preferred_name: N-(2-aminobutanoyl)glycine + 2-oxoglutarate => N-(4-carboxy-4-oxobutanoyl)-L-ethylglycylglycine + H2O
preferred_name_lc: n-(2-aminobutanoyl)glycine + 2-oxoglutarate => n-(4-carboxy-4-oxobutanoyl)-l-ethylglycylglycine + h2o
label: N-(2-aminobutanoyl)glycine + 2-oxoglutarate => N-(4-carboxy-4-oxobutanoyl)-L-ethylglycylglycine + H2O
label_lc: n-(2-aminobutanoyl)glycine + 2-oxoglutarate => n-(4-carboxy-4-oxobutanoyl)-l-ethylglycylglycine + h2o