Sema3A:Nrp-1:PlexinA:Rac1-GTP:pPAK Sema3A:Nrp-1:PlexinA:Rac1-GTP:PAK Autophosphorylation of PAK Authored: Garapati, P V, 2009-03-23 09:59:28 EC Number: 2.7.11 Edited: Garapati, P V, 2009-03-23 10:00:07 PAK is autophosphorylated at several sites but S-144 flanking the kinase inhibitor region and T-423 (S-141/T-402 in PAK-gamma) within the catalytic domain are the two conserved sites that regulate the catalytic activity. Pubmed10075701 Pubmed11278486 Reactome Database ID Release 43399939 Reactome, http://www.reactome.org ReactomeREACT_19197 Reviewed: Kumanogoh, A, Kikutani, H, 2009-09-01 has a Stoichiometric coefficient of 2