CR1 and C1QA

Data Source:
HPRD (in vitro)

		CR1	C1QA
Description		complement C3b/C4b receptor 1 (Knops blood group)	complement C1q A chain
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GO Annotations	Cellular Component	Cytoskeleton Plasma Membrane Integral Component Of Plasma Membrane Cell Surface Secretory Granule Membrane Plasma Membrane Raft Extracellular Exosome Ficolin-1-rich Granule Membrane	Extracellular Region Collagen Trimer Complement Component C1 Complex Synapse Collagen-containing Extracellular Matrix Postsynapse
	Molecular Function	Virus Receptor Activity Complement Component C3b Binding Complement Component C4b Binding Complement Component C4b Receptor Activity Complement Component C3b Receptor Activity Protein Binding	Amyloid-beta Binding Protein Binding
	Biological Process	Positive Regulation Of Activation Of Membrane Attack Complex Negative Regulation Of Activation Of Membrane Attack Complex Complement Receptor Mediated Signaling Pathway Immune Complex Clearance By Erythrocytes Negative Regulation Of Immunoglobulin Production Complement Activation, Alternative Pathway Complement Activation, Classical Pathway Plasma Membrane Organization Positive Regulation Of Cell Population Proliferation Regulation Of Complement Activation Negative Regulation Of Interferon-gamma Production Negative Regulation Of Interleukin-2 Production Negative Regulation Of T Cell Proliferation Neutrophil Degranulation Regulation Of Regulatory T Cell Differentiation Positive Regulation Of Regulatory T Cell Differentiation Negative Regulation Of Complement Activation Negative Regulation Of Cytolysis Negative Regulation Of Complement Activation, Alternative Pathway Negative Regulation Of Complement Activation, Classical Pathway Viral Entry Into Host Cell Negative Regulation Of Serine-type Endopeptidase Activity Positive Regulation Of Serine-type Endopeptidase Activity Negative Regulation Of Plasma Cell Differentiation ATP Export	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		Neutrophil degranulation RUNX1 and FOXP3 control the development of regulatory T lymphocytes (Tregs) Regulation of Complement cascade	Initial triggering of complement Classical antibody-mediated complement activation Regulation of Complement cascade
Drugs			Cetuximab Etanercept Palivizumab Daclizumab Bevacizumab
Diseases			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		Alzheimer's disease ( 21460840 19734903 31473137) Alzheimer's disease (late onset) ( 21460841 30617256 24162737 28714976) Alzheimer's disease (onset between ages 58 and 79) ( 30979435) Alzheimer's disease in APOE e4+ carriers ( 25778476) Alzheimer's disease or family history of Alzheimer's disease ( 30617256) Alzheimer's disease or fasting insulin levels (pleiotropy) ( 30805717) Erythrocyte sedimentation rate ( 21700265) Family history of Alzheimer's disease ( 30617256) Inflammatory biomarkers ( 22291609) Metabolite levels ( 23823483) Refractive error ( 32231278) Systemic sclerosis ( 29293537)	Inflammatory biomarkers (multivariate analysis) ( 33110245)
Interacting Genes		6 interacting genes: C1QA C3 C4A CD55 CR2 FUT4	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		1378	712
HPRD ID		00398	00393
Ensembl ID		ENSG00000203710	ENSG00000173372
Uniprot IDs		E9PDY4 P17927	A0A024RAG6 P02745
PDB IDs		1GKG 1GKN 1GOP 1PPQ 2MCY 2MCZ 2Q7Z 5FO9	1PK6 2JG8 2JG9 2WNU 2WNV 5HKJ 5HZF 6FCZ 6Z6V
Enriched GO Terms of Interacting Partners?
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