Nucleotide sequence of a Pseudomonas denitrificans 5.4-kilobase DNA fragment containing five cob genes and identification of structural genes encoding S-adenosyl-L-methionine: uroporphyrinogen III methyltransferase and cobyrinic acid a,c-diamide synthase.
Crouzet J, Cauchois L, Blanche F, Debussche L, Thibaut D, Rouyez MC, Rigault S, Mayaux JF, Cameron B. J Bacteriol. 1990 Oct; 172(10):5968-79.