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Overview

Uniprot IDO54975
Protein NameXaa-Pro aminopeptidase 1
Gene NameXpnpep1
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
322 ICIAKAVKNSAESAG

Function

Metalloaminopeptidase that catalyzes the removal of a penultimate prolyl residue from the N-termini of peptides, such as Arg-Pro-Pro (PubMed:10095056). Contributes to the degradation of bradykinin (By similarity)

Protein Sequence

10 MAPKVTSELL 20 RQLRQAMRNS 30 ECVAEPIQAY 40 IIPSGDAHQS 50 EYIAPCDCRR 60 AFVSGFDGSA 70 GTAIITEEHA 80 AMWTDGRYFL 90 QAAKQMDNNW 100 TLMKMGLKDT 110 PTQEDWLVSV 120 LPEGSRVGVD 130 PLIIPTDYWK 140 KMAKVLRSAG 150 HHLVPVKENL 160 VDKIWTDRPE 170 RPCKPLLTLG 180 LDYTGISWKE 190 KVADLRLKMA 200 ERSIVWFVVT 210 ALDEIAWLFN 220 LRGSDVEHNP 230 VFFSYAIIGL 240 ERIMLFIDGD 250 RIDAPGVKQH 260 LLLDLGLEAE 270 YKIQVLPYKS 280 ILSELKTLCA 290 DLSPREKVWV 300 SDKASYAVSE 310 AIPKDHRCCM 320 PYTPICIAKA 330 VKNSAESAGM 340 RRAHIKDAVA 350 LCELFNWLEQ 360 EVPKGGVTEI 370 SAADKAEEFR 380 RQQADFVDLS 390 FPTISSTGPN 400 GAIIHYAPIP 410 ETNRTLSLDE 420 VYLIDSGAQY 430 KDGTTDVTRT 440 MHFGTPTAYE 450 KECFTYVLKG 460 HIAVSAAVFP 470 TGTKGHLLDS 480 FARSALWDSG 490 LDYLHGTGHG 500 VGSFLNVHEG 510 PCGISYKTFS 520 DEPLEAGMIV 530 TDEPGYYEDG 540 AFGIRIENVV 550 LVVPAKTKYN 560 FNNRGSLTFE 570 PLTLVPIQTK 580 MIDVDALTDK 590 ECDWLNSYHQ 600 TCRDVIGKEL 610 QTQGRQEALE 620 WLLRETEPIS RQH

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Molecular Function GO:0004177 aminopeptidase activity
Molecular Function GO:0030145 manganese ion binding
Molecular Function GO:0070006 metalloaminopeptidase activity
Molecular Function GO:0042803 protein homodimerization activity
Biological Process GO:0010815 bradykinin catabolic process
Biological Process GO:0043069 negative regulation of programmed cell death
Biological Process GO:0006508 proteolysis

Reference

[1] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.