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PBID | Uniprot | Name | Gene | Alternative | Organism | Uniprot Description |
PB0049 | P06727 | Apolipoprotein A-IV | APOA4 | apolipoprotein A4 | Homo_sapiens | May have a role in chylomicrons and VLDL secretion and catabolism. Required for efficient activation of lipoprotein lipase by ApoC-II; potent activator of LCAT. Apoa-IV is a major component of HDL and chylomicrons. |
Domains | Gene Ontology |
PF01442 (2_Apolipoprotein) |
GO:0009986 (colocalizes with) cell surface
GO:0005319 (enables) lipid transporter activity GO:0005507 (enables) copper ion binding GO:0005515 (enables) protein binding GO:0005543 (enables) phospholipid binding GO:0008289 (enables) lipid binding GO:0015485 (enables) cholesterol binding GO:0016209 (enables) antioxidant activity GO:0031210 (enables) phosphatidylcholine binding GO:0042802 (enables) identical protein binding GO:0042803 (enables) protein homodimerization activity GO:0060228 (enables) phosphatidylcholine-sterol O-acyltransferase activator activity GO:0120020 (enables) cholesterol transfer activity GO:0002227 (involved in) innate immune response in mucosa GO:0006695 (involved in) cholesterol biosynthetic process GO:0006869 (involved in) lipid transport GO:0006982 (involved in) response to lipid hydroperoxide GO:0007159 (involved in) leukocyte cell-cell adhesion GO:0008203 (involved in) cholesterol metabolic process GO:0010873 (involved in) positive regulation of cholesterol esterification GO:0010898 (involved in) positive regulation of triglyceride catabolic process GO:0014012 (involved in) peripheral nervous system axon regeneration GO:0016042 (involved in) lipid catabolic process GO:0019430 (involved in) removal of superoxide radicals GO:0030300 (involved in) regulation of intestinal cholesterol absorption GO:0032374 (involved in) regulation of cholesterol transport GO:0033344 (involved in) cholesterol efflux GO:0033700 (involved in) phospholipid efflux GO:0034014 (involved in) response to triglyceride GO:0034371 (involved in) chylomicron remodeling GO:0034372 (involved in) very-low-density lipoprotein particle remodeling GO:0034375 (involved in) high-density lipoprotein particle remodeling GO:0034378 (involved in) chylomicron assembly GO:0034380 (involved in) high-density lipoprotein particle assembly GO:0034445 (involved in) negative regulation of plasma lipoprotein oxidation GO:0035634 (involved in) response to stilbenoid GO:0042157 (involved in) lipoprotein metabolic process GO:0042632 (involved in) cholesterol homeostasis GO:0042744 (involved in) hydrogen peroxide catabolic process GO:0043691 (involved in) reverse cholesterol transport GO:0045723 (involved in) positive regulation of fatty acid biosynthetic process GO:0046470 (involved in) phosphatidylcholine metabolic process GO:0046889 (involved in) positive regulation of lipid biosynthetic process GO:0051006 (involved in) positive regulation of lipoprotein lipase activity GO:0055088 (involved in) lipid homeostasis GO:0065005 (involved in) protein-lipid complex assembly GO:0070328 (involved in) triglyceride homeostasis GO:0120009 (involved in) intermembrane lipid transfer GO:0005576 (located in) extracellular region GO:0005615 (located in) extracellular space GO:0005769 (located in) early endosome GO:0005788 (located in) endoplasmic reticulum lumen GO:0005829 (located in) cytosol GO:0045202 (located in) synapse GO:0062023 (located in) collagen-containing extracellular matrix GO:0070062 (located in) extracellular exosome GO:0072562 (located in) blood microparticle GO:0034361 (part of) very-low-density lipoprotein particle GO:0034364 (part of) high-density lipoprotein particle GO:0042627 (part of) chylomicron |
External Links | Description |
Intact | Open source database system and analysis tools for molecular interaction data. |
Protein Atlas | An open access resource for human proteins |
InterPro (new pfam) | InterPro provides functional analysis of proteins by classifying them into families and predicting domains and important sites. |