MASP2 and C4A

Number of citations of the paper that reports this interaction (PubMedID 36100602)
67

Data Source:
BioGRID (enzymatic study)

		MASP2	C4A
Description		MBL associated serine protease 2	complement C4A (Chido/Rodgers blood group)
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GO Annotations	Cellular Component	Extracellular Region Extracellular Space Extracellular Exosome Symbiont Cell Surface	Extracellular Region Classical-complement-pathway C3/C5 Convertase Complex Extracellular Space Endoplasmic Reticulum Lumen Plasma Membrane Cell Surface Axon Dendrite Cell Projection Neuronal Cell Body Synapse Extracellular Exosome Blood Microparticle Symbiont Cell Surface
	Molecular Function	Complement Component C4b Binding Serine-type Endopeptidase Activity Calcium Ion Binding Protein Binding Peptidase Activity Serine-type Peptidase Activity Hydrolase Activity Identical Protein Binding Metal Ion Binding Calcium-dependent Protein Binding	Complement Binding Complement Component C1q Complex Binding Antigen Binding Endopeptidase Inhibitor Activity Protein Binding
	Biological Process	Complement Activation, Lectin Pathway 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	Complement Activation, Lectin Pathway Activation Of Membrane Attack Complex Immune System Process Inflammatory Response Complement Activation Complement Activation, Classical Pathway Opsonization Killing Of Cells Of Another Organism Innate Immune Response Protein Maturation Complement Activation, GZMK Pathway Positive Regulation Of Apoptotic Cell Clearance
Pathways			Initial triggering of complement Activation of C3 and C5 Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) Post-translational protein phosphorylation Regulation of Complement cascade
Drugs		beta-Hydroxyasparagine Narsoplimab	Human immunoglobulin G
Diseases		Mannose-binding lectin pathway component defects, including the following two diseases: Mannose-binding lectin deficiency; Mannose-binding lectin-associated serine protease (MASP) 2 deficiency	Systemic lupus erythematosus 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		Appendicular lean mass ( 33097823) Beard thickness ( 26926045) Body mass index ( 29273807) Eosinophil percentage of white cells ( 32888494) Male-pattern baldness ( 28196072)	Asthma ( 31619474) Autism spectrum disorder or schizophrenia ( 28540026) Feeling worry ( 29500382) Inflammatory bowel disease ( 28067908) Neurociticism ( 29500382) Neuromyelitis optica ( 29769526) Neuromyelitis optica (AQP4-IgG-positive) ( 29769526) Prostate cancer ( 23535732) Ulcerative colitis ( 28067908)
Interacting Genes		5 interacting genes: C4A FCN2 MBL2 SERPING1 TNFRSF14	8 interacting genes: APC APOA2 C3AR1 C5AR2 CR1 CST3 HSP90AA1 MASP2
Entrez ID		10747	720
HPRD ID		05484	00401
Ensembl ID		ENSG00000009724	ENSG00000244731
Uniprot IDs		A0A8V8TPN9 A0A8V8TQY3 O00187	P0C0L4
PDB IDs		1Q3X 1SZB 1ZJK 3TVJ 5JPM	1HZF 5JPM 5JPN 5JTW 6YSQ 7B2M 7B2P 7B2Q
Enriched GO Terms of Interacting Partners?		Complement Activation, Lectin Pathway Activation Of Membrane Attack Complex Opsonization Symbiont Cell Surface Complement Activation Regulation Of Immune Response Positive Regulation Of Phagocytosis Regulation Of Phagocytosis Positive Regulation Of Opsonization Blood Microparticle Killing Of Cells Of Another Organism Regulation Of Opsonization Defense Response To Gram-positive Bacterium Serine-type Endopeptidase Complex Regulation Of Immune System Process Positive Regulation Of Endocytosis Innate Immune Response Cell Killing Defense Response To Symbiont Defense Response To Other Organism Humoral Immune Response Antigen Binding Positive Regulation Of Immune Effector Process Complement Activation, Classical Pathway Zymogen Activation Pattern Recognition Receptor Activity Defense Response To Bacterium Protein Maturation Positive Regulation Of Immune System Process Regulation Of Endocytosis Response To Other Organism External Side Of Plasma Membrane Cell Surface Pattern Recognition Receptor Signaling Pathway Immune Response Immune Effector Process Response To Bacterium Activation Of Immune Response Response To External Biotic Stimulus Regulation Of Innate Immune Response Innate Immune Response Activating Cell Surface Receptor Signaling Pathway Defense Response Collagen Trimer Calcium-dependent Protein Binding Extracellular Space Defense Response To Gram-negative Bacterium Mannan Binding Regulation Of Vesicle-mediated Transport Negative Regulation Of Complement Activation, Lectin Pathway Positive Regulation Of Immune Response Lipoteichoic Acid Immune Receptor Activity	Complement Receptor Activity Complement Receptor Mediated Signaling Pathway Complement Component C4b Binding Complement Component C5a Receptor Activity Activation Of Immune Response Complement Component C5a Signaling Pathway Positive Regulation Of Immune Response Regulation Of Cytokine Production Regulation Of Immune System Process Regulation Of Immune Response Regulation Of Multicellular Organismal Process Positive Regulation Of Immune System Process Immune System Process Response To Stress Regulation Of Neutrophil Chemotaxis Complement Activation, Classical Pathway Defense Response Regulation Of Neutrophil Migration Immune Response-activating Cell Surface Receptor Signaling Pathway Immune Response-regulating Cell Surface Receptor Signaling Pathway Regulation Of Granulocyte Chemotaxis Complement Activation Positive Regulation Of Multicellular Organismal Process Negative Regulation Of Cytokine Production Immune Response-activating Signaling Pathway Complement Component C3a Receptor Activity Complement Component C3b Receptor Activity Immune Complex Clearance By Erythrocytes Complement Component C4b Receptor Activity Negative Regulation Of Serine-type Endopeptidase Activity Negative Regulation Of Collagen Catabolic Process Negative Regulation Of Elastin Catabolic Process CTP Binding DATP Binding Regulation Of Protein Catabolic Process Regulation Of Interleukin-8 Production Immune Response-regulating Signaling Pathway Positive Regulation Of Activation Of Membrane Attack Complex Negative Regulation Of Plasma Cell Differentiation Negative Regulation Of Blood Vessel Remodeling Neurofibrillary Tangle Assembly UTP Binding Sulfonylurea Receptor Binding Extracellular Exosome Positive Regulation Of Plasma Membrane Bounded Cell Projection Assembly Positive Regulation Of Cytokine Production Peptidyl-methionine Modification High-density Lipoprotein Particle Receptor Binding Negative Regulation Of Multicellular Organismal Process Negative Regulation Of Cholesterol Import
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