preferred_name: L-threonine + phosphate => O-phospho-L-homoserine + H2O
preferred_name_lc: l-threonine + phosphate => o-phospho-l-homoserine + h2o
label: L-threonine + phosphate => O-phospho-L-homoserine + H2O
label_lc: l-threonine + phosphate => o-phospho-l-homoserine + h2o