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Gene information for COL1A2 (Homo sapiens)
(Information is obtained from NCBI Gene database)
Entrez gene ID1278
Official gene symbolCOL1A2
Full namecollagen, type I, alpha 2
Aliases,OI4,
Gene summaryThis gene encodes the pro-alpha2 chain of type I collagen whose triple helix comprises two alpha1 chains and one alpha2 chain. Type I is a fibril-forming collagen found in most connective tissues and is abundant in bone, cornea, dermis and tendon. Mutations in this gene are associated with osteogenesis imperfecta types I-IV, Ehlers-Danlos syndrome type VIIB, recessive Ehlers-Danlos syndrome Classical type, idiopathic osteoporosis, and atypical Marfan syndrome. Symptoms associated with mutations in this gene, however, tend to be less severe than mutations in the gene for the alpha1 chain of type I collagen (COL1A1) reflecting the different role of alpha2 chains in matrix integrity. Three transcripts, resulting from the use of alternate polyadenylation signals, have been identified for this gene. [provided by R. Dalgleish]
LocationChromosome: 7   Locus: 7q22.1
Gene position94023873 - 94060544  Map Viewer
Gene orientationplus
Gene size36672 bp
Gene sequence
OMIM ID120160