. . . . . . . . "Reduces guanine exchange factor activity by over 90%." . "157"^^ . . "157"^^ . . "Mutagenesis site occurs in NX_Q15438-2 at amino acids 157 - 157." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .