preferred_name: a gentamycin + GTP => a gentamycin 2''-phosphate + GDP + H(+)
preferred_name_lc: a gentamycin + gtp => a gentamycin 2''-phosphate + gdp + h(+)
label: a gentamycin + GTP => a gentamycin 2''-phosphate + GDP + H(+)
label_lc: a gentamycin + gtp => a gentamycin 2''-phosphate + gdp + h(+)