>2RIF_1|Chains A, B, C, D|Conserved protein with 2 CBS domains|Pyrobaculum aerophilum (13773) GAMAIRTSELLKRPPVSLPETATIREVATELAKNRVGLAVLTARDNPKRPVAVVSERDILRAVAQRLDLDGPAMPIANSPITVLDTDPVHVAAEKMRRHNIRHVVVVNKNGELVGVLSIRDLCFERAILLELATAEVPATP