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(-) Description

Title :  THE 1.2 ANGSTROEM CRYSTAL STRUCTURE OF AN E.COLI TRNASER ACCEPTOR STEM MICROHELIX REVEALS TWO MAGNESIUM BINDING SITES
 
Authors :  A. Eichert, J. P. Furste, A. Schreiber, M. Perbandt, C. Betzel, V. A. Erdmann, C. Forster
Date :  31 Mar 09  (Deposition) - 28 Jul 09  (Release) - 28 Jul 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Trnaser/Seryl-Trna-Synthetase, Trna Acceptor Stem Microhelix, X-Ray Structure, Identity Elements, Rna Hydration, Magnesium Binding Sites (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Eichert, J. P. Furste, A. Schreiber, M. Perbandt, C. Betzel, V. A. Erdmann, C. Forster
The 1. 2A Crystal Structure Of An E. Coli Trnaser)Acceptor Stem Microhelix Reveals Two Magnesium Binding Sites.
Biochem. Biophys. Res. Commun. V. 386 368 2009
PubMed-ID: 19527687  |  Reference-DOI: 10.1016/J.BBRC.2009.06.048
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 5'-R(*GP*GP*UP*GP*AP*GP*G)-3'
    Chains: A
    Engineered: YES
    Other Details: THIS SEQUENCE OCCURS NATURALLY IN E.COLI.
    Synonym: TRNASER ACCEPTOR STEM MICROHELIX (RS-1661)
    Synthetic: YES
 
Molecule 2 - 5'-R(*CP*CP*UP*CP*AP*CP*C)-3'
    Chains: B
    Engineered: YES
    Other Details: THIS SEQUENCE OCCURS NATURALLY IN E.COLI.
    Synonym: TRNASER ACCEPTOR STEM MICROHELIX (RS-1661)
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1MG2Ligand/IonMAGNESIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH A:12 , HOH A:14 , HOH A:77 , HOH A:94 , HOH A:96BINDING SITE FOR RESIDUE MG A 8
2AC2SOFTWAREHOH A:15 , HOH A:16 , HOH A:21 , HOH A:40 , HOH B:2 , HOH B:46 , A B:70BINDING SITE FOR RESIDUE MG A 9

(-) SS Bonds  (0, 0)

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 Sequence-Structure Mapping

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(-) Sequences/Alignments

Asymmetric/Biological Unit
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Chain A from PDB  Type:RNA  Length:7
                                      
                  3gvn A  1 GGUGAGG  7


Chain B from PDB  Type:RNA  Length:7
                                      
                  3gvn B 66 CCUCACC 72
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 Classification and Annotation

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(-) Gene Ontology  (0, 0)

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

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(-) Related Entries Specified in the PDB File

1ser TRNASER ISOACCEPTOR COMPLEXED WITH CORRESPONDING AMINOACYL- TRNA-SYNTHETASE
2v6w TRNASER ISOACCEPTOR