(S)-malate + UDP-N-acetyl-alpha-D-glucosamine => (S)-malyl N-acetyl-alpha-D-glucosaminide + UDP + H(+)
(s)-malate + udp-n-acetyl-alpha-d-glucosamine => (s)-malyl n-acetyl-alpha-d-glucosaminide + udp + h(+)
(S)-malate + UDP-N-acetyl-alpha-D-glucosamine => (S)-malyl N-acetyl-alpha-D-glucosaminide + UDP + H(+)
(s)-malate + udp-n-acetyl-alpha-d-glucosamine => (s)-malyl n-acetyl-alpha-d-glucosaminide + udp + h(+)