label: (4,5-dibromo-1H-pyrrole-2-carbonyl)-[peptidyl-carrier protein] + bromide + FADH2 + O2 <=> (3,4,5-tribromo-1H-pyrrole-2-carbonyl)-[peptidyl-carrier protein] + FAD + 2 H2O
label_lc: (4,5-dibromo-1h-pyrrole-2-carbonyl)-[peptidyl-carrier protein] + bromide + fadh2 + o2 <=> (3,4,5-tribromo-1h-pyrrole-2-carbonyl)-[peptidyl-carrier protein] + fad + 2 h2o