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(-) Description

Title :  STRUCTURE OF THE S-ADENOSYLMETHIONINE RIBOSWITCH MRNA REGULATORY ELEMENT
 
Authors :  R. K. Montange, R. T. Batey
Date :  29 Mar 06  (Deposition) - 04 Jul 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Mrna, Riboswitch, S-Adenosylmethionine, Sam, Rna-Ligand Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. K. Montange, R. T. Batey
Structure Of The S-Adenosylmethionine Riboswitch Regulatory Mrna Element.
Nature V. 441 1172 2006
PubMed-ID: 16810258  |  Reference-DOI: 10.1038/NATURE04819
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SAM-I RIBOSWITCH
    Chains: A
    Engineered: YES
    Other Details: THIS SEQUENCE WAS ENGINEERED BASED ON THE SAM-I RIBOSWITCH FROM THE METF-METH OPERON IN THERMOANAEROBACTER TENGCONGENSIS
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 7)

Asymmetric/Biological Unit (3, 7)
No.NameCountTypeFull Name
1IRI4Ligand/IonIRIDIUM HEXAMMINE ION
2MG2Ligand/IonMAGNESIUM ION
3SAM1Ligand/IonS-ADENOSYLMETHIONINE

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREA A:9 , A A:10 , U A:63 , U A:64BINDING SITE FOR RESIDUE MG A 205
2AC2SOFTWAREA A:84 , A A:85BINDING SITE FOR RESIDUE MG A 206
3AC3SOFTWAREC A:31 , G A:32 , A A:33 , U A:34 , HOH A:448BINDING SITE FOR RESIDUE IRI A 201
4AC4SOFTWAREG A:15 , G A:16 , U A:17 , G A:18 , A A:36 , A A:38BINDING SITE FOR RESIDUE IRI A 202
5AC5SOFTWAREG A:23 , C A:25 , U A:26 , G A:27 , G A:28 , C A:29BINDING SITE FOR RESIDUE IRI A 203
6AC6SOFTWAREU A:4 , U A:5 , A A:6 , U A:88 , G A:89 , HOH A:475BINDING SITE FOR RESIDUE IRI A 204
7AC7SOFTWAREU A:7 , G A:11 , A A:45 , A A:46 , C A:47 , U A:57 , G A:58 , C A:59 , U A:88 , G A:89 , HOH A:437BINDING SITE FOR RESIDUE SAM A 301

(-) SS Bonds  (0, 0)

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(-) Sequences/Alignments

Asymmetric/Biological Unit
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Chain A from PDB  Type:RNA  Length:94
                                                                                                                             
                  2gis A  1 GGCUUAUCAAGAGAGGUGGAGGGACUGGCCCGAUGAAACCCGGCAACCAGAAAUGGUGCCAAUUCCUGCAGCGGAAACGUUGAAAGAUGAGCCA 94
                                    10        20        30        40        50        60        70        80        90
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