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(-) Description

Title :  NMR STRUCTURE OF THE CYANOBACTERIAL METALLOTHIONEIN SMTA
 
Authors :  P. J. Sadler, N. J. Robinson
Date :  04 Jul 01  (Deposition) - 22 Aug 01  (Release) - 13 Jul 11  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
NMR Structure *:  A  (1x)
Keywords :  Zinc Finger, Zinc Cluster, Metallothionein, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. A. Blindauer, M. D. Harrison, J. A. Parkinson, A. K. Robinson, J. S. Cavet, N. J. Robinson, P. J. Sadler
A Metallothionein Containing A Zinc Finger Within A Four-Metal Cluster Protects A Bacterium From Zinc Toxicity.
Proc. Natl. Acad. Sci. Usa V. 98 9593 2001
PubMed-ID: 11493688  |  Reference-DOI: 10.1073/PNAS.171120098

(-) Compounds

Molecule 1 - METALLOTHIONEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET29A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: SMTA
    Organism Scientific: SYNECHOCOCCUS ELONGATUS
    Organism Taxid: 1140
    Strain: PCC 7942
    Synonym: SMTA

 Structural Features

(-) Chains, Units

  1
NMR Structure : A
NMR Structure * (1x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

NMR Structure (1, 4)
No.NameCountTypeFull Name
1ZN4Ligand/IonZINC ION
NMR Structure * (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION

(-) Sites  (4, 4)

NMR Structure (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:9 , CYS A:14 , CYS A:32 , CYS A:36 , ZN A:103 , ZN A:104BINDING SITE FOR RESIDUE ZN A 101
2AC2SOFTWARECYS A:11 , CYS A:36 , HIS A:40 , CYS A:54BINDING SITE FOR RESIDUE ZN A 102
3AC3SOFTWARECYS A:14 , CYS A:16 , CYS A:32 , CYS A:47 , HIS A:49 , ZN A:101 , ZN A:104BINDING SITE FOR RESIDUE ZN A 103
4AC4SOFTWARECYS A:14 , CYS A:47 , CYS A:52 , CYS A:54 , ZN A:101 , ZN A:103BINDING SITE FOR RESIDUE ZN A 104

(-) SS Bonds  (0, 0)

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

(-) 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)

(no "Exon" information available for 1JJD)

(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:52
 aligned with MT_SYNE7 | P30331 from UniProtKB/Swiss-Prot  Length:56

    Alignment length:52
                                    14        24        34        44        54  
              MT_SYNE7    5 TLVKCACEPCLCNVDPSKAIDRNGLYYCSEACADGHTGGSKGCGHTGCNCHG 56
               SCOP domains d1jjda_ A: Cyanobacterial metallothionein SmtA       SCOP domains
               CATH domains 1jjdA00 A:5-56  [code=2.30.170.10, no name defined]  CATH domains
               Pfam domains Metallothio_Pro-1jjdA01 A:5-54                    -- Pfam domains
         Sec.struct. author ...................ee....ee.hhhhhhh................. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------- Transcript
                  1jjd A  5 TLVKCACEPCLCNVDPSKAIDRNGLYYCSEACADGHTGGSKGCGHTGCNCHG 56
                                    14        24        34        44        54
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

NMR Structure
(-)
Class: Small proteins (3458)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: Metallothionein (8)

(-) Gene Ontology  (1, 1)

NMR Structure(hide GO term definitions)
Chain A   (MT_SYNE7 | P30331)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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