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Overview

Uniprot IDQ9NQ94
Protein NameAPOBEC1 complementation factor
Gene NameA1CF
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
6 **MESNHKSGDGLSG

Function

Essential component of the apolipoprotein B mRNA editing enzyme complex which is responsible for the postranscriptional editing of a CAA codon for Gln to a UAA codon for stop in APOB mRNA. Binds to APOB mRNA and is probably responsible for docking the catalytic subunit, APOBEC1, to the mRNA to allow it to deaminate its target cytosine. The complex also protects the edited APOB mRNA from nonsense-mediated decay

Protein Sequence

10 MESNHKSGDG 20 LSGTQKEAAL 30 RALVQRTGYS 40 LVQENGQRKY 50 GGPPPGWDAA 60 PPERGCEIFI 70 GKLPRDLFED 80 ELIPLCEKIG 90 KIYEMRMMMD 100 FNGNNRGYAF 110 VTFSNKVEAK 120 NAIKQLNNYE 130 IRNGRLLGVC 140 ASVDNCRLFV 150 GGIPKTKKRE 160 EILSEMKKVT 170 EGVVDVIVYP 180 SAADKTKNRG 190 FAFVEYESHR 200 AAAMARRKLL 210 PGRIQLWGHG 220 IAVDWAEPEV 230 EVDEDTMSSV 240 KILYVRNLML 250 STSEEMIEKE 260 FNNIKPGAVE 270 RVKKIRDYAF 280 VHFSNREDAV 290 EAMKALNGKV 300 LDGSPIEVTL 310 AKPVDKDSYV 320 RYTRGTGGRG 330 TMLQGEYTYS 340 LGQVYDPTTT 350 YLGAPVFYAP 360 QTYAAIPSLH 370 FPATKGHLSN 380 RAIIRAPSVR 390 EIYMNVPVGA 400 AGVRGLGGRG 410 YLAYTGLGRG 420 YQVKGDKRED 430 KLYDILPGME 440 LTPMNPVTLK 450 PQGIKLAPQI 460 LEEICQKNNW 470 GQPVYQLHSA 480 IGQDQRQLFL 490 YKITIPALAS 500 QNPAIHPFTP 510 PKLSAFVDEA 520 KTYAAEYTLQ 530 TLGIPTDGGD 540 GTMATAAAAA 550 TAFPGYAVPN 560 ATAPVSAAQL 570 KQAVTLGQDL 580 AAYTTYEVYP 590 TFAVTARGDG YGTF

Gene Ontology

Classification GO ID Description
Cellular Component GO:0030895 apolipoprotein B mRNA editing enzyme complex
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Molecular Function GO:0140767 enzyme-substrate adaptor activity
Molecular Function GO:0003729 mRNA binding
Molecular Function GO:0003727 single-stranded RNA binding
Biological Process GO:0141166 chromosomal 5-methylcytosine DNA demethylation pathway
Biological Process GO:0016554 cytidine to uridine editing
Biological Process GO:0016556 mRNA modification
Biological Process GO:0006397 mRNA processing
Biological Process GO:2000623 negative regulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay
Biological Process GO:0050821 protein stabilization

Reference

[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.