COL2A1 and C1QA

Data Source:
HPRD (in vitro)

		COL2A1	C1QA
Description		collagen type II alpha 1 chain	complement C1q A chain
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GO Annotations	Cellular Component	Extracellular Region Collagen Trimer Collagen Type II Trimer Basement Membrane Extracellular Space Endoplasmic Reticulum Lumen Extracellular Matrix Collagen-containing Extracellular Matrix	Extracellular Region Collagen Trimer Complement Component C1 Complex Synapse Collagen-containing Extracellular Matrix Postsynapse
	Molecular Function	Extracellular Matrix Structural Constituent Extracellular Matrix Structural Constituent Conferring Tensile Strength MHC Class II Protein Binding Identical Protein Binding Proteoglycan Binding Metal Ion Binding Platelet-derived Growth Factor Binding	Amyloid-beta Binding Protein Binding
	Biological Process	Skeletal System Development Cartilage Condensation Tissue Homeostasis Endochondral Ossification Chondrocyte Differentiation Heart Morphogenesis Proteoglycan Metabolic Process Central Nervous System Development Visual Perception Sensory Perception Of Sound Regulation Of Gene Expression Extracellular Matrix Organization Collagen Fibril Organization Notochord Development Inner Ear Morphogenesis Regulation Of Immune Response Cartilage Development Roof Of Mouth Development Limb Bud Formation Embryonic Skeletal Joint Morphogenesis Cartilage Development Involved In Endochondral Bone Morphogenesis Otic Vesicle Development Cellular Response To BMP Stimulus Anterior Head Development Negative Regulation Of Extrinsic Apoptotic Signaling Pathway In Absence Of Ligand	Microglial Cell Activation Complement Activation Complement Activation, Classical Pathway Cell-cell Signaling Aging Response To Iron Ion Viral Process Neuron Remodeling Regulation Of Complement Activation Innate Immune Response Astrocyte Activation Synapse Organization Synapse Pruning Complement-mediated Synapse Pruning Vertebrate Eye-specific Patterning Positive Regulation Of Neuron Death
Pathways		Collagen degradation 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 Integrin cell surface interactions Non-integrin membrane-ECM interactions ECM proteoglycans ECM proteoglycans NCAM1 interactions MET activates PTK2 signaling Collagen chain trimerization	Initial triggering of complement Classical antibody-mediated complement activation Regulation of Complement cascade
Drugs		Collagenase clostridium histolyticum	Cetuximab Etanercept Palivizumab Daclizumab Bevacizumab
Diseases		Type II collagenopathies, including: Achondrogenesis II; Hypochondrogenesis; SED congenita; SMED Strudwick type; Kniest dysplasia; Spondyloperipheral dysplasia; Osteoarthritis with mild chondrodysplasia; Stickler syndrome 1; Platyspondylic skeletal dysplasia, Torrance type; Epiphyseal dysplasia, multiple, with myopia and deafness; Czech dysplasia Vitreoretinal degeneration, including: Stickler syndrome type I (STL1); Stickler syndrome type II (STL2); Snowflake vitreoretinal degeneration (SVD); Wagner syndrome 1 (WGN1); Knobloch syndrome (KNO); Enhanced S-cone syndrome (ESCS); Autosomal dominant vitreoretinochoroidopathy (ADVIRC) Osteoarthritis with mild chondrodysplasia	Classic complement pathway component defects, including the following eight diseases: C1q alpha-chain deficiency; C1q beta-chain deficiency; C1q gamma-chain deficiency; C1r deficiency; C1s deficiency; C2 deficiency; C3 deficiency; C4 deficiency
GWAS		Lymphocyte counts ( 32888494) Macular thickness ( 30535121) Monocyte count ( 32888494) Neutrophil percentage of white cells ( 32888494) Retinal detachment or retinal break ( 31816047) Rheumatoid arthritis ( 30891314)	Inflammatory biomarkers (multivariate analysis) ( 33110245)
Interacting Genes		33 interacting genes: ANXA5 BGN BMP2 C1QA CHAD COL6A1 COL9A2 COL9A3 COMP DDR1 FGF7 FN1 HTRA1 HYAL1 ITGA2B KEAP1 LOXL4 MAG MATN1 MMP1 MMP13 PCOLCE PDGFA PDGFB PDIA2 PKD1 PRELP RELA SPARC TGFB1 TGFBI THBS1 TNFRSF10A	28 interacting genes: APCS BAG6 C1QB C1QBP C1QC C1R C1S CD93 COL2A1 CR1 CRP CSPG4 DCN FN1 GNPNAT1 HIPK3 HRG HSPB2 NLGN3 PIAS2 PPP1CA PPP1CC PTX3 SGTA SGTB SLC25A47 UBQLN1 UBQLN2
Entrez ID		1280	712
HPRD ID		00361	00393
Ensembl ID		ENSG00000139219	ENSG00000173372
Uniprot IDs		P02458	A0A024RAG6 P02745
PDB IDs		1U5M 2FSE 2SEB 5NIR 5OCX 5OCY 6BIN 6NIX	1PK6 2JG8 2JG9 2WNU 2WNV 5HKJ 5HZF 6FCZ 6Z6V
Enriched GO Terms of Interacting Partners?
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