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Overview

Uniprot IDA0A5G2R6I6
Protein NameNucleolar protein 58
Gene NameNOP58
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
202 TYCKCLQKVGDRKNY
29 KEFETPEKANKVVKL
315 VQILGAEKALFRALK
403 RKISGTGKALAKAEK
433 STLPTFSKKRRIEQV
73 KVLKKIVKEAHEPLA
85 PLAVADAKLGGVIKE
91 AKLGGVIKEKLNLSC

Function

Required for the biogenesis of box C/D snoRNAs such as U3, U8 and U14 snoRNAs. Part of the small subunit (SSU) processome, first precursor of the small eukaryotic ribosomal subunit. During the assembly of the SSU processome in the nucleolus, many ribosome biogenesis factors, an RNA chaperone and ribosomal proteins associate with the nascent pre-rRNA and work in concert to generate RNA folding, modifications, rearrangements and cleavage as well as targeted degradation of pre-ribosomal RNA by the RNA exosome. Core component of box C/D small nucleolar ribonucleoprotein (snoRNP) complexes that function in methylation of multiple sites on ribosomal RNAs (rRNAs) and messenger RNAs (mRNAs)

Protein Sequence

10 MYTCTLRVLN 20 EKKLQEVDSL 30 WKEFETPEKA 40 NKVVKLKHFE 50 KFQDTAEALA 60 AFTALMEGKI 70 NKQLKKVLKK 80 IVKEAHEPLA 90 VADAKLGGVI 100 KEKLNLSCIH 110 SPVVNELMRG 120 IRSQMDGLIP 130 GVEPREMAAM 140 CLGLAHSLSR 150 YRLKFSADKV 160 DTMIVQAISL 170 LDDLDKELNN 180 YIMRCREWYG 190 WHFPELGKII 200 SDNLTYCKCL 210 QKVGDRKNYA 220 SAKLSELLPE 230 EVEAEVKAAA 240 EISMGTEVSE 250 EDICNILHLC 260 TQVIEISEYR 270 TQLYEYLQNR 280 MMAIAPNVTV 290 MVGELVGARL 300 IAHAGSLLNL 310 AKHAASTVQI 320 LGAEKALFRA 330 LKSRRDTPKY 340 GLIYHASLVG 350 QTSPKHKGKI 360 SRMLAAKTVL 370 AIRYDAFGED 380 SSSAMGVENR 390 AKLEARLRTL 400 EDRGIRKISG 410 TGKALAKAEK 420 YEHKSEVKTY 430 DPSGDSTLPT 440 FSKKRRIEQV 450 DKEDEVIEKK 460 AKKAKVKIKA 470 LLVCEHLGKP 480 TVSQAFVKWM 490 TRKTQGDKIQ 500 QLLPSGSLQS ELQTS

Gene Ontology

Classification GO ID Description
Cellular Component GO:0031428 box C/D methylation guide snoRNP complex
Cellular Component GO:0032040 small-subunit processome
Molecular Function GO:0030515 snoRNA binding
Biological Process GO:0042254 ribosome biogenesis

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.