>sp|Q15YU1|CYSG_PSEA6 Siroheme synthase OS=Pseudoalteromonas atlantica GN=cysG MQYFPIFVDTKELNCLVVGAGEVAARKVELLLKTSATITVVAPWACDTVQRLADEGQVTL HTRGYESSDLTAKQLVFVATDDSQLNIDIHHQAKAQNILVNVVDNTPLCQFITPSIVDRS PIIIAMSSGGVAPVLLRYLRQKLESVIPQKVSLLGQFSEKFRETVKARFNSVTKRRYFWE DILDGDVAEQVLQGNNSKAEQMMQDKLALDEHDSGKGEVYLVGAGPGDPDLLTFRALRLM QKADVVVYDRLVSKEILELVRRDAEKIYVGKARSLHTVPQDEINALLADLALKGNRVVRL KGGDPFIFGRGGEEIETLVEKGVSFQVVPGITAASGAASYAGIPLTHRDHAKSVVFATGH LRDNSINLNWPMLAQPEQTTVFYMGLTGLPVICEKLIQHGLPDTTEIALVQSATTTEQKV VAGNLANIQQKVAEAGIKPPALIIVGSVVSLREKLNWFGADA