GCA_000009705.1 alr1313 definition 3-isopropylmalate dehydrogenase; LeuB GCA_000009705.1 all1416 definition 3-isopropylmalate dehydratase, small subunit GCA_000009705.1 all1417 definition 3-isopropylmalate dehydratase, large chain GCA_000009705.1 alr3522 definition 2-isopropylmalate synthase; LeuA GCA_000009705.1 alr4840 definition 2-isopropylmalate synthase