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Overview

Uniprot IDP20961
Protein NamePlasminogen activator inhibitor 1
Gene NameSerpine1
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
145 KLFRTTVKQVDFSEV
168 DWVERHTKGMISDLL
51 QHVVQASKDRNVVFS

Function

Serine protease inhibitor. Inhibits TMPRSS7. Is a primary inhibitor of tissue-type plasminogen activator (PLAT) and urokinase-type plasminogen activator (PLAU). As PLAT inhibitor, it is required for fibrinolysis down-regulation and is responsible for the controlled degradation of blood clots. As PLAU inhibitor, it is involved in the regulation of cell adhesion and spreading. Acts as a regulator of cell migration, independently of its role as protease inhibitor. It is required for stimulation of keratinocyte migration during cutaneous injury repair. It is involved in cellular and replicative senescence (By similarity). Plays a role in alveolar type 2 cells senescence in the lung (By similarity). Is involved in the regulation of cementogenic differentiation of periodontal ligament stem cells, and regulates odontoblast differentiation and dentin formation during odontogenesis (By similarity)

Protein Sequence

10 MQMSSALTCL 20 TLGLVLVFGK 30 GFASPLPESH 40 TAQQATNFGV 50 KVFQHVVQAS 60 KDRNVVFSPY 70 GVSSVLAMLQ 80 LTTAGKTRQQ 90 IQDAMGFNIS 100 ERGTAPALRK 110 LSKELMGSWN 120 KNEISTADAI 130 FVQRDLELVQ 140 GFMPHFFKLF 150 RTTVKQVDFS 160 EVERARFIIN 170 DWVERHTKGM 180 ISDLLAKGAV 190 NELTRLVLVN 200 ALYFNGQWKT 210 PFLEASTHQR 220 LFHKSDGSTI 230 SVPMMAQNNK 240 FNYTEFTTPD 250 GHEYDILELP 260 YHGETLSMFI 270 AAPFEKDVPL 280 SAITNILDAE 290 LIRQWKSNMT 300 RLPRLLILPK 310 FSLETEVDLR 320 GPLEKLGMTD 330 IFSSTQADFT 340 SLSDQEQLSV 350 AQALQKVKIE 360 VNESGTVASS 370 STAILVSARM 380 APTEMVLDRS 390 FLFVVRHNPT 400 ETILFMGQLM EP

Gene Ontology

Classification GO ID Description
Cellular Component GO:0042583 chromaffin granule
Cellular Component GO:0070062 extracellular exosome
Cellular Component GO:0031012 extracellular matrix
Cellular Component GO:0005576 extracellular region
Cellular Component GO:0005615 extracellular space
Cellular Component GO:1904090 peptidase inhibitor complex
Cellular Component GO:0097180 serine protease inhibitor complex
Molecular Function GO:0004866 endopeptidase inhibitor activity
Molecular Function GO:0002020 protease binding
Molecular Function GO:0004867 serine-type endopeptidase inhibitor activity
Molecular Function GO:0005102 signaling receptor binding
Biological Process GO:0001525 angiogenesis
Biological Process GO:1904045 cellular response to aldosterone
Biological Process GO:1904385 cellular response to angiotensin
Biological Process GO:0071318 cellular response to ATP
Biological Process GO:0071320 cellular response to cAMP
Biological Process GO:0071321 cellular response to cGMP
Biological Process GO:0071409 cellular response to cycloheximide
Biological Process GO:0071549 cellular response to dexamethasone stimulus
Biological Process GO:0044344 cellular response to fibroblast growth factor stimulus
Biological Process GO:0071372 cellular response to follicle-stimulating hormone stimulus
Biological Process GO:0071377 cellular response to glucagon stimulus
Biological Process GO:0071333 cellular response to glucose stimulus
Biological Process GO:0071258 cellular response to gravity
Biological Process GO:0071363 cellular response to growth factor stimulus
Biological Process GO:0070301 cellular response to hydrogen peroxide
Biological Process GO:0071456 cellular response to hypoxia
Biological Process GO:0032869 cellular response to insulin stimulus
Biological Process GO:0071347 cellular response to interleukin-1
Biological Process GO:1904637 cellular response to ionomycin
Biological Process GO:1990830 cellular response to leukemia inhibitory factor
Biological Process GO:0071222 cellular response to lipopolysaccharide
Biological Process GO:0071404 cellular response to low-density lipoprotein particle stimulus
Biological Process GO:0071260 cellular response to mechanical stimulus
Biological Process GO:0071248 cellular response to metal ion
Biological Process GO:1990090 cellular response to nerve growth factor stimulus
Biological Process GO:0071316 cellular response to nicotine
Biological Process GO:0036120 cellular response to platelet-derived growth factor stimulus
Biological Process GO:0035865 cellular response to potassium ion
Biological Process GO:1905835 cellular response to pyrimidine ribonucleotide
Biological Process GO:1904639 cellular response to resveratrol
Biological Process GO:0071560 cellular response to transforming growth factor beta stimulus
Biological Process GO:0071466 cellular response to xenobiotic stimulus
Biological Process GO:0046697 decidualization
Biological Process GO:0050829 defense response to Gram-negative bacterium
Biological Process GO:0097187 dentinogenesis
Biological Process GO:0008585 female gonad development
Biological Process GO:0045576 mast cell activation
Biological Process GO:0030195 negative regulation of blood coagulation
Biological Process GO:0033629 negative regulation of cell adhesion mediated by integrin
Biological Process GO:0030336 negative regulation of cell migration
Biological Process GO:0010951 negative regulation of endopeptidase activity
Biological Process GO:2000352 negative regulation of endothelial cell apoptotic process
Biological Process GO:1902042 negative regulation of extrinsic apoptotic signaling pathway via death domain receptors
Biological Process GO:0051918 negative regulation of fibrinolysis
Biological Process GO:0010629 negative regulation of gene expression
Biological Process GO:2001045 negative regulation of integrin-mediated signaling pathway
Biological Process GO:0010757 negative regulation of plasminogen activation
Biological Process GO:0045861 negative regulation of proteolysis
Biological Process GO:0014912 negative regulation of smooth muscle cell migration
Biological Process GO:2000098 negative regulation of smooth muscle cell-matrix adhesion
Biological Process GO:0070495 negative regulation of thrombin-activated receptor signaling pathway
Biological Process GO:0061044 negative regulation of vascular wound healing
Biological Process GO:0001890 placenta development
Biological Process GO:0045766 positive regulation of angiogenesis
Biological Process GO:0030194 positive regulation of blood coagulation
Biological Process GO:0090280 positive regulation of calcium ion import
Biological Process GO:0050820 positive regulation of coagulation
Biological Process GO:0032967 positive regulation of collagen biosynthetic process
Biological Process GO:1905043 positive regulation of epithelium regeneration
Biological Process GO:0048146 positive regulation of fibroblast proliferation
Biological Process GO:0010628 positive regulation of gene expression
Biological Process GO:0050729 positive regulation of inflammatory response
Biological Process GO:0032757 positive regulation of interleukin-8 production
Biological Process GO:0051549 positive regulation of keratinocyte migration
Biological Process GO:0035491 positive regulation of leukotriene production involved in inflammatory response
Biological Process GO:0090026 positive regulation of monocyte chemotaxis
Biological Process GO:1901331 positive regulation of odontoblast differentiation
Biological Process GO:0048260 positive regulation of receptor-mediated endocytosis
Biological Process GO:0045765 regulation of angiogenesis
Biological Process GO:0042127 regulation of cell population proliferation
Biological Process GO:0090399 replicative senescence
Biological Process GO:0034097 response to cytokine
Biological Process GO:0070849 response to epidermal growth factor
Biological Process GO:0043627 response to estrogen
Biological Process GO:0055093 response to hyperoxia
Biological Process GO:0034616 response to laminar fluid shear stress
Biological Process GO:0032496 response to lipopolysaccharide
Biological Process GO:0031667 response to nutrient levels
Biological Process GO:0000302 response to reactive oxygen species
Biological Process GO:0042594 response to starvation
Biological Process GO:0071559 response to transforming growth factor beta
Biological Process GO:0042246 tissue regeneration

Reference

[1] Sheng L, Xu H, Wang Y, Ni J, Xiang T et al.. Systematic analysis of lysine lactylation in nucleus pulposus cells.. iScience 27(11):111157. 2024 Nov 15. PMID: 39524337.