Gene: APOBEC3A

Alternate names for this Gene: A3A|ARP3|PHRBN|bK150C2.1

Gene Summary: This gene is a member of the cytidine deaminase gene family. It is one of seven related genes or pseudogenes found in a cluster, thought to result from gene duplication, on chromosome 22. Members of the cluster encode proteins that are structurally and functionally related to the C to U RNA-editing cytidine deaminase APOBEC1. The protein encoded by this gene lacks the zinc binding activity of other family members. The protein plays a role in immunity, by restricting transmission of foreign DNA such as viruses. One mechanism of foreign DNA restriction is deamination of foreign double-stranded DNA cytidines to uridines, which leads to DNA degradation. However, other mechanisms are also thought to be involved, as anti-viral effect is not dependent on deaminase activity. Two transcript variants encoding different isoforms have been found for this gene.

Gene is located in Chromosome: 22

Location in Chromosome : 22q13.1

Description of this Gene: apolipoprotein B mRNA editing enzyme catalytic subunit 3A

Type of Gene: protein-coding

rs12628403 in APOBEC3A gene and Finding of Mean Corpuscular Hemoglobin PMID 30595370 2019 Leveraging Polygenic Functional Enrichment to Improve GWAS Power.