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Overview

Uniprot IDA0A5G2QBU2
Protein NameProstaglandin E synthase 3
Gene NamePTGES3
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
33 DVNVNFEKSKLTFSC
35 NVNFEKSKLTFSCLG
65 CIDPNDSKHKRTDRS
79 SILCCLRKGESGQSW

Function

Cytosolic prostaglandin synthase that catalyzes the oxidoreduction of prostaglandin endoperoxide H2 (PGH2) to prostaglandin E2 (PGE2). Molecular chaperone that localizes to genomic response elements in a hormone-dependent manner and disrupts receptor-mediated transcriptional activation, by promoting disassembly of transcriptional regulatory complexes. Facilitates HIF alpha proteins hydroxylation via interaction with EGLN1/PHD2, leading to recruit EGLN1/PHD2 to the HSP90 pathway

Protein Sequence

10 MQPASAKWYD 20 RRDYVFIEFC 30 VEDSKDVNVN 40 FEKSKLTFSC 50 LGGSDNFKHL 60 NEIDLFHCID 70 PNDSKHKRTD 80 RSILCCLRKG 90 ESGQSWPRLT 100 KERAKLNWLS 110 VDFNNWKDWE 120 DDSDEDMSNF 130 DRFSEVSSFK

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Molecular Function GO:0051879 Hsp90 protein binding
Molecular Function GO:0050220 prostaglandin-E synthase activity
Biological Process GO:0001516 prostaglandin biosynthetic 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.