sirohydrochlorin + Ni(2+) => Ni-sirohydrochlorin + 2 H(+)
sirohydrochlorin + ni(2+) => ni-sirohydrochlorin + 2 h(+)
sirohydrochlorin + Ni(2+) => Ni-sirohydrochlorin + 2 H(+)
sirohydrochlorin + ni(2+) => ni-sirohydrochlorin + 2 h(+)