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Transporter Information:
Name: calcium channel, voltage-dependent, gamma subunit 8
Symbol: CACNG8
TC: 1.C.12.1.3
Locations: 19q13.4
GenBank: AF288388
Swiss-Prot: Q8WXS5
Accession Number: NM_031895
PubMed (11170751): Burgess DL, Gefrides LA, Foreman PJ, Noebels JL. A cluster of three novel Ca2+ channel gamma subunit genes on chromosome19q13.4: evolution and expression profile of the gamma subunit gene family.Genomics. 2001 Feb 1;71(3):339-50. PMID: 11170751 [PubMed - indexed for MEDLINE]

The CACNG1 gene on chromosome 17q24 encodes an integral membrane protein that was originally isolated as the regulatory gamma subunit of voltage-dependent Ca2+ channels from skeletal muscle. The existence of an extended family of gamma subunits was subsequently demonstrated upon identification of CACNG2 (22q13), CACNG3 (16p12-p13), and CACNG4 and CACNG5 (17q24). In this study, we describe a cluster of three novel gamma subunit genes, CACNG6, CACNG7, and CACNG8, located in a tandem array on 19q13.4. Phylogenetic analysis indicates that this array is paralogous to the cluster containing CACNG1, CACNG5, and CACNG4, respectively, on chromosome 17q24. We developed sensitive RT-PCR assays and examined the expression profile of each member of the gamma subunit gene family, CACNG1-CACNG8. Analysis of 24 human tissues plus 3 dissected brain regions revealed that CACNG1 through CACNG8 are all coexpressed in fetal and adult brain and differentially transcribed among a wide variety of other tissues. The expression of distinct complements of gamma subunit isoforms in different cell types may be an important mechanism for regulating Ca2+ channel function.

>Q8WXS5|CCG8_HUMAN Voltage-dependent calcium channel gamma-8 subunit - Homo sapiens (Human).