label: L-lysyl-[collagen] + L-methionyl-[collagen] + hypobromite <=> [collagen]-L-lysyl-N-S-L-methionyl-[collagen] + bromide + H2O + H(+)
label_lc: l-lysyl-[collagen] + l-methionyl-[collagen] + hypobromite <=> [collagen]-l-lysyl-n-s-l-methionyl-[collagen] + bromide + h2o + h(+)