N(6)-(2-hydroxyisobutanoyl)-L-lysyl-[protein] + CoA + H(+) => 2-hydroxyisobutanoyl-CoA + L-lysyl-[protein]
n(6)-(2-hydroxyisobutanoyl)-l-lysyl-[protein] + coa + h(+) => 2-hydroxyisobutanoyl-coa + l-lysyl-[protein]