UDP-2-acetamido-2,6-dideoxy-beta-L-arabino-hex-4-ulose + NADPH + H(+) => UDP-2-acetamido-2,6-dideoxy-beta-L-talose + NADP(+)
udp-2-acetamido-2,6-dideoxy-beta-l-arabino-hex-4-ulose + nadph + h(+) => udp-2-acetamido-2,6-dideoxy-beta-l-talose + nadp(+)