preferred_name: protein-N6-(L-lysyl)-L-lysine modification to protein-N6-(beta-lysyl)-L-lysine
preferred_name_lc: protein-n6-(l-lysyl)-l-lysine modification to protein-n6-(beta-lysyl)-l-lysine
label: protein-N6-(L-lysyl)-L-lysine modification to protein-N6-(beta-lysyl)-L-lysine
label_lc: protein-n6-(l-lysyl)-l-lysine modification to protein-n6-(beta-lysyl)-l-lysine