GJB3

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Connexin 31
other names

Gap Junction Beta 3 Protein

Properties of human protein
Mass / length primary structure 30,818 daltons / 270 amino acids
Identifier
Gene names GJB3 EKV, CX31, DFNA2, DFNA2B
External IDs
Orthologue
human House mouse
Entrez 2707 14620
Ensemble ENSG00000188910 ENSMUSG00000042367
UniProt O75712 P28231
Refseq (mRNA) NM_001005752 NM_001160012
Refseq (protein) NP_001005752 NP_001153484
Gene locus Chr 1: 34.78 - 34.79 Mb Chr 4: 127.33 - 127.33 Mb
PubMed search 2707 14620

Connexin 31 is a protein encoded by the GJB3 gene . It belongs to the family of connexins , which - together to form the hexamer - form the connexons from which the gap junctions (cell connections) emerge. Mutations in this gene can cause deafness or erythrokeratodermia variabilis , a skin disease. Connexin 31 interacts with Consortin .

The protein structure is typical of that of connexins and contains, among other things, a collection of three cysteine residues in each extracellular loop.

Individual evidence

  1. GJB3 gap junction protein beta 3 (human)
  2. UniProt O75712
  3. ^ "Gap Junction Protein, Beta-3".  In: Online Mendelian Inheritance in Man . (English)