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Protein

Metallothionein B

Gene
N/A
Organism
Colinus virginianus (Northern bobwhite) (Tetrao virginianus)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at transcript leveli

Functioni

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

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi2Divalent metal cation; cluster B1
Metal bindingi6Divalent metal cation; cluster B1
Metal bindingi8Divalent metal cation; cluster B1
Metal bindingi11Divalent metal cation; cluster B1
Metal bindingi13Divalent metal cation; cluster B1
Metal bindingi16Divalent metal cation; cluster B1
Metal bindingi20Divalent metal cation; cluster A1
Metal bindingi21Divalent metal cation; cluster A1
Metal bindingi23Divalent metal cation; cluster A1
Metal bindingi24Divalent metal cation; cluster A1
Metal bindingi28Divalent metal cation; cluster A1
Metal bindingi31Divalent metal cation; cluster A1
Metal bindingi35Divalent metal cation; cluster A1
Metal bindingi37Divalent metal cation; cluster A1

GO - Molecular functioni

Complete GO annotation...

Keywords - Ligandi

Metal-binding, Metal-thiolate cluster

Names & Taxonomyi

Protein namesi
Recommended name:
Metallothionein B
Short name:
MTB
OrganismiColinus virginianus (Northern bobwhite) (Tetrao virginianus)
Taxonomic identifieri9014 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiArchelosauriaArchosauriaDinosauriaSaurischiaTheropodaCoelurosauriaAvesNeognathaeGalloanseraeGalliformesOdontophoridaeColinus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_0000197264‹1 – ›43Metallothionein BAdd BLAST›43

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni‹1 – 16BetaAdd BLAST›16
Regioni17 – ›43AlphaAdd BLAST›27

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

Family and domain databases

Gene3Di4.10.10.10. 1 hit.
InterProiIPR003019. Metalthion.
IPR017854. Metalthion_dom.
IPR023587. Metalthion_dom_vert.
IPR000006. Metalthion_vert.
[Graphical view]
PANTHERiPTHR23299. PTHR23299. 1 hit.
PfamiPF00131. Metallothio. 1 hit.
[Graphical view]
PRINTSiPR00860. MTVERTEBRATE.
SUPFAMiSSF57868. SSF57868. 1 hit.

Sequencei

Sequence statusi: Fragment.

P27087-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40 
SCAGSCKCKN CRCRSCRKSC CSCCPAGCNN CVKGCVCKEP ASS
Length:43
Mass (Da):4,429
Last modified:August 1, 1992 - v1
Checksum:i1612EB40EE6EB875
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Non-terminal residuei11
Non-terminal residuei431

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X62512 mRNA. Translation: CAA44371.1.
PIRiS33379. S18174.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X62512 mRNA. Translation: CAA44371.1.
PIRiS33379. S18174.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

Gene3Di4.10.10.10. 1 hit.
InterProiIPR003019. Metalthion.
IPR017854. Metalthion_dom.
IPR023587. Metalthion_dom_vert.
IPR000006. Metalthion_vert.
[Graphical view]
PANTHERiPTHR23299. PTHR23299. 1 hit.
PfamiPF00131. Metallothio. 1 hit.
[Graphical view]
PRINTSiPR00860. MTVERTEBRATE.
SUPFAMiSSF57868. SSF57868. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiMTB_COLVI
AccessioniPrimary (citable) accession number: P27087
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 1, 1992
Last sequence update: August 1, 1992
Last modified: September 16, 2015
This is version 69 of the entry and version 1 of the sequence. [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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.