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Protein

Metallothionein A

Gene

mta

Organism
Chionodraco rastrospinosus (Ocellated icefish)
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

Keywordsi

LigandMetal-binding, Metal-thiolate cluster

Names & Taxonomyi

Protein namesi
Recommended name:
Metallothionein A
Short name:
MT-A
Gene namesi
Name:mta
OrganismiChionodraco rastrospinosus (Ocellated icefish)
Taxonomic identifieri34790 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiNeoteleosteiAcanthomorphataEupercariaPerciformesNotothenioideiChannichthyidaeChionodraco

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001972771 – 60Metallothionein AAdd BLAST60

Proteomic databases

PRIDEiP62338

Structurei

3D structure databases

ProteinModelPortaliP62338
SMRiP62338
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

HOVERGENiHBG096112

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.

P62338-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDPCECSKSG TCNCGGSCTC TNCSCKSCKK SCCPCCPSGC TKCASGCVCK
60
GKTCDTSCCQ
Length:60
Mass (Da):6,019
Last modified:July 5, 2004 - v1
Checksum:iE866E7155A2C424A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AJ011584 mRNA Translation: CAA09714.1

Similar proteinsi

Entry informationi

Entry nameiMTA_CHIRA
AccessioniPrimary (citable) accession number: P62338
Secondary accession number(s): O73914
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 5, 2004
Last sequence update: July 5, 2004
Last modified: May 23, 2018
This is version 46 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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