DEFB4A, Official Symbol DEFB4Aprovided by HGNC Official Full Name defensin beta 4Aprovided by HGNC Primary source HGNC:HGNC:2767 See related Ensembl:ENSG00000171711 MIM:602215; AllianceGenome:HGNC:2767 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as BD-2; SAP1; DEFB2; DEFB4; HBD-2; DEFB-2; DEFB102 Summary Defensins form a family of microbicidal and cytotoxic peptides made by neutrophils. Members of the defensin family are highly similar in protein sequence. This gene encodes defensin, beta 4, an antibiotic peptide which is locally regulated by inflammation. [provided by RefSeq, Jul 2008] Expression Biased expression in gall bladder (RPKM 1.2), esophagus (RPKM 0.7) and 3 other tissues See more