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Protein

Metallothionein-1

Gene

MT1

Organism
Cricetulus griseus (Chinese hamster) (Cricetulus barabensis griseus)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Metallothioneins have a high content of cysteine residues that bind various heavy metals; these proteins are transcriptionally regulated by both heavy metals and glucocorticoids.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi5Divalent metal cation; cluster B1
Metal bindingi7Divalent metal cation; cluster B1
Metal bindingi13Divalent metal cation; cluster B1
Metal bindingi15Divalent metal cation; cluster B1
Metal bindingi19Divalent metal cation; cluster B1
Metal bindingi21Divalent metal cation; cluster B1
Metal bindingi24Divalent metal cation; cluster B1
Metal bindingi26Divalent metal cation; cluster B1
Metal bindingi29Divalent metal cation; cluster B1
Metal bindingi33Divalent metal cation; cluster A1
Metal bindingi34Divalent metal cation; cluster A1
Metal bindingi36Divalent metal cation; cluster A1
Metal bindingi37Divalent metal cation; cluster A1
Metal bindingi41Divalent metal cation; cluster A1
Metal bindingi44Divalent metal cation; cluster A1
Metal bindingi48Divalent metal cation; cluster A1
Metal bindingi50Divalent metal cation; cluster A1
Metal bindingi57Divalent metal cation; cluster A1
Metal bindingi59Divalent metal cation; cluster A1
Metal bindingi60Divalent metal cation; cluster A1

GO - Molecular functioni

GO - Biological processi

Keywordsi

LigandMetal-binding, Metal-thiolate cluster

Names & Taxonomyi

Protein namesi
Recommended name:
Metallothionein-1
Short name:
MT-1
Alternative name(s):
Metallothionein-I
Short name:
MT-I
Gene namesi
Name:MT1
OrganismiCricetulus griseus (Chinese hamster) (Cricetulus barabensis griseus)
Taxonomic identifieri10029 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaCricetidaeCricetinaeCricetulus

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001972001 – 61Metallothionein-1Add BLAST61

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei1N-acetylmethionineBy similarity1

Keywords - PTMi

Acetylation

Structurei

3D structure databases

ProteinModelPortaliP02804
SMRiP02804
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 29BetaAdd BLAST29
Regioni30 – 61AlphaAdd 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

KOiK14739

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.

P02804-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MDPNCSCSTG STCTCSSSCG CKDCKCTSCK KSCCSCCPVG CSKCAQGCVC
60
KGASDKCTCC A
Length:61
Mass (Da):6,051
Last modified:July 21, 1986 - v1
Checksum:iC6E7F804D5BC7216
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
J00061 mRNA Translation: AAA36996.1
D10551 Genomic DNA Translation: BAA01408.1
X55064 Genomic DNA Translation: CAA38897.1
PIRiA03282 SMHY1C
RefSeqiNP_001231505.1, NM_001244576.1

Genome annotation databases

EnsembliENSCGRT00000013811; ENSCGRP00000013601; ENSCGRG00000009867
ENSCGRT00001029752; ENSCGRP00001025506; ENSCGRG00001023092
GeneIDi100689478
KEGGicge:100689478

Similar proteinsi

Entry informationi

Entry nameiMT1_CRIGR
AccessioniPrimary (citable) accession number: P02804
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: July 21, 1986
Last modified: April 25, 2018
This is version 88 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