C1QA and C1S

Number of citations: 0 (PubMedID 10878362)
Data Source: HPRD (in vitro)

		C1QA	C1S
Name		complement C1q A chain	complement C1s
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 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 Metal Ion Binding
	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 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	Zinc 2-(2-Hydroxy-1,1-Dihydroxymethyl-Ethylamino)-Ethanesulfonic Acid Human C1-esterase inhibitor Copper Conestat alfa Zinc acetate Zinc chloride Zinc sulfate, unspecified form Sutimlimab
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 )	Activated partial thromboplastin time ( 29403010 ) Alzheimer's disease ( 33654092 ) Coronary artery disease ( 29212778 33020668 ) Eosinophil count ( 32888494 ) Eosinophil percentage of white cells ( 32888494 ) Lung cancer in never smokers ( 28604730 ) Mean reticulocyte volume ( 32888494 ) Mean spheric corpuscular volume ( 32888494 ) Red blood cell fatty acid levels ( 25500335 ) Red cell distribution width ( 27863252 32888494 ) Refractive error ( 32231278 )
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	6 interacting genes: C1QA C1R PKNOX1 REEP4 SERPING1 VKORC1
Entrez ID		712	716
HPRD ID		00393	00397
Ensembl ID		ENSG00000173372	ENSG00000182326
Uniprot IDs		P02745	F8WCZ6 P09871
PDB IDs		1PK6 2JG8 2JG9 2WNU 2WNV 5HKJ 5HZF 6FCZ 6Z6V 9C9L 9C9U	1ELV 1NZI 4J1Y 4LMF 4LOR 4LOS 4LOT 6F1C 6F1H 8GMN 8TYP
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 Activation, Classical Pathway Complement Activation Coagulation Negative Regulation Of Complement Activation, Lectin Pathway Blood Coagulation Hemostasis IMP Dehydrogenase Activity Peptidyl-glutamic Acid Carboxylation Oxidoreductase Activity, Acting On CH Or CH2 Groups, Disulfide As Acceptor Vitamin-K-epoxide Reductase (warfarin-insensitive) Activity Vitamin-K-epoxide Reductase (warfarin-sensitive) Activity Blood Microparticle Leukocyte Activation Complement Component C1q Complex Vertebrate Eye-specific Patterning Extrinsic Component Of Presynaptic Membrane Complement-mediated Synapse Pruning Cell Activation IgM Binding Extrinsic Component Of Postsynaptic Membrane 'de Novo' XMP Biosynthetic Process Immune System Process Synapse Pruning GTP Biosynthetic Process Quinone Binding Mitotic Nuclear Membrane Reassembly Extracellular Region Regulation Of Immune Response Regulation Of Body Fluid Levels Endoplasmic Reticulum Lumen Negative Regulation Of Complement Activation Neuron Remodeling Humoral Immune Response IgG Binding Activation Of Membrane Attack Complex GMP Biosynthetic Process Peptidyl-glutamic Acid Modification Vitamin K Metabolic Process Molecular Sequestering Activity Opsonization Astrocyte Activation Fibrinolysis Purine Ribonucleoside Monophosphate Biosynthetic Process GTP Metabolic Process Endoplasmic Reticulum Tubular Network Endoplasmic Reticulum Tubular Network Organization Regulation Of Complement Activation Nuclear Envelope Organization