preferred_name: D-alanine + L-glutamine = gamma-L-glutamyl-D-alanine + NH4(+)
preferred_name_lc: d-alanine + l-glutamine = gamma-l-glutamyl-d-alanine + nh4(+)
label: D-alanine + L-glutamine = gamma-L-glutamyl-D-alanine + NH4(+)
label_lc: d-alanine + l-glutamine = gamma-l-glutamyl-d-alanine + nh4(+)