C4A and APOA2

Data Source:
HPRD (in vivo, in vitro)

		C4A	APOA2
Description		complement C4A (Rodgers blood group)	apolipoprotein A2
Image			No pdb structure
GO Annotations	Cellular Component	Extracellular Region Extracellular Space Endoplasmic Reticulum Lumen Plasma Membrane Axon Dendrite Neuronal Cell Body Synapse Extracellular Exosome Blood Microparticle	Extracellular Region Early Endosome Endoplasmic Reticulum Lumen Cytosol Very-low-density Lipoprotein Particle High-density Lipoprotein Particle Spherical High-density Lipoprotein Particle Chylomicron Extracellular Exosome Blood Microparticle
	Molecular Function	Complement Component C1q Complex Binding Endopeptidase Inhibitor Activity	Signaling Receptor Binding Lipid Transporter Activity Protein Binding Phospholipid Binding High-density Lipoprotein Particle Binding Lipid Binding Cholesterol Binding Heat Shock Protein Binding Phosphatidylcholine Binding Apolipoprotein Receptor Binding Protein Homodimerization Activity Protein Heterodimerization Activity Lipase Inhibitor Activity Phosphatidylcholine-sterol O-acyltransferase Activator Activity High-density Lipoprotein Particle Receptor Binding Cholesterol Transfer Activity
	Biological Process	Inflammatory Response Complement Activation Complement Activation, Classical Pathway Negative Regulation Of Endopeptidase Activity Regulation Of Complement Activation Post-translational Protein Modification Cellular Protein Metabolic Process Innate Immune Response Positive Regulation Of Apoptotic Cell Clearance	Retinoid Metabolic Process Negative Regulation Of Cytokine Production Involved In Immune Response Triglyceride Metabolic Process Phosphatidylcholine Biosynthetic Process Cholesterol Metabolic Process Phospholipid Catabolic Process Response To Glucose Positive Regulation Of Cholesterol Esterification Negative Regulation Of Very-low-density Lipoprotein Particle Remodeling Viral Process Protein Oxidation Peptidyl-methionine Modification Regulation Of Lipid Metabolic Process Cholesterol Transport Regulation Of Protein Stability Negative Regulation Of Cholesterol Transport Positive Regulation Of Interleukin-8 Production Cholesterol Efflux Phospholipid Efflux Triglyceride-rich Lipoprotein Particle Remodeling Chylomicron Remodeling Low-density Lipoprotein Particle Remodeling High-density Lipoprotein Particle Remodeling Chylomicron Assembly High-density Lipoprotein Particle Assembly High-density Lipoprotein Particle Clearance Lipoprotein Metabolic Process Cholesterol Homeostasis Post-translational Protein Modification Reverse Cholesterol Transport Cellular Protein Metabolic Process Diacylglycerol Catabolic Process Positive Regulation Of Phagocytosis Protein Stabilization Negative Regulation Of Lipid Catabolic Process Positive Regulation Of Lipid Catabolic Process Negative Regulation Of Lipase Activity Negative Regulation Of Cholesterol Import Negative Regulation Of Cholesterol Transporter Activity Intermembrane Lipid Transfer
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	PPARA activates gene expression Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) Post-translational protein phosphorylation Chylomicron assembly Chylomicron remodeling Retinoid metabolism and transport Retinoid metabolism and transport
Drugs		Human immunoglobulin G	Zinc Copper Zinc acetate
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 Systemic lupus erythematosus	Familial amyloidosis
GWAS		Asthma ( 31619474) Autism spectrum disorder or schizophrenia ( 28540026) Blood protein levels ( 29875488 28240269) 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		7 interacting genes: APC APOA2 C3AR1 C5AR2 CR1 CST3 MASP2	31 interacting genes: ABCA13 APOA1 APOC1 APOD APOF AQP6 C4A CATSPER1 CIAO2A CREB3 CYBC1 GET1 GJA8 HSD17B13 KIR2DL3 LMNA MUC1 NAXE NDRG1 PANX1 PDZK1IP1 PLTP PSCA SCARB1 SLC7A1 SSMEM1 STOM TMEM45A TMEM82 TREM2 VKORC1
Entrez ID		720	336
HPRD ID		00401	00129
Ensembl ID		ENSG00000244731	ENSG00000158874
Uniprot IDs		P0C0L4	P02652
PDB IDs		1HZF 4FXG 4FXK 4XAM 5JPM 5JPN 5JTW
Enriched GO Terms of Interacting Partners?
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