>sp|Q8TJM9|HACB1_METAC Methanogen homoaconitase small subunit 1 OS=Methanosarcina acetivorans GN=hacB1 MMKNPIIGRVWKFGDDIDTDVIIPGKYLRTKDMQIFAAHAMEGIAPEFTKKAKPGDIIVA GENFGCGSSREQAPLAIKHAGIACVVAKSFARIFFRNAINVGLPLMEADIECQEGDEIEV DLLKGEVRVPGKGVFVGNKLPDFLLDILTDGGLVSHRKKAQNEQKE