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Overview

Uniprot IDA0A4X1UKX1
Protein NameProteasome subunit beta
Gene NamePSMB3
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
20 AVMAMKGKNCVAIAA
80 RLNLYELKEGRQIKP

Function

Component of the proteasome, a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity

Protein Sequence

10 MRPESIMSYN 20 GGAVMAMKGK 30 NCVAIAADRR 40 FGIQAQMVTT 50 DFQKIFPMGD 60 RLYIGLAGLA 70 TDVQTVAQRL 80 KFRLNLYELK 90 EGRQIKPYTL 100 MSMVANLLYE 110 RRFGPYYTEP 120 VIAGLDPKTF 130 KPFICSLDLI 140 GCPMVTDDFV 150 VSGTCTEQMY 160 GMCESLWEPD 170 MDPEHLFETI 180 SQAMLNAVDR 190 DAVSGMGVIV HVM

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0019774 proteasome core complex, beta-subunit complex
Biological Process GO:0043161 proteasome-mediated ubiquitin-dependent protein catabolic process

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.