>3MB2_1|Chains A, C, E, G, I, K|4-oxalocrotonate tautomerase family enzyme - alpha subunit|Chloroflexus aurantiacus (324602) MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAELRQQASTSTQGQ >3MB2_2|Chains B, D, F, H, J, L|4-oxalocrotonate tautomerase family enzyme - beta subunit|Chloroflexus aurantiacus (324602) PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDLDRPDSDTTAEPDQQ