Biology:KCNIP4

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Kv channel-interacting protein 4 is a protein that in humans is encoded by the KCNIP4 gene.[1][2][3]

This gene encodes a member of the family of voltage-gated potassium (Kv) channel-interacting proteins (KCNIPs), which belong to the recoverin branch of the EF-hand superfamily.[4] Members of the KCNIP family are small calcium binding proteins. They all have EF-hand-like domains, and differ from each other in the N-terminus. They are integral subunit components of native Kv4 channel complexes. They may regulate A-type currents, and hence neuronal excitability, in response to changes in intracellular calcium. This protein member also interacts with presenilin. Multiple alternatively spliced transcript variants encoding distinct isoforms have been identified for this gene.[3]

Interactions

KCNIP4 has been shown to interact with PSEN2.[2]

See also

References

  1. "Elimination of fast inactivation in Kv4 A-type potassium channels by an auxiliary subunit domain". Proc Natl Acad Sci U S A 99 (2): 1035–40. Jan 2002. doi:10.1073/pnas.022509299. PMID 11805342. Bibcode2002PNAS...99.1035H. 
  2. 2.0 2.1 "Molecular cloning and characterization of CALP/KChIP4, a novel EF-hand protein interacting with presenilin 2 and voltage-gated potassium channel subunit Kv4". J Biol Chem 277 (17): 14965–75. Apr 2002. doi:10.1074/jbc.M200897200. PMID 11847232. 
  3. 3.0 3.1 "Entrez Gene: KCNIP4 Kv channel interacting protein 4". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=80333. 
  4. Burgoyne RD (2007). "Neuronal calcium sensor proteins: generating diversity in neuronal Ca2+ signalling". Nat. Rev. Neurosci. 8 (3): 182–193. doi:10.1038/nrn2093. PMID 17311005. 

Further reading

External links

This article incorporates text from the United States National Library of Medicine, which is in the public domain.