A portion of amino acids 299-330 from the human protein was used as the immunogen for this APOBEC3B antibody.
APOBEC3B/A3B is a member of the cytidine deaminase gene family. The gene 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. It is thought that the proteins may be RNA editing enzymes and have roles in growth or cell cycle control.