COL9A3, Official Symbol COL9A3provided by HGNC Official Full Name collagen type IX alpha 3 chainprovided by HGNC Primary source HGNC:HGNC:2219 See related Ensembl:ENSG00000092758 MIM:120270; AllianceGenome:HGNC:2219 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 IDD; MED; EDM3; STL6; DJ885L7.4.1 Summary This gene encodes one of the three alpha chains of type IX collagen, the major collagen component of hyaline cartilage. Type IX collagen, a heterotrimeric molecule, is usually found in tissues containing type II collagen, a fibrillar collagen. Mutations in this gene are associated with multiple epiphyseal dysplasia type 3. [provided by RefSeq, Jan 2010] Expression Broad expression in thyroid (RPKM 8.5), salivary gland (RPKM 6.2) and 17 other tissues See more Orthologs mouse all