the enzyme ( ec 2.1.1.24 ) from salmonella typhimurium that catalyzes the s-adenosylmethionine-dependent methyl esterification of glutamyl residues in membrane chemoreceptor proteins has been purified to homogeneity , and the nucleotide sequence of the gene coding for this protein , cher , has been determined .
C0025252
membrane
C0033684
protein