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(-) Description

Title :  CRYSTAL STRUCTURE OF TRICYCLO-DNA: AN UNUSUAL COMPENSATORY CHANGE OF TWO ADJACENT BACKBONE TORSION ANGLES
 
Authors :  P. S. Pallan, D. Ittig, A. Heroux, Z. Wawrzak, C. J. Leumann, M. Egli
Date :  27 Sep 07  (Deposition) - 12 Feb 08  (Release) - 10 Nov 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.75
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Dna Duplex, X-Ray Crystal Structure, Tricyclo-Dna, Conformationally Constrained Dna Analog (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. S. Pallan, D. Ittig, A. Heroux, Z. Wawrzak, C. J. Leumann, M. Egli
Crystal Structure Of Tricyclo-Dna: An Unusual Compensatory Change Of Two Adjacent Backbone Torsion Angles.
Chem. Commun. (Camb. ) V. 2008 883 2008
PubMed-ID: 18253536  |  Reference-DOI: 10.1039/B716390H
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 5'-D(CGCG(TCY)ATTCGCG)-3'
    Chains: A, B
    Engineered: YES
    Other Details: CHEMICALLY SYNTHESIZED MODIFIED OLIGODEOXYRIBONUCLEOTIDE (DNA)
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric/Biological Unit (3, 4)
No.NameCountTypeFull Name
1SPM1Ligand/IonSPERMINE
2TCY2Mod. Nucleotide(2R,3AS,4AR,5AR,5BS)-2-(6-AMINO-9H-PURIN-9-YL)-3A-HYDROXYHEXAHYDROCYCLOPROPA[4,5]CYCLOPENTA[1,2-B]FURAN-5A(4H)-YL DIHYDROGEN PHOSPHATE
3ZN1Ligand/IonZINC ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREDC A:1 , DC A:11 , DG A:12 , DC B:1 , DC B:11 , DG B:12BINDING SITE FOR RESIDUE ZN B 308
2AC2SOFTWAREDG A:2 , DC A:11 , DG B:2 , DC B:11 , HOH B:257 , HOH B:293BINDING SITE FOR RESIDUE SPM B 309

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2RF3)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2RF3)

 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)
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Chain A from PDB  Type:DNA  Length:12
                                           
                  2rf3 A  1 CGCGaATTCGCG 12
                                |   10  
                                |       
                                5-TCY   


Chain B from PDB  Type:DNA  Length:12
                                           
                  2rf3 B  1 CGCGaATTCGCG 12
                                |   10  
                                5-TCY
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 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 2RF3)

(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (0, 0)

Asymmetric/Biological Unit(hide GO term definitions)
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 Related Entries

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