3-methylbutanoate + ATP + CoA => 3-methylbutanoyl-CoA + AMP + diphosphate
3-methylbutanoate + atp + coa => 3-methylbutanoyl-coa + amp + diphosphate
3-methylbutanoate + ATP + CoA => 3-methylbutanoyl-CoA + AMP + diphosphate
3-methylbutanoate + atp + coa => 3-methylbutanoyl-coa + amp + diphosphate