Search Results

Overview

Uniprot IDA0A287A8Y0
Protein NameU5 small nuclear ribonucleoprotein TSSC4
Gene NameTSSC4
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
331 SRDHFRSKGHGPEAP

Function

Protein associated with the U5 snRNP, during its maturation and its post-splicing recycling and which is required for spliceosomal tri-snRNP complex assembly in the nucleus. Has a molecular sequestering activity and transiently hinders SNRNP200 binding sites for constitutive splicing factors that intervene later during the assembly of the spliceosome and splicing. Together with its molecular sequestering activity, may also function as a molecular adapter and placeholder, coordinating the assembly of the U5 snRNP and its association with the U4/U6 di-snRNP

Protein Sequence

10 ARRGHGGLCH 20 QQPLPGPSSP 30 ARRCLRQPPA 40 ALAGVARPLD 50 AWLRRGQPWR 60 STPCLLTPSP 70 SVTRTRTLAC 80 PTLLRWKLSP 90 PGPPGAVVQP 100 FHLRGTSPTF 110 SQRSHDIFDH 120 LEGAAGRALP 130 SAAPAGPGHS 140 GGFKLPPLPS 150 RRPPAGARGR 160 ATQSPAPPRA 170 PPVPDYVAHP 180 ERWTKYSLED 190 VAEASEQSNR 200 AAALAFLGPQ 210 SLAAPGDYVP 220 SFNQDPSSCG 230 EGRVVFTKPA 240 RTSEARPERK 250 RGLRKAGEPG 260 RAAPGSPGTA 270 GGGDGPVELA 280 HLAGPGSPEA 290 AEEGSGPRGG 300 LVEVAVPEGL 310 APPGAAAGPS 320 PVETVGFHGS 330 KKRSRDHFRS 340 KGHGPEAPGG AEA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005681 spliceosomal complex
Cellular Component GO:0005682 U5 snRNP
Molecular Function GO:0140313 molecular sequestering activity
Molecular Function GO:0044877 protein-containing complex binding
Biological Process GO:0000244 spliceosomal tri-snRNP complex assembly

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.