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Overview

Uniprot IDH0V6J1
Protein NameEukaryotic translation initiation factor 3 subunit L
Gene NameEIF3L
OrganismCavia porcellus

Kla Sites from experimental identification

Position Flanking peptide
549 FFIRQIHKFEELNRT

Function

Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is required for several steps in the initiation of protein synthesis. The eIF-3 complex associates with the 40S ribosome and facilitates the recruitment of eIF-1, eIF-1A, eIF-2:GTP:methionyl-tRNAi and eIF-5 to form the 43S pre-initiation complex (43S PIC). The eIF-3 complex stimulates mRNA recruitment to the 43S PIC and scanning of the mRNA for AUG recognition. The eIF-3 complex is also required for disassembly and recycling of post-termination ribosomal complexes and subsequently prevents premature joining of the 40S and 60S ribosomal subunits prior to initiation. The eIF-3 complex specifically targets and initiates translation of a subset of mRNAs involved in cell proliferation, including cell cycling, differentiation and apoptosis, and uses different modes of RNA stem-loop binding to exert either translational activation or repression

Protein Sequence

10 MSYPADDYES 20 EAAYDPYAYP 30 GDYDMHTGDP 40 KQDLAYERQY 50 EQQTYQVIPE 60 VIKNFIQYFH 70 KTVSDLIDQK 80 VYELQASRVS 90 SDVIDQKVYE 100 IQDIYENSWT 110 KLTERFFKNT 120 PWPEAEAIAP 130 QVGNDAVFLI 140 LYKELYYRHI 150 YAKVSGGPSL 160 EQRFESYYNY 170 CNLFNYILNA 180 DGPAPLELPN 190 QWLWDIIDEF 200 IYQFQSFSQY 210 RCKTAKKSEE 220 EIDFLRSNPK 230 IWNVHSVLNV 240 LHSLVDKSNI 250 NRQLEVYTSG 260 GDPESVAGEY 270 GRHSLYKMLG 280 YFSLVGLLRL 290 HSLLGDYYQA 300 IKVLENIELN 310 KKSMYSRVPE 320 CQVTTYYYVG 330 FAYLMMRRYQ 340 DAIRVFANIL 350 LYIQRTKSMF 360 QRTTYKYEMI 370 NKQNEQMHAL 380 LAIALTMYPM 390 RIDESIHLQL 400 REKYGDKMLR 410 MQKGDPQVYE 420 ELFSYSCPKF 430 LSPVVPNYDN 440 VHPNYHKEPF 450 LQQLKVFSDE 460 VQQQAQLSTI 470 RSFLKLYTTM 480 PVAKLAGFLD 490 LTEQEFCIQL 500 LVFKHKMKNL 510 VWTSGISALD 520 GEFQSASEVD 530 FYIDKDMIHI 540 ADTKVARRYG 550 DFFIRQIHKF 560 EELNRTLKKM GQRP

Gene Ontology

Classification GO ID Description
Cellular Component GO:0016282 eukaryotic 43S preinitiation complex
Cellular Component GO:0033290 eukaryotic 48S preinitiation complex
Cellular Component GO:0005852 eukaryotic translation initiation factor 3 complex
Molecular Function GO:0003743 translation initiation factor activity
Biological Process GO:0001732 formation of cytoplasmic translation initiation complex

Reference

[1] Feng J, Chen X, Li R, Xie Y, Zhang X et al.. Lactylome analysis reveals potential target modified proteins in the retina of form-deprivation myopia.. iScience 27(9):110606. 2024 Sep 20. PMID: 39246443.