>tr|A0A9Q4DS87|A0A9Q4DS87_BACSC Serine acetyltransferase OS=Bacillus spizizenii GN=cysE MFFRMLKEDIDTVFDQDPAARSYFEVILTYSGLHAIWAHRIAHALYKRKFYFLARLISQV SRFFTGIEIHPGATIGRRFFIDHGMGVVIGETCEIGNNVTVFQGVTLGGTGKEKGKRHPT IKDDALIATGAKVLGSITVGEGSKIGAGSVVLHDVPDFSTVVGIPGRVVVQNGKKVRRDL NHQDLPDPVADRFKSLEQQILELKAELEDRKERINQK