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Overview

Uniprot IDF2Z5V0
Protein NameRNA-splicing ligase RtcB homolog
Gene NameRTCB
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
17 QFLEKINKNCWRIKK
190 GYAWAEDKEHCEEYG
206 MLQADPNKVSARAKK
285 EKAMKRDKIIVNDRQ
366 EQHVVDGKERTLLVH
492 CHDAGISKKAIKLRP
504 LRPIAVIKG******

Function

Catalytic subunit of the tRNA-splicing ligase complex that acts by directly joining spliced tRNA halves to mature-sized tRNAs by incorporating the precursor-derived splice junction phosphate into the mature tRNA as a canonical 3',5'-phosphodiester. May act as an RNA ligase with broad substrate specificity, and may function toward other RNAs

Protein Sequence

10 MSRSYNDELQ 20 FLEKINKNCW 30 RIKKGFVPNM 40 QVEGVFYVND 50 ALEKLMFEEL 60 RNACRGGGVG 70 GFLPAMKQIG 80 NVAALPGIVH 90 RSIGLPDVHS 100 GYGFAIGNMA 110 AFDMNDPEAV 120 VSPGGVGFDI 130 NCGVRLLRTN 140 LDESDVQPVK 150 EQLAQAMFDH 160 IPVGVGSKGV 170 IPMNAKDLEE 180 ALEMGVDWSL 190 REGYAWAEDK 200 EHCEEYGRML 210 QADPNKVSAR 220 AKKRGLPQLG 230 TLGAGNHYAE 240 IQVVDEIFNE 250 YAAKKMGIDH 260 KGQVCVMIHS 270 GSRGLGHQVA 280 TDALVAMEKA 290 MKRDKIIVND 300 RQLACARIAS 310 PEGQDYLKGM 320 AAAGNYAWVN 330 RSSMTFLTRQ 340 AFAKVFNTTP 350 DDLDLHVIYD 360 VSHNIAKVEQ 370 HVVDGKERTL 380 LVHRKGSTRA 390 FPPHHPLIAV 400 DYQLTGQPVL 410 IGGTMGTCSY 420 VLTGTEQGMT 430 ETFGTTCHGA 440 GRALSRAKSR 450 RNLDFQDVLD 460 KLADMGIAIR 470 VASPKLVMEE 480 APESYKNVTD 490 VVNTCHDAGI 500 SKKAIKLRPI AVIKG

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005789 endoplasmic reticulum membrane
Cellular Component GO:0005635 nuclear envelope
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0072669 tRNA-splicing ligase complex
Molecular Function GO:0005525 GTP binding
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0044600 protein guanylyltransferase activity
Molecular Function GO:0170057 RNA ligase (GTP) activity
Molecular Function GO:0017166 vinculin binding
Biological Process GO:0036498 IRE1-mediated unfolded protein response
Biological Process GO:0070054 mRNA splicing, via endonucleolytic cleavage and ligation
Biological Process GO:0000968 tRNA exon ligation
Biological Process GO:0006388 tRNA splicing, via endonucleolytic cleavage and ligation

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.