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Protein

Metallothionein-2

Gene

Mt2

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

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

  • cellular response to zinc ion Source: UniProtKB
  • cellular zinc ion homeostasis Source: MGI
  • detoxification of copper ion Source: MGI
  • negative regulation of growth Source: UniProtKB
  • nitric oxide mediated signal transduction Source: MGI

Keywordsi

LigandMetal-binding, Metal-thiolate cluster

Enzyme and pathway databases

ReactomeiR-MMU-5661231 Metallothioneins bind metals

Names & Taxonomyi

Protein namesi
Recommended name:
Metallothionein-2
Short name:
MT-2
Alternative name(s):
Metallothionein-II
Short name:
MT-II
Gene namesi
Name:Mt2
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
Proteomesi
  • UP000000589 Componenti: Chromosome 8

Organism-specific databases

MGIiMGI:97172 Mt2

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_00001972071 – 61Metallothionein-2Add BLAST61

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei1N-acetylmethionine1 Publication1
Modified residuei58PhosphoserineBy similarity1

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

EPDiP02798
MaxQBiP02798
PaxDbiP02798
PeptideAtlasiP02798
PRIDEiP02798

PTM databases

iPTMnetiP02798
PhosphoSitePlusiP02798

Expressioni

Gene expression databases

BgeeiENSMUSG00000031762
CleanExiMM_MT2
ExpressionAtlasiP02798 baseline and differential
GenevisibleiP02798 MM

Interactioni

Protein-protein interaction databases

STRINGi10090.ENSMUSP00000034214

Structurei

3D structure databases

ProteinModelPortaliP02798
SMRiP02798
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

eggNOGiENOG410JFS1 Eukaryota
ENOG41113QR LUCA
GeneTreeiENSGT00730000110883
HOGENOMiHOG000236262
InParanoidiP02798
KOiK14739
OMAiCNCAGSC
TreeFamiTF336054

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.

P02798-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MDPNCSCASD GSCSCAGACK CKQCKCTSCK KSCCSCCPVG CAKCSQGCIC
60
KEASDKCSCC A
Length:61
Mass (Da):6,115
Last modified:August 1, 1991 - v2
Checksum:iA20D1311166672EC
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti52E → Q AA sequence (PubMed:7287658).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
K02236 Genomic DNA Translation: AAA39528.1
AK002567 mRNA Translation: BAB22192.1
BC031758 mRNA Translation: AAH31758.1
CCDSiCCDS40437.1
PIRiA03275 SMMS2
I57572
RefSeqiNP_032656.1, NM_008630.2
UniGeneiMm.147226

Genome annotation databases

EnsembliENSMUST00000034214; ENSMUSP00000034214; ENSMUSG00000031762
GeneIDi17750
KEGGimmu:17750
UCSCiuc009mvv.1 mouse

Similar proteinsi

Entry informationi

Entry nameiMT2_MOUSE
AccessioniPrimary (citable) accession number: P02798
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: August 1, 1991
Last modified: April 25, 2018
This is version 143 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. Metallothioneins
    Classification of metallothioneins and list of entries
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
  3. SIMILARITY comments
    Index of protein domains and families

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