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Protein

Metallothionein B

Gene

mtb

Organism
Oncorhynchus mykiss (Rainbow trout) (Salmo gairdneri)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Metallothioneins have a high content of cysteine residues that bind various heavy metals.By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi4Divalent metal cation; cluster B1
Metal bindingi6Divalent metal cation; cluster B1
Metal bindingi12Divalent metal cation; cluster B1
Metal bindingi14Divalent metal cation; cluster B1
Metal bindingi18Divalent metal cation; cluster B1
Metal bindingi20Divalent metal cation; cluster B1
Metal bindingi23Divalent metal cation; cluster B1
Metal bindingi25Divalent metal cation; cluster B1
Metal bindingi28Divalent metal cation; cluster B1
Metal bindingi32Divalent metal cation; cluster A1
Metal bindingi33Divalent metal cation; cluster A1
Metal bindingi35Divalent metal cation; cluster A1
Metal bindingi36Divalent metal cation; cluster A1
Metal bindingi40Divalent metal cation; cluster A1
Metal bindingi43Divalent metal cation; cluster A1
Metal bindingi47Divalent metal cation; cluster A1
Metal bindingi49Divalent metal cation; cluster A1
Metal bindingi54Divalent metal cation; cluster A1
Metal bindingi58Divalent metal cation; cluster A1
Metal bindingi59Divalent metal cation; cluster A1

GO - Molecular functioni

GO - Biological processi

Keywordsi

LigandMetal-binding, Metal-thiolate cluster

Names & Taxonomyi

Protein namesi
Recommended name:
Metallothionein B
Short name:
MT-B
Gene namesi
Name:mtb
OrganismiOncorhynchus mykiss (Rainbow trout) (Salmo gairdneri)
Taxonomic identifieri8022 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiProtacanthopterygiiSalmoniformesSalmonidaeSalmoninaeOncorhynchus

Subcellular locationi

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001972961 – 60Metallothionein BAdd BLAST60

Proteomic databases

PRIDEiP68501

Structurei

3D structure databases

ProteinModelPortaliP68501
SMRiP68501
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 28BetaAdd BLAST28
Regioni29 – 60AlphaAdd BLAST32

Domaini

Class I metallothioneins contain 2 metal-binding domains: four divalent ions are chelated within cluster A of the alpha domain and are coordinated via cysteinyl thiolate bridges to 11 cysteine ligands. Cluster B, the corresponding region within the beta domain, can ligate three divalent ions to 9 cysteines.

Sequence similaritiesi

Phylogenomic databases

HOVERGENiHBG096123

Family and domain databases

Gene3Di4.10.10.10, 1 hit
InterProiView protein in InterPro
IPR003019 Metalthion
IPR017854 Metalthion_dom_sf
IPR023587 Metalthion_dom_sf_vert
IPR000006 Metalthion_vert
IPR018064 Metalthion_vert_metal_BS
PANTHERiPTHR23299 PTHR23299, 1 hit
PfamiView protein in Pfam
PF00131 Metallothio, 1 hit
PRINTSiPR00860 MTVERTEBRATE
SUPFAMiSSF57868 SSF57868, 1 hit
PROSITEiView protein in PROSITE
PS00203 METALLOTHIONEIN_VRT, 1 hit

Sequencei

Sequence statusi: Complete.

P68501-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDPCECSKTG SCNCGGSCKC SNCACTSCKK SCCPCCPSDC SKCASGCVCK
60
GKTCDTSCCQ
Length:60
Mass (Da):6,033
Last modified:November 23, 2004 - v1
Checksum:i9EA1E70FBE59B4EE
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M18104 mRNA Translation: AAA49566.1
M22487 Genomic DNA Translation: AAA49567.1
X59394 mRNA Translation: CAA42037.1
PIRiA30818 B27490
UniGeneiOmy.11783

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M18104 mRNA Translation: AAA49566.1
M22487 Genomic DNA Translation: AAA49567.1
X59394 mRNA Translation: CAA42037.1
PIRiA30818 B27490
UniGeneiOmy.11783

3D structure databases

ProteinModelPortaliP68501
SMRiP68501
ModBaseiSearch...
MobiDBiSearch...

Proteomic databases

PRIDEiP68501

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Phylogenomic databases

HOVERGENiHBG096123

Family and domain databases

Gene3Di4.10.10.10, 1 hit
InterProiView protein in InterPro
IPR003019 Metalthion
IPR017854 Metalthion_dom_sf
IPR023587 Metalthion_dom_sf_vert
IPR000006 Metalthion_vert
IPR018064 Metalthion_vert_metal_BS
PANTHERiPTHR23299 PTHR23299, 1 hit
PfamiView protein in Pfam
PF00131 Metallothio, 1 hit
PRINTSiPR00860 MTVERTEBRATE
SUPFAMiSSF57868 SSF57868, 1 hit
PROSITEiView protein in PROSITE
PS00203 METALLOTHIONEIN_VRT, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiMTB_ONCMY
AccessioniPrimary (citable) accession number: P68501
Secondary accession number(s): P09862
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 23, 2004
Last sequence update: November 23, 2004
Last modified: May 23, 2018
This is version 47 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

  1. Metallothioneins
    Classification of metallothioneins and list of entries
  2. SIMILARITY comments
    Index of protein domains and families
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Main funding by: National Institutes of Health

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