domain found in Plexins, Semaphorins and Integrins
SMART accession number:SM00423
Interpro abstract (IPR003659): This is a domain that has been found in plexins, semaphorins and integrins. Plexin is involved in the development of neural and epithelial tissues; semaphorins induce the collapse and paralysis of neuronal growth cones; and integrins may mediate adhesive or migratory functions of epithelial cells.
Family alignment:
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There are 3043 PSI domains in 2002 proteins in SMART's nrdb database.

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