the activity was bacteriostatic against bacillus species atcc 27860 and was antagonized by d- and l-methionine , l-cystathionine , l-homocystine and o-acetyl-l-homoserine but not by l-homoserine , l-aspartate , l-cysteine or other common amino acids , vitamins and nucleosides .
C0019892
homoserine
C0002520
amino acids