AP*AP*TP*TP*(C45)P*GP*CP*GP)- 3'
    Chains: A, B
    Engineered: YES
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1C452Mod. NucleotideN4-METHOXY-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE
2MG1Ligand/IonMAGNESIUM ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH A:106 , HOH A:107 , HOH A:108 , HOH B:106 , HOH B:107 , HOH B:108BINDING SITE FOR RESIDUE MG A 105

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1I3T)

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
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Chain A from PDB  Type:DNA  Length:12
                                           
                  1i3t A  1 CGCGAATTcGCG 12
                                    10  
                                    9-C45


Chain B from PDB  Type:DNA  Length:12
                                           
                  1i3t B 13 CGCGAATTcGCG 24
                                    22  
                                   21-C45
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 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 1I3T)

(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (0, 0)

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