(3R)-hydroxy-4-methylpentanoyl-[ACP] + NADP(+) => 4-methyl-3-oxopentanoyl-[ACP] + NADPH + H(+)
(3r)-hydroxy-4-methylpentanoyl-[acp] + nadp(+) => 4-methyl-3-oxopentanoyl-[acp] + nadph + h(+)
(3R)-hydroxy-4-methylpentanoyl-[ACP] + NADP(+) => 4-methyl-3-oxopentanoyl-[ACP] + NADPH + H(+)
(3r)-hydroxy-4-methylpentanoyl-[acp] + nadp(+) => 4-methyl-3-oxopentanoyl-[acp] + nadph + h(+)