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(-) Description

Title :  X-RAY STRUCTURE OF A PSEUDOURIDINE-CONTAINING YEAST SPLICEOSOMAL U2 SNRNA-INTRON BRANCH SITE DUPLEX BOUND TO IODIDE IONS
 
Authors :  Y. Lin, C. L. Kielkopf
Date :  06 Mar 08  (Deposition) - 01 Jul 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.57
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Rna Double Helix, Branchpoint Sequence, Bps, U2 Snrna, Pseudouridine, Pre-Mrna Splicing (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  Y. Lin, C. L. Kielkopf
X-Ray Structures Of U2 Snrna-Branchpoint Duplexes Containing Conserved Pseudouridines.
Biochemistry V. 47 5503 2008
PubMed-ID: 18435545  |  Reference-DOI: 10.1021/BI7022392
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - RNA (5'-R(*GP*CP*GP*CP*GP*(PSU) P*AP*GP*UP*AP*GP*C)-3')
    Chains: A
    Engineered: YES
    Other Details: CENTRAL NUCLEOTIDES OF THIS SEQUENCE ARE HIGHLY CONSERVED IN YEAST U2 SNRNA
    Synthetic: YES
 
Molecule 2 - RNA (5'- R(*CP*GP*CP*UP*AP*CP*UP*AP*AP*CP*GP*CP*G)-3')
    Chains: B
    Engineered: YES
    Other Details: CENTRAL NUCLEOTIDES OF THIS SEQUENCE ARE HIGHLY CONSERVED IN YEAST PRE-MRNAS
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 5)

Asymmetric/Biological Unit (3, 5)
No.NameCountTypeFull Name
1IOD3Ligand/IonIODIDE ION
2PSU1Mod. NucleotidePSEUDOURIDINE-5'-MONOPHOSPHATE
3SO41Ligand/IonSULFATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH A:39 , HOH B:45 , HOH B:65BINDING SITE FOR RESIDUE SO4 A 13
2AC2SOFTWAREHOH B:38BINDING SITE FOR RESIDUE IOD A 14

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3CGP)

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric/Biological Unit
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:RNA  Length:12
                                           
                  3cgp A  1 GCGCGuAGUAGC 12
                                 |  10  
                                 6-PSU  


Chain B from PDB  Type:RNA  Length:13
                                            
                  3cgp B 13 CGCUACUAACGCG 25
                                    22
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 Classification and Annotation

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(-) Gene Ontology  (0, 0)

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 Related Entries

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(-) Related Entries Specified in the PDB File

3cgq 3cgr 3cgs