Catalysis of the transfer of an oleoyl (systematic name, (9Z)-octadecenoyl) group to a sulfur atom on the cysteine of a protein molecule, in the reaction: (9Z)-octadecenoyl-CoA + L-cysteinyl-[protein] = CoA + S-(9Z-octadecenoyl)-L-cysteinyl-[protein].
Source:RHEA:59744,
PMID:22247542