Gene Gene information from NCBI Gene database.
Entrez ID 1297
Gene name Collagen type IX alpha 1 chain
Gene symbol COL9A1
Synonyms (NCBI Gene)
DJ149L1.1.2EDM6MEDSTL4
Chromosome 6
Chromosome location 6q13
Summary This gene encodes one of the three alpha chains of type IX collagen, which is a minor (5-20%) collagen component of hyaline cartilage. Type IX collagen is usually found in tissues containing type II collagen, a fibrillar collagen. Studies in knockout mice
SNPs SNP information provided by dbSNP.
16
SNP ID Visualize variation Clinical significance Consequence
rs121912931 G>A Pathogenic Non coding transcript variant, upstream transcript variant, genic upstream transcript variant, stop gained, coding sequence variant
rs143848379 C>T Uncertain-significance, conflicting-interpretations-of-pathogenicity Coding sequence variant, intron variant, genic upstream transcript variant, missense variant
rs146700420 G>A,T Conflicting-interpretations-of-pathogenicity Coding sequence variant, upstream transcript variant, genic upstream transcript variant, missense variant
rs149830493 A>T Pathogenic, conflicting-interpretations-of-pathogenicity Splice donor variant, upstream transcript variant, genic upstream transcript variant
rs189754995 G>A,T Pathogenic Coding sequence variant, non coding transcript variant, synonymous variant, stop gained, genic downstream transcript variant
miRNA miRNA information provided by mirtarbase database.
172
miRTarBase ID miRNA Experiments Reference
MIRT610835 hsa-miR-8485 HITS-CLIP 23824327
MIRT610834 hsa-miR-4789-3p HITS-CLIP 23824327
MIRT610833 hsa-miR-6773-3p HITS-CLIP 23824327
MIRT610832 hsa-miR-215-3p HITS-CLIP 23824327
MIRT610835 hsa-miR-8485 HITS-CLIP 23824327
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
22
GO ID Ontology Definition Evidence Reference
GO:0005515 Function Protein binding IPI 15047691, 32814053, 33961781
GO:0005576 Component Extracellular region IEA
GO:0005576 Component Extracellular region TAS
GO:0005581 Component Collagen trimer IEA
GO:0005594 Component Collagen type IX trimer IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
120210 2217 ENSG00000112280
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P20849
Protein name Collagen alpha-1(IX) chain
Protein function Structural component of hyaline cartilage and vitreous of the eye.
PDB 2UUR , 5CTD , 5CTI , 5CVA , 5CVB
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01391 Collagen 266 326 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 303 358 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 357 409 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 415 474 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 454 531 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 643 716 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 697 760 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 785 849 Collagen triple helix repeat (20 copies) Repeat
Sequence
MKTCWKIPVFFFVCSFLEPWASAAVKRRPRFPVNSNSNGGNELCPKIRIGQDDLPGFDLI
SQFQVDKAASRRAIQRVVGSATLQVAYKLGNNVDFRIPTRNLYPSGLPEEYSFLTTFRMT
GSTLKKNWNIWQIQDSSGKEQVGIKINGQTQSVVFSYKGLDGSLQTAAFSNLSSLFDSQW
HKIMIGVERSSATLFVDCNRIESLPIKPRGPIDIDGFAVLGKLADNPQVSVPFELQWMLI
HCDPLRPRRETCHELPARITPSQTTDERGPPGEQGPPGPPGPPGVPGIDGIDGDRGPKGP
PG
PPGPAGEPGKPGAPGKPGTPGADGLTGPDGSPGSIGSKGQKGEPGVPGSRGFPGRGIP
GPPGPPGTAGLPGELGRVGPVGDPGRRGPPGPPGPPGPRGTIGFHDGDP
LCPNACPPGRS
GYPGLPGMRGHKGAKGEIGEPGRQGHKGEEGDQ
GELGEVGAQGPPGAQGLRGITGIVGDK
GEKGARGLDGEPGPQGLPGAPGDQGQRGPPGEAGPKGDRGAEGARGIPGLP
GPKGDTGLP
GVDGRDGIPGMPGTKGEPGKPGPPGDAGLQGLPGVPGIPGAKGVAGEKGSTGAPGKPGQM
GNSGKPGQQGPPGEVGPRGPQGLPGSRGELGPVGSPGLPGKLGSLGSPGLPGLPGPPGLP
GMKGDRGVVGEPGPKGEQGASGEEGEAGERGELGDI
GLPGPKGSAGNPGEPGLRGPEGSR
GLPGVEGPRGPPGPRGVQGEQGATGLPGVQGPPGRAPTDQ
HIKQVCMRVIQEHFAEMAAS
LKRPDSGATGLPGRPGPPGPPGPPGENGFPGQMGIRGLPGIKGPPGALGLRGPKGDLGEK
GERGPPGRG
PNGLPGAIGLPGDPGPASYGRNGRDGERGPPGVAGIPGVPGPPGPPGLPGF
CEPASCTMQAGQRAFNKGPDP
Sequence length 921
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  PI3K-Akt signaling pathway
Focal adhesion
ECM-receptor interaction
Cytoskeleton in muscle cells
Protein digestion and absorption
Human papillomavirus infection
  Collagen biosynthesis and modifying enzymes
Signaling by PDGF
Assembly of collagen fibrils and other multimeric structures
Integrin cell surface interactions
ECM proteoglycans
NCAM1 interactions
Collagen chain trimerization
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
187
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
COL9A1-related disorder Likely pathogenic; Pathogenic rs1482734025, rs2127557714, rs759460647, rs2483312174, rs1049091691, rs374843706 RCV003399213
RCV004750915
RCV004731222
RCV004529120
RCV004801241
RCV004751604
Connective tissue disorder Likely pathogenic; Pathogenic rs1404756199, rs189754995 RCV002276946
RCV002277296
Epiphyseal dysplasia, multiple, 6 Pathogenic; Likely pathogenic rs770789859, rs2483455914 RCV002482695
RCV003153229
See cases Pathogenic rs121912931 RCV001420255
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cervical cancer Benign rs6914074 RCV005911518
Congenital heart disease Conflicting classifications of pathogenicity rs372320539 RCV005626397
Familial cancer of breast Conflicting classifications of pathogenicity rs369698214 RCV005899930
Hearing impairment Conflicting classifications of pathogenicity; Uncertain significance rs144581626, rs745566207, rs192047082 RCV001375212
RCV001375406
RCV001375076
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
alpha Thalassemia Associate 17301974
Carcinoma Squamous Cell Associate 30657779
Cardiomyopathy Dilated Associate 27936202
Cartilage Diseases Associate 26973327, 27819742
Clubfoot Associate 27819742
Collagenopathy type 2 alpha 1 Associate 33951325
Hearing Loss Associate 31315069
Hypoxia Stimulate 25510649
Insulin Resistance Associate 27477082
Kashin Beck Disease Associate 25774918