GJB4

Gap junction beta-4 protein (GJB4), also known as connexin 30.3 (Cx30.3) — is a protein that in humans is encoded by the GJB4 gene.^[5]

AliasesGJB4, CX30.3, EKV, gap junction protein beta 4, EKVP2

External IDsOMIM: 605425; MGI: 95722; HomoloGene: 7339; GeneCards: GJB4; OMA:GJB4 - orthologs

Chr.Chromosome 1 (human)^[1]

End34,762,327 bp^[1]

Quick facts Identifiers, Aliases ...

GJB4
Identifiers
Aliases	GJB4, CX30.3, EKV, gap junction protein beta 4, EKVP2
External IDs	OMIM: 605425; MGI: 95722; HomoloGene: 7339; GeneCards: GJB4; OMA:GJB4 - orthologs
Gene location (Human) Chr. Chromosome 1 (human)[1] Band 1p34.3 Start 34,759,740 bp[1] End 34,762,327 bp[1]
Gene location (Mouse) Chr. Chromosome 4 (mouse)[2] Band 4 D2.2|4 61.51 cM Start 127,244,879 bp[2] End 127,247,874 bp[2]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in skin of abdomen skin of leg gallbladder olfactory zone of nasal mucosa vagina islet of Langerhans tonsil urinary bladder prostate minor salivary glands Top expressed in lip esophagus skin of external ear skin of back gastrula hair follicle skin of abdomen embryo decidua blastocyst More reference expression data BioGPS More reference expression data
Gene ontology Molecular function gap junction channel activity Cellular component connexin complex integral component of membrane gap junction plasma membrane membrane nucleus nucleolus cell junction integral component of plasma membrane Biological process cell communication sensory perception of smell olfactory behavior cell-cell signaling transmembrane transport gap junction-mediated intercellular transport Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 127534 14621 Ensembl ENSG00000189433 ENSMUSG00000046623 UniProt Q9NTQ9 Q02738 RefSeq (mRNA) NM_153212 NM_008127 RefSeq (protein) NP_694944 NP_032153 Location (UCSC) Chr 1: 34.76 – 34.76 Mb Chr 4: 127.24 – 127.25 Mb PubMed search [3] [4]
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