L-cysteine + L-arginine = N-amidino-L-cysteine + L-ornithine
l-cysteine + l-arginine = n-amidino-l-cysteine + l-ornithine
L-cysteine + L-arginine = N-amidino-L-cysteine + L-ornithine
l-cysteine + l-arginine = n-amidino-l-cysteine + l-ornithine