Sequence Cluster id id2 desc organism isHeteromeric 1 Cluster1 SwissProt::Q58667 Methanogen homoaconitase small subunit; HACN; Homoaconitate hydratase; EC 4.2.1.114 Heterotetramer of 2 HacA and 2 HacB proteins 2 Cluster1 SwissProt::Q9ZND9 Homoaconitase small subunit; HACN; Homoaconitate hydratase; EC 4.2.1.36 Heterodimer of HacA and HacB