Clarke, S., Vogel, J.P., Deschenes, R.J. and Stock, J. (1988). „Posttranslational modification of the Ha-ras oncogene protein: evidence for a third class of protein carboxyl methyltransferases”. Proc. Natl. Acad. Sci. USA. 85: 4643—4647. PMID3290900.CS1 одржавање: Вишеструка имена: списак аутора (веза)
Ota, I.M. & Clarke, S. (1989). „Enzymatic methylation of 23-29-kDa bovine retinal rod outer segment membrane proteins. Evidence for methyl ester formation at carboxyl-terminal cysteinyl residues”. J. Biol. Chem. 264: 12879—12884. PMID2753892.
Stephenson, R.C. & Clarke, S. (1990). „Identification of a C-terminal protein carboxyl methyltransferase in rat liver membranes utilizing a synthetic farnesyl cysteine-containing peptide substrate”. J. Biol. Chem. 265: 16248—16254. PMID2398053.