GJA4

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Gap junction protein, alpha 4, 37kDa

Identifiers

Symbols

GJA4; CX37

External IDs

OMIM: 121012 MGI: 95715 HomoloGene: 1556 GeneCards: GJA4 Gene

Gene Ontology
Molecular function	• gap-junction channel activity
Cellular component	• plasma membrane • integral to plasma membrane • gap junction • connexon complex • cell junction
Biological process	• blood vessel development • transport • calcium ion transport • cell-cell junction assembly • cell-cell signaling • response to pain
Sources: Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 1:
35.26 – 35.26 Mb

Chr 4:
126.99 – 126.99 Mb

PubMed search

[1]

[2]

Gap junction alpha-4 protein is a protein that in humans is encoded by the GJA4 gene.^[1]^[2]^[3]

References

^ Richard G, Smith LE, Bailey RA, Itin P, Hohl D, Epstein EH Jr, DiGiovanna JJ, Compton JG, Bale SJ (Dec 1998). "Mutations in the human connexin gene GJB3 cause erythrokeratodermia variabilis". Nat Genet 20 (4): 366–9. doi:10.1038/3840. PMID 9843209.
^ Reed KE, Westphale EM, Larson DM, Wang HZ, Veenstra RD, Beyer EC (Apr 1993). "Molecular cloning and functional expression of human connexin37, an endothelial cell gap junction protein". J Clin Invest 91 (3): 997–1004. doi:10.1172/JCI116321. PMC 288052. PMID 7680674.
^ "Entrez Gene: GJA4 gap junction protein, alpha 4, 37kDa". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=2701.

Andrew L Harris and Darren Locke (2009). Connexins, A Guide. New York: Springer. pp. 574. ISBN 978-1-934115-46-6. http://www.springer.com/978-1-934115-46-6.
Beyer EC, Paul DL, Goodenough DA (1990). "Connexin family of gap junction proteins". J. Membr. Biol. 116 (3): 187–94. doi:10.1007/BF01868459. PMID 2167375.
Haefliger JA, Bruzzone R, Jenkins NA, et al. (1992). "Four novel members of the connexin family of gap junction proteins. Molecular cloning, expression, and chromosome mapping". J. Biol. Chem. 267 (3): 2057–64. PMID 1370487.
Risek B, Guthrie S, Kumar N, Gilula NB (1990). "Modulation of gap junction transcript and protein expression during pregnancy in the rat". J. Cell Biol. 110 (2): 269–82. doi:10.1083/jcb.110.2.269. PMC 2116004. PMID 1688855.
Willecke K, Jungbluth S, Dahl E, et al. (1991). "Six genes of the human connexin gene family coding for gap junctional proteins are assigned to four different human chromosomes". Eur. J. Cell Biol. 53 (2): 275–80. PMID 1964417.
Van Camp G, Coucke P, Speleman F, et al. (1996). "The gene for human gap junction protein connexin37 (GJA4) maps to chromosome 1p35.1, in the vicinity of D1S195". Genomics 30 (2): 402–3. PMID 8586454.
Krutovskikh V, Mironov N, Yamasaki H (1996). "Human connexin 37 is polymorphic but not mutated in tumours". Carcinogenesis 17 (8): 1761–3. doi:10.1093/carcin/17.8.1761. PMID 8761439.
Simon AM, Goodenough DA, Li E, Paul DL (1997). "Female infertility in mice lacking connexin 37". Nature 385 (6616): 525–9. doi:10.1038/385525a0. PMID 9020357.
Krenacs T, Rosendaal M (1998). "Connexin43 gap junctions in normal, regenerating, and cultured mouse bone marrow and in human leukemias: their possible involvement in blood formation". Am. J. Pathol. 152 (4): 993–1004. PMC 1858239. PMID 9546360.
van Rijen HV, van Kempen MJ, Postma S, Jongsma HJ (1998). "Tumour necrosis factor alpha alters the expression of connexin43, connexin40, and connexin37 in human umbilical vein endothelial cells". Cytokine 10 (4): 258–64. doi:10.1006/cyto.1997.0287. PMID 9617570.
Boerma M, Forsberg L, Van Zeijl L, et al. (1999). "A genetic polymorphism in connexin 37 as a prognostic marker for atherosclerotic plaque development". J. Intern. Med. 246 (2): 211–8. doi:10.1046/j.1365-2796.1999.00564.x. PMID 10447790.
Saito T, Krutovskikh V, Marion MJ, et al. (2000). "Human hemangiosarcomas have a common polymorphism but no mutations in the connexin37 gene". Int. J. Cancer 86 (1): 67–70. doi:10.1002/(SICI)1097-0215(20000401)86:1<67::AID-IJC10>3.0.CO;2-1. PMID 10728596.
Suzuki Y, Taira H, Tsunoda T, et al. (2001). "Diverse transcriptional initiation revealed by fine, large-scale mapping of mRNA start sites". EMBO Rep. 2 (5): 388–93. doi:10.1093/embo-reports/kve085. PMC 1083880. PMID 11375929.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Tsai MY, Lan KC, Huang KE, et al. (2004). "Significance of mRNA levels of connexin37, connexin43, and connexin45 in luteinized granulosa cells of controlled hyperstimulated follicles". Fertil. Steril. 80 (6): 1437–43. doi:10.1016/j.fertnstert.2003.05.015. PMID 14667880.
Seul KH, Kang KY, Lee KS, et al. (2004). "Adenoviral delivery of human connexin37 induces endothelial cell death through apoptosis". Biochem. Biophys. Res. Commun. 319 (4): 1144–51. doi:10.1016/j.bbrc.2004.05.097. PMID 15194487.
Kameritsch P, Khandoga N, Nagel W, et al. (2005). "Nitric oxide specifically reduces the permeability of Cx37-containing gap junctions to small molecules". J. Cell. Physiol. 203 (1): 233–42. doi:10.1002/jcp.20218. PMID 15481066.
Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.

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Membrane transport protein: ion channels (TC 1A)

Ca²⁺: Calcium channel

Voltage-gated	L-type/Ca_vα (1.1, 1.2, 1.3, 1.4) · N-type/Ca_vα2.2 · P-type/Ca_vα(2.1) · Q-type/Ca_vα2.1 · R-type/Ca_vα2.3 · T-type/Ca_vα(3.1, 3.2, 3.3) α₂δ-subunits (1, 2) · β-subunits (β1, β2, β3, β4) · γ-subunits (γ1, γ2, γ3, γ4) Cation channels of sperm (1, 2, 3, 4) · Two-pore channel (1, 2)

Ligand-gated	Inositol trisphosphate receptor (1, 2, 3) · Ryanodine receptor (1, 2, 3)

Na⁺: Sodium channel

Constitutively active	Epithelial sodium channel (α, β, γ, δ)

Proton gated	Amiloride-sensitive cation channel (1, 2, 3, 4)

Voltage-gated	Na_vα (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 7A) · Na_vβ (1, 2, 3, 4)

K⁺: Potassium channel

Voltage-gated	K_vα1-6 (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8) · (2.1, 2.2) · (3.1, 3.2, 3.3, 3.4) · (4.1, 4.2, 4.3) · (5.1) · (6.1, 6.2, 6.3, 6.4) K_vα7-12 (7.1, 7.2, 7.3, 7.4, 7.5) · (8.1, 8.2) · (9.1, 9.2, 9.3) · (10.1, 10.2) · (11.1/hERG, 11.2, 11.3) · (12.1, 12.2, 12.3) K_vβ (1, 2, 3) · KCNIP (1, 2, 3, 4) · minK/ISK · minK/ISK-like · MiRP (1, 2, 3) · Shaker gene

Calcium-activated	BK channel (α1, β1, β2, β3, β4) · SK channel (SK1, SK2, SK3, SK4) · K_Ca (1.1, 2.1, 2.2, 2.3, 3.1, 4.1, 4.2, 5.1)

Inward-rectifier	K_ATP · K_ir (1.1, 2.1, 2.2, 2.3, 2.4, 2.6) · GIRK/K_ir (3.1, 3.2, 3.3, 3.4) · K_ir (4.1, 4.2, 5.1, 6.1, 6.2, 7.1)

Tandem pore domain	K2P (1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 17, 18)

Other

Cl^-: Chloride channel	ANO1 · Bestrophin (1, 2) · CFTR · CLCA (1, 2, 3, 4) · CLCN (1, 2, 3, 4, 5, 6, 7, KA, KB) · CLIC (1, 2, 3, 4, 5, 6, L1) · CLNS (1A, 1B)

H⁺: Voltage-gated	HVCN1

M⁺: TRP cation channel	TRPA (1) · TRPC (1, 2, 3, 4, 4AP, 5, 6, 7) · TRPM (1, 2, 3, 4, 5, 6, 7, 8) · TRPML (1, 2, 3) · TRPP (1, 2) · TRPV (1, 2, 3, 4, 5, 6)

Cyclic nucleotide-gated (FC)	α (1, 2, 3, 4) · β (1, 2, 3) · HCN (1, 2, 3, 4)

Porin	Aquaporin (1, 2, 3, 4, 5, 7, 8, 9) · Voltage-dependent anion channel (1, 2, 3) · General bacterial porin family

Gap junction	Connexin: A (GJA1, GJA3, GJA4, GJA5, GJA8, GJA9, GJA10) · B (GJB1, GJB2, GJB3, GJB4, GJB5, GJB6, GJB7) · C (GJC1, GJC2, GJC3) · D (GJD2, GJD3, GJD4) · E (GJE1) Innexin

General	Ligand-gated ion channel · Voltage-gated ion channel · Stretch-activated ion channel