Serine protease inhibitor that inhibits plasminogen activators and plasmin but not thrombin (PubMed:11557034, PubMed:9364046). May be involved in the formation or reorganization of synaptic connections as well as for synaptic plasticity in the adult nervous system. May protect neurons from cell damage by tissue-type plasminogen activator (Probable).
Belongs to the serpin family.
Detected in neurons in embryonic brain cortex (at protein level) (PubMed:17040209). During embryonic development mostly expressed in CNS (PubMed:9364046). In adult expressed in brain and much less in spinal cord, heart, kidney and testis (PubMed:9364046).
Pi12, Spi17, Serpini1, Neuroserpin, Peptidase inhibitor 12, Serine protease inhibitor 17, Serpin I1, PI-12
Proteins
Neuroscience
46348Da
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