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Overview

Uniprot IDF1SU97
Protein NameProsaposin
Gene NamePSAP
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
372 TARVTPLKDGGFCEV
455 GACPSAHKPLLGTEK

Function

Prosaposin: Behaves as a myelinotrophic and neurotrophic factor, these effects are mediated by its G-protein-coupled receptors, GPR37 and GPR37L1, undergoing ligand-mediated internalization followed by ERK phosphorylation signaling

Protein Sequence

10 ALASPVLGLR 20 ECTRGSAVWC 30 QNVKTASDCG 40 ALQHCLQTVW 50 NKPTVKSLPC 60 DICKDVITAA 70 GDMLKDNATE 80 QEILVYLERT 90 CDWLPKPNMS 100 ATCKEIVDSY 110 FPVILDMIKG 120 QMSKPGEVCS 130 ALNLCESLQK 140 HLAELTQQKQ 150 LESNQIPELD 160 LAEAVAPFMA 170 NIPLLLYPQD 180 GSSSKPRPKA 190 DGDVCQDCIQ 200 MVTDLQNAVR 210 TNSTFVEALV 220 NHAKEECDRL 230 GPGMADMQPK 240 DICGLVGFCE 250 EVKEVPMQTL 260 VPAKVLSEKV 270 ISALELVEPI 280 KKDLVPEKAT 290 IYCEVCEFVV 300 KEVAKLIDNN 310 RTEEEIIHAL 320 DKVCSKLPTS 330 MSEECQELVD 340 TYGSSILSLL 350 LQEASPELVC 360 SMLHLCSTQG 370 LPVLTARVTP 380 LKDGGFCEVC 390 KRLVSYLDRN 400 LEKNSTKQEI 410 LAALEKGCSF 420 LPDPYQKQCD 430 QFVTEYEPVL 440 VEILVEVMEP 450 SFVCSKIGAC 460 PSAHKPLLGT 470 EKCVWGPSFW 480 CQNMESAALC 490 NAVEHCKRHV WN

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005615 extracellular space
Biological Process GO:0006665 sphingolipid metabolic process
Cellular Component GO:0005764 lysosome
Cellular Component GO:0016020 membrane
Biological Process GO:0007193 adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
Biological Process GO:0019216 regulation of lipid metabolic 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.