Burgess-Cassler, A., Ulla, A.H.J. and Ordal, G.W. (1982). „Purification and characterization of Bacillus subtilis methyl-accepting chemotaxis protein methyltransferase II”. J. Biol. Chem.257: 8412-8417. PMID6806296.
Kleene, S.J., Toews, M.L. and Adler, J. (1977). „Isolation of glutamic acid methyl ester from an Escherichia coli membrane protein involved in chemotaxis”. J. Biol. Chem.252: 3214-3218. PMID16888.
Simms, S.A., Stock, A.M. and Stock, J.B. (1987). „Purification and characterization of the S-adenosylmethionine:glutamyl methyltransferase that modifies membrane chemoreceptor proteins in bacteria”. J. Biol. Chem.262: 8537-8543. PMID3298235.
Springer, W.R. and Koshland, D.E., Jr. (1977). „Identification of a protein methyltransferase as the cheR gene product in the bacterial sensing system”. Proc. Natl. Acad. Sci. USA74: 533-537. PMID322131.