Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
1280
Gene name Gene Name - the full gene name approved by the HGNC.
Collagen type II alpha 1 chain
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
COL2A1
Synonyms (NCBI Gene) Gene synonyms aliases
ACG2, ANFH, ANFH1, AOM, COL11A3, EDMMD, LCPD, OSCDP, PLSDT, SEDC, SEDSTN, SEMDSTWK, SMDALG, STL1, VPED
Chromosome Chromosome number
12
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
12q13.11
Summary Summary of gene provided in NCBI Entrez Gene.
This gene encodes the alpha-1 chain of type II collagen, a fibrillar collagen found in cartilage and the vitreous humor of the eye. Mutations in this gene are associated with achondrogenesis, chondrodysplasia, early onset familial osteoarthritis, SED cong
SNPs SNP information provided by dbSNP.
SNP ID Visualize variation Clinical significance Consequence
rs121912864 C>T Pathogenic Coding sequence variant, missense variant
rs121912868 C>T Pathogenic Coding sequence variant, missense variant
rs121912869 G>A Pathogenic Coding sequence variant, stop gained
rs121912870 C>T Pathogenic-likely-pathogenic, pathogenic Coding sequence variant, missense variant
rs121912871 C>T Pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
miRTarBase ID miRNA Experiments Reference
MIRT048314 hsa-miR-106a-5p CLASH 23622248
MIRT053741 hsa-miR-29b-3p Microarray 22942087
Transcription factors
Transcription factor Regulation Reference
NFKB1 Repression 19022820
RELA Repression 19022820
SOX9 Activation 18636947;20529846
SOX9 Repression 12713737
SOX9 Unknown 15623506;18759300;20039424
Gene ontology (GO) Gene ontology information of associated ontologies with gene provided by GO database.
GO ID Ontology Definition Evidence Reference
GO:0001501 Process Skeletal system development IMP 1429602
GO:0001502 Process Cartilage condensation IEA
GO:0001503 Process Ossification IEA
GO:0001894 Process Tissue homeostasis IEA
GO:0001958 Process Endochondral ossification IEA
Other IDs Other ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
120140 2200 ENSG00000139219
Protein
UniProt ID P02458
Protein name Collagen alpha-1(II) chain (Alpha-1 type II collagen) [Cleaved into: Collagen alpha-1(II) chain; Chondrocalcin]
Protein function Type II collagen is specific for cartilaginous tissues. It is essential for the normal embryonic development of the skeleton, for linear growth and for the ability of cartilage to resist compressive forces.
PDB 1U5M , 2FSE , 2SEB , 5NIR , 5OCX , 5OCY , 6BIN , 6HG7 , 6NIX , 7NZE
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00093 VWC 34 89 von Willebrand factor type C domain Family
PF01391 Collagen 116 182 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 199 260 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 237 317 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 429 498 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 792 860 Collagen triple helix repeat (20 copies) Repeat
PF01391 Collagen 1158 1217 Collagen triple helix repeat (20 copies) Repeat
PF01410 COLFI 1251 1486 Fibrillar collagen C-terminal domain Family
Tissue specificity TISSUE SPECIFICITY: Isoform 2 is highly expressed in juvenile chondrocyte and low in fetal chondrocyte. {ECO:0000269|PubMed:2355003}.
Sequence
MIRLGAPQTLVLLTLLVAAVLRCQGQDVQEAGSCVQDGQRYNDKDVWKPEPCRICVCDTG
TVLCDDIICEDVKDCLSPEIPFGECCPIC
PTDLATASGQPGPKGQKGEPGDIKDIVGPKG
PPGPQGPAGEQGPRGDRGDKGEKGAPGPRGRDGEPGTPGNPGPPGPPGPPGPPGLGGNFA
AQ
MAGGFDEKAGGAQLGVMQGPMGPMGPRGPPGPAGAPGPQGFQGNPGEPGEPGVSGPMG
PRGPPGPPGKPGDDGEAGKP
GKAGERGPPGPQGARGFPGTPGLPGVKGHRGYPGLDGAKG
EAGAPGVKGESGSPGEN
GSPGPMGPRGLPGERGRTGPAGAAGARGNDGQPGPAGPPGPVG
PAGGPGFPGAPGAKGEAGPTGARGPEGAQGPRGEPGTPGSPGPAGASGNPGTDGIPGAKG
SAGAPGIAGAPGFPGPRGPPGPQGATGPLGPKGQTGEPGIAGFKGEQGPKGEPGPAGPQG
APGPAGEEGKRGARGEPG
GVGPIGPPGERGAPGNRGFPGQDGLAGPKGAPGERGPSGLAG
PKGANGDPGRPGEPGLPGARGLTGRPGDAGPQGKVGPSGAPGEDGRPGPPGPQGARGQPG
VMGFPGPKGANGEPGKAGEKGLPGAPGLRGLPGKDGETGAAGPPGPAGPAGERGEQGAPG
PSGFQGLPGPPGPPGEGGKPGDQGVPGEAGAPGLVGPRGERGFPGERGSPGAQGLQGPRG
LPGTPGTDGPKGASGPAGPPGAQGPPGLQGMPGERGAAGIAGPKGDRGDVGEKGPEGAPG
KDGGRGLTGPIGPPGPAGANGEKGEVGPPGPAGSAGARGAPGERGETGPPGPAGFAGPPG
ADGQPGAKGEQGEAGQKGDA
GAPGPQGPSGAPGPQGPTGVTGPKGARGAQGPPGATGFPG
AAGRVGPPGSNGNPGPPGPPGPSGKDGPKGARGDSGPPGRAGEPGLQGPAGPPGEKGEPG
DDGPSGAEGPPGPQGLAGQRGIVGLPGQRGERGFPGLPGPSGEPGKQGAPGASGDRGPPG
PVGPPGLTGPAGEPGREGSPGADGPPGRDGAAGVKGDRGETGAVGAPGAPGPPGSPGPAG
PTGKQGDRGEAGAQGPMGPSGPAGARGIQGPQGPRGDKGEAGEPGERGLKGHRGFTGLQG
LPGPPGPSGDQGASGPAGPSGPRGPPGPVGPSGKDGANGIPGPIGPPGPRGRSGETGPAG
PPGNPGPPGPPGPPGPG
IDMSAFAGLGPREKGPDPLQYMRADQAAGGLRQHDAEVDATLK
SLNNQIESIRSPEGSRKNPARTCRDLKLCHPEWKSGDYWIDPNQGCTLDAMKVFCNMETG
ETCVYPNPANVPKKNWWSSKSKEKKHIWFGETINGGFHFSYGDDNLAPNTANVQMTFLRL
LSTEGSQNITYHCKNSIAYLDEAAGNLKKALLIQGSNDVEIRAEGNSRFTYTALKDGCTK
HTGKWGKTVIEYRSQKTSRLPIIDIAPMDIGGPEQEFGVDIGPVCF
L
Sequence length 1487
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
Protein digestion and absorption
Human papillomavirus infection
  Collagen degradation
Extracellular matrix organization
Collagen biosynthesis and modifying enzymes
Signaling by PDGF
Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell
Assembly of collagen fibrils and other multimeric structures
Integrin cell surface interactions
Non-integrin membrane-ECM interactions
ECM proteoglycans
NCAM1 interactions
MET activates PTK2 signaling
Collagen chain trimerization
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Associated diseases Disease associations categorized as Causal (pathogenic variants), Unknown (uncertain genetic evidence), or Text Mining (literature-based associations)
Causal Diseases caused by PATHOGENIC or LIKELY PATHOGENIC variants from ClinVar only
Disease merge term Disease name dbSNP ID References
Achondrogenesis Achondrogenesis type II rs1555165335, rs121912876, rs886044555, rs1555165245, rs121912888, rs1057518911, rs1592235241, rs765795867, rs121912878, rs868417981, rs121912879, rs121912884, rs1565681966, rs1555166729, rs121912899
View all (2 more)
N/A
Aseptic necrosis avascular necrosis of femoral head, primary, 1 rs121912891, rs387906558 N/A
Connective Tissue Disease Connective tissue disorder rs121912870, rs1555167139, rs1085307608, rs527236145, rs1939205327 N/A
Kniest Dysplasia kniest dysplasia rs794727377, rs1565686170, rs2136609285, rs121912877, rs587776847 N/A
Unknown Includes: (1) ClinVar NON-pathogenic variants (Uncertain, Benign, Conflicting, VUS), (2) GenCC associations, (3) GWAS associations, (4) CBGDA evidence-based associations. NOTE: Diseases with pathogenic evidence are excluded to avoid conflicts.
Disease merge term Disease name Evidence References Source
Coronary artery disease Coronary artery disease N/A N/A GWAS
Diabetes Type 2 diabetes N/A N/A GWAS
hearing impairment Hearing impairment N/A N/A ClinVar
mass syndrome MASS syndrome N/A N/A ClinVar
Associations from Text Mining Disease associations identified through Pubtator
Disease Name Relationship Type References
Achondrogenesis type 2 Associate 3195588, 34573377, 36939200, 7741714, 7829510
Achondroplasia Associate 3005580, 9258750
Albinism Associate 39596324
Alzheimer Disease Associate 32854783
Arrhythmogenic Right Ventricular Dysplasia Associate 35791160
Arthritis Associate 20131279
Arthritis Rheumatoid Inhibit 35955467
Arthropathy progressive pseudorheumatoid of childhood Associate 26183434
Ascending aortic aneurysm hypertelorism bifid uvula cleft palate and arterial tortuosity Associate 30170566
Astrocytoma Associate 25521223