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Gene: COL9A3 (collagen type IX alpha 3 chain) Homo sapiens
Symbol: COL9A3
Name: collagen type IX alpha 3 chain
Description: Predicted to have extracellular matrix structural constituent. Predicted to be involved in extracellular matrix organization; female gonad development; and male gonad development. Localizes to the collagen type IX trimer. Implicated in multiple epiphyseal dysplasia 3 and osteochondrodysplasia.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: collagen alpha-3(IX) chain; collagen IX, alpha-3 polypeptide; collagen type IX alpha 3; collagen type IX proteoglycan; collagen, type IX, alpha 3; DJ885L7.4.1; EDM3; FLJ90759; IDD; MED
Mus musculus (house mouse) : Col9a3 (collagen, type IX, alpha 3)  MGI  Alliance
Rattus norvegicus (Norway rat) : Col9a3 (collagen type IX alpha 3 chain)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Col9a3 (collagen type IX alpha 3 chain)
Pan paniscus (bonobo/pygmy chimpanzee) : COL9A3 (collagen type IX alpha 3 chain)
Canis lupus familiaris (dog) : COL9A3 (collagen type IX alpha 3 chain)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Col9a3 (collagen type IX alpha 3 chain)
Sus scrofa (pig) : COL9A3 (collagen type IX alpha 3 chain)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38 Ensembl2062,816,244 - 62,841,159 (+)Ensembl
GRCh382062,817,050 - 62,841,159 (+)NCBIGRCh38GRCh38hg38GRCh38
GRCh372061,448,414 - 61,472,511 (+)NCBIGRCh37GRCh37hg19GRCh37
Build 362060,918,859 - 60,942,956 (+)NCBINCBI36hg18NCBI36
Build 342060,918,831 - 60,942,955NCBI
Celera2058,124,036 - 58,148,542 (+)NCBI
Cytogenetic Map20q13.33NCBI
HuRef2058,166,446 - 58,190,556 (+)NCBIHuRef
CHM1_12061,349,484 - 61,373,428 (+)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
Phenotype Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on COL9A3
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 1321049
Created: 2005-01-12
Species: Homo sapiens
Last Modified: 2019-12-25
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.