2-methylbutanoate + CoA + H(+) => 2-methylbutanoyl-CoA + H2O
2-methylbutanoate + coa + h(+) => 2-methylbutanoyl-coa + h2o
2-methylbutanoate + CoA + H(+) => 2-methylbutanoyl-CoA + H2O
2-methylbutanoate + coa + h(+) => 2-methylbutanoyl-coa + h2o