rifampicin + ATP + H2O <=> 21-phosphorifampicin + AMP + phosphate + 2 H(+)
rifampicin + atp + h2o <=> 21-phosphorifampicin + amp + phosphate + 2 h(+)
rifampicin + ATP + H2O <=> 21-phosphorifampicin + AMP + phosphate + 2 H(+)
rifampicin + atp + h2o <=> 21-phosphorifampicin + amp + phosphate + 2 h(+)