Alpha-isopropylmalate synthase II (2-isopropylmalate synthase); catalyzes the first step in the leucine biosynthesis pathway; the minor isozyme, responsible for the residual alpha-IPMS activity detected in a leu4 null mutant; LEU9 has a paralog, LEU4, that arose from the whole genome duplication [Source:SGD;Acc:S000005634]

Chromosome XV: 523,027-524,841 forward strand.

R64-1-1:BK006948.2

This gene has 1 transcript (splice variant), 416 orthologues and 3 paralogues.

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