amino acid residues at several locations in close primary vicinity to a substrate glutamine residue have been recognized as important determinants for the specificities of human plasma factor xiiia and guinea pig liver transglutaminase ( gorman , j. j. , and folk , j. e. ( 1981 ) j. biol . chem . 256 , 2712-2715 ) .
C0002520
amino acid
C0017797
glutamine