Search Results

Overview

Uniprot IDP06727
Protein NameApolipoprotein A-IV
Gene NameAPOA4
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
123 HANEVSQKIGDNLRE
187 RPHADELKAKIDQNV
189 HADELKAKIDQNVEE
198 DQNVEELKGRLTPYA
211 YADEFKVKIDQTVEE
253 KKNAEELKARISASA
287 GNTEGLQKSLAELGG
316 PYGENFNKALVQQME
350 LEKDLRDKVNSFFST
97 RLAKDSEKLKEEIGK

Function

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

Protein Sequence

10 MFLKAVVLTL 20 ALVAVAGARA 30 EVSADQVATV 40 MWDYFSQLSN 50 NAKEAVEHLQ 60 KSELTQQLNA 70 LFQDKLGEVN 80 TYAGDLQKKL 90 VPFATELHER 100 LAKDSEKLKE 110 EIGKELEELR 120 ARLLPHANEV 130 SQKIGDNLRE 140 LQQRLEPYAD 150 QLRTQVSTQA 160 EQLRRQLTPY 170 AQRMERVLRE 180 NADSLQASLR 190 PHADELKAKI 200 DQNVEELKGR 210 LTPYADEFKV 220 KIDQTVEELR 230 RSLAPYAQDT 240 QEKLNHQLEG 250 LTFQMKKNAE 260 ELKARISASA 270 EELRQRLAPL 280 AEDVRGNLRG 290 NTEGLQKSLA 300 ELGGHLDQQV 310 EEFRRRVEPY 320 GENFNKALVQ 330 QMEQLRQKLG 340 PHAGDVEGHL 350 SFLEKDLRDK 360 VNSFFSTFKE 370 KESQDKTLSL 380 PELEQQQEQQ 390 QEQQQEQVQM LAPLES

Gene Ontology

Classification GO ID Description
Cellular Component GO:0072562 blood microparticle
Cellular Component GO:0042627 chylomicron
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005769 early endosome
Cellular Component GO:0005788 endoplasmic reticulum lumen
Cellular Component GO:0070062 extracellular exosome
Cellular Component GO:0005576 extracellular region
Cellular Component GO:0005615 extracellular space
Cellular Component GO:1903561 extracellular vesicle
Cellular Component GO:0034364 high-density lipoprotein particle
Cellular Component GO:0034362 low-density lipoprotein particle
Cellular Component GO:0045202 synapse
Cellular Component GO:0034361 very-low-density lipoprotein particle
Molecular Function GO:0016209 antioxidant activity
Molecular Function GO:0120020 cholesterol transfer activity
Molecular Function GO:0005507 copper ion binding
Molecular Function GO:0042802 identical protein binding
Molecular Function GO:0008289 lipid binding
Molecular Function GO:0005319 lipid transporter activity
Molecular Function GO:0031210 phosphatidylcholine binding
Molecular Function GO:0060228 phosphatidylcholine-sterol O-acyltransferase activator activity
Molecular Function GO:0005543 phospholipid binding
Molecular Function GO:0042803 protein homodimerization activity
Biological Process GO:0055090 acylglycerol homeostasis
Biological Process GO:0033344 cholesterol efflux
Biological Process GO:0042632 cholesterol homeostasis
Biological Process GO:0008203 cholesterol metabolic process
Biological Process GO:0034378 chylomicron assembly
Biological Process GO:0034371 chylomicron remodeling
Biological Process GO:0034375 high-density lipoprotein particle remodeling
Biological Process GO:0042744 hydrogen peroxide catabolic process
Biological Process GO:0002227 innate immune response in mucosa
Biological Process GO:0007159 leukocyte cell-cell adhesion
Biological Process GO:0016042 lipid catabolic process
Biological Process GO:0055088 lipid homeostasis
Biological Process GO:0006869 lipid transport
Biological Process GO:0042157 lipoprotein metabolic process
Biological Process GO:0034445 negative regulation of plasma lipoprotein oxidation
Biological Process GO:0014012 peripheral nervous system axon regeneration
Biological Process GO:0046470 phosphatidylcholine metabolic process
Biological Process GO:0033700 phospholipid efflux
Biological Process GO:0045723 positive regulation of fatty acid biosynthetic process
Biological Process GO:0010898 positive regulation of triglyceride catabolic process
Biological Process GO:0065005 protein-lipid complex assembly
Biological Process GO:0032374 regulation of cholesterol transport
Biological Process GO:0019430 removal of superoxide radicals
Biological Process GO:0006982 response to lipid hydroperoxide
Biological Process GO:0035634 response to stilbenoid
Biological Process GO:0034014 response to triglyceride
Biological Process GO:0043691 reverse cholesterol transport
Biological Process GO:0034372 very-low-density lipoprotein particle remodeling

Reference

[1] Lin Y, Chen M, Wang D, Yu Y, Chen R et al.. Multi-Proteomic Analysis Reveals the Effect of Protein Lactylation on Matrix and Cholesterol Metabolism in Tendinopathy.. J Proteome Res 22(6):1712-1722. 2023 Jun 2. PMID: 37159428.