# Collagen type IX alpha 1 chain

> mammalian protein found in Homo sapiens

**Wikidata**: [Q21102486](https://www.wikidata.org/wiki/Q21102486)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Collagen,_type_IX,_alpha_1)  
**Source**: https://4ort.xyz/entity/collagen-type-ix-alpha-1-chain


## References

1. UniProt
2. [InterPro Release 71.0](http://www.ebi.ac.uk/interpro/protein/P20849)
3. Q20641742
4. [Collagen type IX from human cartilage: a structural profile of intermolecular cross-linking sites](http://www.ebi.ac.uk/QuickGO/annotations?protein=P20849&geneProductId=UniProtKB:P20849)
5. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20849)
6. [Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20849)
7. [Extracellular matrix signatures of human primary metastatic colon cancers and their metastases to liver.](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20849)
8. [Collagen type IX from human cartilage: a structural profile of intermolecular cross-linking sites](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20849)
9. [Human COL9A1 and COL9A2 genes. Two genes of 90 and 15 kb code for similar polypeptides of the same collagen molecule](http://www.ebi.ac.uk/QuickGO/annotations?protein=P20849&geneProductId=UniProtKB:P20849)
10. [Human COL9A1 and COL9A2 genes. Two genes of 90 and 15 kb code for similar polypeptides of the same collagen molecule](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20849)
11. [Structure of the glycosaminoglycan domain in the type IX collagen-proteoglycan](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20849)
12. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?protein=P20849&geneProductId=UniProtKB:P20849)
13. Ensembl Release 99