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Overview

Uniprot IDP50452
Protein NameSerpin B8
Gene NameSERPINB8
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
263 SEKLTKSKVQVFLPR

Function

Has an important role in epithelial desmosome-mediated cell-cell adhesion

Protein Sequence

10 MDDLCEANGT 20 FAISLFKILG 30 EEDNSRNVFF 40 SPMSISSALA 50 MVFMGAKGST 60 AAQMSQALCL 70 YKDGDIHRGF 80 QSLLSEVNRT 90 GTQYLLRTAN 100 RLFGEKTCDF 110 LPDFKEYCQK 120 FYQAELEELS 130 FAEDTEECRK 140 HINDWVAEKT 150 EGKISEVLDA 160 GTVDPLTKLV 170 LVNAIYFKGK 180 WNEQFDRKYT 190 RGMLFKTNEE 200 KKTVQMMFKE 210 AKFKMGYADE 220 VHTQVLELPY 230 VEEELSMVIL 240 LPDDNTDLAV 250 VEKALTYEKF 260 KAWTNSEKLT 270 KSKVQVFLPR 280 LKLEESYDLE 290 PFLRRLGMID 300 AFDEAKADFS 310 GMSTEKNVPL 320 SKVAHKCFVE 330 VNEEGTEAAA 340 ATAVVRNSRC 350 SRMEPRFCAD 360 HPFLFFIRHH 370 KTNCILFCGR FSSP

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0070062 extracellular exosome
Cellular Component GO:0031012 extracellular matrix
Cellular Component GO:0005615 extracellular space
Molecular Function GO:0004867 serine-type endopeptidase inhibitor activity
Biological Process GO:0090136 epithelial cell-cell adhesion
Biological Process GO:0010951 negative regulation of endopeptidase activity

Reference

[1] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.