C1QA and C1R

Number of citations: 0 (PubMedID 2372546)
Data Source: HPRD (in vitro)

		C1QA	C1R
Name		complement C1q A chain	complement C1r
Structure
GO Annotations	Cellular Component	Extracellular Region Collagen Trimer Complement Component C1 Complex Cell Surface Extracellular Matrix Synapse Complement Component C1q Complex Postsynapse Extrinsic Component Of Presynaptic Membrane Extrinsic Component Of Postsynaptic Membrane Glutamatergic Synapse Symbiont Cell Surface	Extracellular Region Complement Component C1 Complex Extracellular Space Cell Surface Extracellular Exosome Blood Microparticle Symbiont Cell Surface
	Molecular Function	Amyloid-beta Binding Phosphatidylserine Binding IgM Binding Protein Binding IgG Binding	Serine-type Endopeptidase Activity Calcium Ion Binding Protein Binding Peptidase Activity Serine-type Peptidase Activity Hydrolase Activity Identical Protein Binding Molecular Sequestering Activity
	Biological Process	Microglial Cell Activation Immune System Process Complement Activation Complement Activation, Classical Pathway Cell-cell Signaling Neuron Remodeling Innate Immune Response Astrocyte Activation Synapse Organization Synapse Pruning Complement-mediated Synapse Pruning Vertebrate Eye-specific Patterning	Activation Of Membrane Attack Complex Immune System Process Proteolysis Immune Response Complement Activation Complement Activation, Classical Pathway Opsonization Zymogen Activation Killing Of Cells Of Another Organism Innate Immune Response Protein Maturation
Pathways		Initial triggering of complement Classical antibody-mediated complement activation Regulation of Complement cascade	Initial triggering of complement Classical antibody-mediated complement activation Regulation of Complement cascade
Drugs		Cetuximab Etanercept Palivizumab Daclizumab Bevacizumab	Palivizumab Daclizumab Zinc Human C1-esterase inhibitor Conestat alfa Zinc acetate Zinc chloride Zinc sulfate, unspecified form
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	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		Inflammatory biomarkers (multivariate analysis) ( 33110245 )	No GWAS studies recorded
Interacting Genes		31 interacting genes: APCS BAG6 C1QB C1QBP C1QC C1R C1S CD93 COL2A1 CR1 CRP CSPG4 DCN FN1 GNPNAT1 HIPK3 HMGB1 HRG HSPB2 NLGN3 PIAS2 PPP1CA PPP1CC PTX3 SGTA SGTB SLC25A47 TXN UBQLN1 UBQLN2 USP40	7 interacting genes: C1QA C1QB C1S CSNK2A1 EP300 PCK1 SERPING1
Entrez ID		712	715
HPRD ID		00393	01954
Ensembl ID		ENSG00000173372	ENSG00000159403
Uniprot IDs		P02745	A0A3B3ISR2 B4DPQ0 P00736
PDB IDs		1PK6 2JG8 2JG9 2WNU 2WNV 5HKJ 5HZF 6FCZ 6Z6V 9C9L 9C9U	1APQ 1GPZ 1MD7 1MD8 2QY0 6F1C 6F1D 6F1H 6F39 9EKD 9EKE
GO Terms Enriched among Interactors		Complement Component C1q Complex Binding Complement Activation, Classical Pathway Complement Component C1 Complex Complement Activation Blood Microparticle Cell Surface Opsonization Immune Effector Process Positive Regulation Of ERAD Pathway Symbiont Cell Surface Defense Response To Symbiont Defense Response To Other Organism Regulation Of ERAD Pathway Innate Immune Response Regulation Of Protein Metabolic Process Extracellular Region Response To Stress Humoral Immune Response Virion Binding Activation Of Immune Response Extracellular Matrix Positive Regulation Of Response To Endoplasmic Reticulum Stress Post-translational Protein Targeting To Endoplasmic Reticulum Membrane Response To External Biotic Stimulus Regulation Of Immune System Process Immune System Process Positive Regulation Of Immune Response Defense Response Response To Other Organism Negative Regulation By Host Of Viral Glycoprotein Metabolic Process TRC Complex Regulation Of Immune Response Immune Response Extracellular Space Identical Protein Binding Negative Regulation Of Endothelial Cell Migration Complement Component C1q Complex Positive Regulation Of Immune System Process Protein Targeting To ER Regulation Of Response To Endoplasmic Reticulum Stress ERAD Pathway Regulation Of Multicellular Organismal Development Establishment Of Protein Localization To Endoplasmic Reticulum IgM Binding Positive Regulation Of Proteolysis Negative Regulation Of Immune System Process Polyubiquitin Modification-dependent Protein Binding Acute-phase Response Positive Regulation Of Proteasomal Protein Catabolic Process Postsynapse	Complement Component C1 Complex Symbiont Cell Surface Complement Component C1q Complex Complement Activation, Classical Pathway Regulation Of Immune Response IgM Binding Complement Activation Positive Regulation Of Immune Response Synapse Pruning Regulation Of Immune System Process IgG Binding Blood Microparticle Activation Of Immune Response Tricarboxylic Acid Metabolic Process Positive Regulation Of Immune System Process Humoral Immune Response Gluconeogenesis Phosphatidylserine Binding Protein Maturation Hexose Biosynthetic Process Pyruvate Metabolic Process Peptidyl-lysine Propionylation Swimming Histone Lactyltransferase (CoA-dependent) Activity Peptidyl-lysine Butyrylation Peptidyl-lysine Crotonylation Histone H3K122 Acetyltransferase Activity Histone Butyryltransferase Activity Histone Crotonyltransferase Activity Protein Serine Kinase Activity (using GTP As Donor) Collagen Trimer Immune Effector Process Negative Regulation Of Complement Activation, Lectin Pathway Extracellular Matrix Response To Stress Histone H2B Acetyltransferase Activity Acetylation-dependent Protein Binding Peptide Butyryltransferase Activity Peptide 2-hydroxyisobutyryltransferase Activity Protein Propionyltransferase Activity Histone H3K27 Acetyltransferase Activity Peptide Crotonyltransferase Activity Phosphoenolpyruvate Carboxykinase (GTP) Activity Phosphoenolpyruvate Carboxykinase Activity Glycerol Biosynthetic Process From Pyruvate Propionate Catabolic Process Response To Other Organism Protein Localization To Chromosome Carbohydrate Biosynthetic Process Vertebrate Eye-specific Patterning