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Overview

Uniprot IDQ9Y5J1
Protein NameU3 small nucleolar RNA-associated protein 18 homolog
Gene NameUTP18
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
166 RFRKDMMKNASESKL
172 MKNASESKLSKDNLK

Function

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. Involved in nucleolar processing of pre-18S ribosomal RNA

Protein Sequence

10 MPPERRRRMK 20 LDRRTGAKPK 30 RKPGMRPDWK 40 AGAGPGGPPQ 50 KPAPSSQRKP 60 PARPSAAAAA 70 IAVAAAEEER 80 RLRQRNRLRL 90 EEDKPAVERC 100 LEELVFGDVE 110 NDEDALLRRL 120 RGPRVQEHED 130 SGDSEVENEA 140 KGNFPPQKKP 150 VWVDEEDEDE 160 EMVDMMNNRF 170 RKDMMKNASE 180 SKLSKDNLKK 190 RLKEEFQHAM 200 GGVPAWAETT 210 KRKTSSDDES 220 EEDEDDLLQR 230 TGNFISTSTS 240 LPRGILKMKN 250 CQHANAERPT 260 VARISSVQFH 270 PGAQIVMVAG 280 LDNAVSLFQV 290 DGKTNPKIQS 300 IYLERFPIFK 310 ACFSANGEEV 320 LATSTHSKVL 330 YVYDMLAGKL 340 IPVHQVRGLK 350 EKIVRSFEVS 360 PDGSFLLING 370 IAGYLHLLAM 380 KTKELIGSMK 390 INGRVAASTF 400 SSDSKKVYAS 410 SGDGEVYVWD 420 VNSRKCLNRF 430 VDEGSLYGLS 440 IATSRNGQYV 450 ACGSNCGVVN 460 IYNQDSCLQE 470 TNPKPIKAIM 480 NLVTGVTSLT 490 FNPTTEILAI 500 ASEKMKEAVR 510 LVHLPSCTVF 520 SNFPVIKNKN 530 ISHVHTMDFS 540 PRSGYFALGN 550 EKGKALMYRL HHYSDF

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005730 nucleolus
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0034388 Pwp2p-containing subcomplex of 90S preribosome
Cellular Component GO:0032040 small-subunit processome
Molecular Function GO:0003723 RNA binding
Biological Process GO:0030490 maturation of SSU-rRNA
Biological Process GO:0042274 ribosomal small subunit biogenesis

Reference

PMID: N/A