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Overview

Uniprot IDA0A5K1VU77
Protein NamePeptidyl-prolyl cis-trans isomerase
Gene NamePPIH
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
137 KCDWLDGKHVVFGKI
153 DGLLVMRKIENVPTG
53 FCTGEFRKDGVPIGY

Function

PPIase that catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides and may therefore assist protein folding. Participates in pre-mRNA splicing. May play a role in the assembly of the U4/U5/U6 tri-snRNP complex, one of the building blocks of the spliceosome. May act as a chaperone

Protein Sequence

10 MAVANSSPVN 20 PVVFFDVSIG 30 GQEVGRMKIE 40 LFADVVPKTA 50 ENFRQFCTGE 60 FRKDGVPIGY 70 KGSTFHRVIK 80 DFMIQGGDFV 90 NGDGTGVASI 100 YRGPFADENF 110 KLRHSAPGLL 120 SMANSGPSTN 130 GCQFFITCSK 140 CDWLDGKHVV 150 FGKIIDGLLV 160 MRKIENVPTG 170 PNNKPKLPVV ISQCGEM

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0016607 nuclear speck
Cellular Component GO:0005681 spliceosomal complex
Molecular Function GO:0016018 cyclosporin A binding
Molecular Function GO:0003755 peptidyl-prolyl cis-trans isomerase activity
Biological Process GO:0006397 mRNA processing
Biological Process GO:0006457 protein folding
Biological Process GO:0008380 RNA splicing

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.