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GJB7

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From Wikipedia, the free encyclopedia

Protein-coding gene in the species Homo sapiens

GJB7

Identifiers

Aliases

GJB7, CX25, bA136M9.1, connexin25, gap junction protein beta 7

External IDs

OMIM:611921;HomoloGene:89311;GeneCards:GJB7;OMA:GJB7 - orthologs

Gene location (Human)

Chr.	Chromosome 6 (human)^[1]

Band	6q14.3-q15	Start	87,282,980bp^[1]
Band	6q14.3-q15	End	87,329,278bp^[1]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

gonad

right uterine tube

testicle

placenta

pituitary gland

anterior pituitary

olfactory zone of nasal mucosa

right lung

bone marrow

mucosa of transverse colon

n/a

More reference expression data

BioGPS

n/a

Gene ontology
Molecular function	gap junction channel activity
Cellular component	integral component of membrane gap junction cell junction plasma membrane connexin complex membrane
Biological process	cell communication transmembrane transport
Sources:Amigo /QuickGO

Orthologs

Species

Human

Mouse

Entrez


375519


n/a

Ensembl


ENSG00000164411


n/a

UniProt


Q6PEY0


n/a

RefSeq (mRNA)


NM_198568


n/a

RefSeq (protein)


NP_940970


n/a

Location (UCSC)

Chr 6: 87.28 – 87.33 Mb

n/a

PubMed search

^[2]

n/a

Wikidata

View/Edit Human

Gap junction beta-7 protein (GJB7), also known asconnexin-25 (Cx25), is aprotein that in humans is encoded by theGJB7gene.^[3]

Function

[edit]

Connexins, such as GJB7, are involved in the formation of gap junctions, intercellular conduits that directly connect the cytoplasms of contacting cells. Each gap junction channel is formed by docking of 2 hemichannels, each of which contains 6 connexin subunits.^[3]^[4]

References

[edit]

^^a ^b ^cGRCh38: Ensembl release 89: ENSG00000164411 –Ensembl, May 2017
^"Human PubMed Reference:".National Center for Biotechnology Information, U.S. National Library of Medicine.
^^a ^b"Entrez Gene: gap junction protein".
^Söhl G, Nielsen PA, Eiberger J, Willecke K (2003). "Expression profiles of the novel human connexin genes hCx30.2, hCx40.1, and hCx62 differ from their putative mouse orthologues".Cell Commun. Adhes.10 (1):27–36.doi:10.1080/15419060302063.PMID 12881038.S2CID 225894.

This article incorporates text from theUnited States National Library of Medicine, which is in thepublic domain.

Membrane transport protein:ion channels (TC 1A)

Ca²⁺:Calcium channel

Ligand-gated	Inositol trisphosphate receptor 1 2 3 Ryanodine receptor 1 2 3
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

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

Calcium-activated	BK channel α1 β1 β2 β3 β4 SK channel SK1 SK2 SK3 IK channel IK1 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
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)

Miscellaneous

Cl⁻:Chloride channel	Calcium-activated chloride channels Anoctamin ANO1 Bestrophin 1 2 Chloride Channel Accessory 1 2 3 4 CFTR CLCN 1 2 3 4 5 6 7 KA KB CLIC 1 2 3 4 5 6 L1 CLNS 1A 1B
H⁺:Proton channel	HVCN1
M⁺:CNG cation channel	α 1 2 3 4 β 1 2 3 HCN FC 1 2 3 4
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 TRPN TRPP 1 2 TRPV 1 2 3 4 5 6
H₂O (+solutes):Porin	Aquaporin 0 1 2 3 4 5 6 7 8 9 Voltage-dependent anion channel 1 2 3 General bacterial porin family
Cytoplasm: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 Innexin

By gating mechanism

Ion channel class	Ligand-gated Light-gated Voltage-gated Stretch-activated

see alsodisorders

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