label: a globoside Gb3Cer (d18:1(4E)) + UDP-N-acetyl-alpha-D-galactosamine => a globoside Gb4Cer (d18:1(4E)) + UDP + H(+)
label_lc: a globoside gb3cer (d18:1(4e)) + udp-n-acetyl-alpha-d-galactosamine => a globoside gb4cer (d18:1(4e)) + udp + h(+)