IGHA2, Official Symbol IGHA2provided by HGNC Official Full Name immunoglobulin heavy constant alpha 2 (A2m marker)provided by HGNC Primary source HGNC:HGNC:5479 See related Ensembl:ENSG00000211890 IMGT/GENE-DB:IGHA2; MIM:147000; AllianceGenome:HGNC:5479 Gene type other RefSeq status VALIDATED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as A2M Summary Contributes to immunoglobulin receptor binding activity. Involved in antibacterial humoral response; glomerular filtration; and positive regulation of respiratory burst. Located in extracellular space. Part of monomeric IgA immunoglobulin complex and secretory dimeric IgA immunoglobulin complex. [provided by Alliance of Genome Resources, Apr 2022]