>7XKY_1|Chain A|Fumarate hydratase|Methanocaldococcus jannaschii (2190) MGSSHHHHHHSQDPKISDVVVELFREAAIYLPEDVKNALEEAYKKESSEISKNTLKAIIENNKIAEETQVPLCQDTGVPIVFLKIGKNINSSEIMKIIEEIKEGVKKATEEVPLRPNVVHPLTRENFKTNVGLNSPFINIEFDESLDREIEIIAFPKGAGSENMSALKMLKPSDGIEGIKNFVLETIANAGGKPCPPIVVGIGIGGTADVALKLAKKALLRKIGERHRDKEIANLEKELLEKINSLGIGAMGLGGDITALDVFIEIAGCHTASLPVGICIQCWADRRAIKRIKLDAKL >7XKY_2|Chain B|Fumarate hydratase|Methanocaldococcus jannaschii (2190) MEYTFNKLTKKDVKKLKVGDIVYLNGKIYTARDEAHLKIIEMLKSNEKLPFDLNESIIYHAGPIMKKVNDSWVCVSIGPTTSARMNDVEEEFIKLTNISAIVGKGGMKKELLKTFEDYGVVYLAAPGGCAALLANSVKRVDNVYFLDELGMPEAVWELEVNNFGPLIVAMDSHGNSIYEEVNKKVYEKLNELIGL