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Overview

Uniprot IDA0A4X1UT36
Protein Name26S proteasome non-ATPase regulatory subunit 5
Gene NamePSMD5
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
100 THTNDSVKILTLSQV
334 EGKQVLQKTGTRFER
358 KNASTELKIRCLDAV
85 VHVARNLKVDLQRGL

Function

Acts as a chaperone during the assembly of the 26S proteasome, specifically of the base subcomplex of the PA700/19S regulatory complex (RC). In the initial step of the base subcomplex assembly is part of an intermediate PSMD5:PSMC2:PSMC1:PSMD2 module which probably assembles with a PSMD10:PSMC4:PSMC5:PAAF1 module followed by dissociation of PSMD5

Protein Sequence

10 MAAQVLALLR 20 EVSRLEAPLE 30 ELRALQSVLQ 40 SVPLSELREH 50 AAELHLGPLF 60 SLLNENHREQ 70 TTLCVSILER 80 LLQALEPVHV 90 ARNLKVDLQR 100 GLTHTNDSVK 110 ILTLSQVGRI 120 VDNSDAVTEI 130 LNNAELLKQI 140 VYCIGGENLS 150 VAKAAIKSLS 160 RISLTQAGLE 170 ALFESNLLDD 180 LKSVMKTNDI 190 VRYRVYELIV 200 EISSVSPESL 210 NYCTTSGLVT 220 QLLRELTGED 230 VLVRATCIEM 240 VTSLAYTHHG 250 RQYLAQEGVI 260 DQISNIIVGA 270 DSDPFSSFYL 280 PGFVKFFGNL 290 AIMDSPQQIC 300 ERYPVFVEKV 310 FEMTESQDPT 320 MIGVAVDTIG 330 ILGSNVEGKQ 340 VLQKTGTRFE 350 RLLMKIGYQA 360 KNASTELKIR 370 CLDAVSSLFY 380 LPPEQQTDDL 390 LRMTESWFSS 400 LSRDPLELFR 410 GISNQPFPEL 420 HCAALKVFTA 430 IANQPWAQKL 440 MFNSPGFVEY 450 VMDRSVEHDK 460 ASKDAKYELV 470 KALANSKTIA 480 EIFGNPNYLR 490 LRTYLSEGPY 500 YVKPISTTAV EGAE

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Cellular Component GO:0008540 proteasome regulatory particle, base subcomplex
Biological Process GO:0070682 proteasome regulatory particle 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.