Sulfite metabolism

Reaction: 
pap[c] + h2o[c] -> amp[c] + pi[c]
Metabolites: 
Subsystem: 
Reaction: 
so3[c] + 3 nadph[c] + 3 h[c] -> h2s[c] + 3 nadp[c] + 3 h2o[c]
Metabolites: 
Subsystem: 
Reaction: 
tsul[c] + hcy[c] + h[c] -> tcy[c] + so3[c]
Metabolites: 
Subsystem: 
Reaction: 
so3[c] + 6 h[c] -> h2s[c] + 3 h2o[c]
Metabolites: 
Subsystem: 
Reaction: 
3mpyr[c] + so3[c] <=> tsul[c] + pyr[c] + h[c]
Metabolites: 
Subsystem: 
Reaction: 
h2s[c] + 6 feroxoxi[c] + 3 h2o[c] <=> so3[c] + 6 feroxred[c] + 6 h[c]
Metabolites: 
Subsystem: 
Reaction: 
so3[c] + 3 nadh[c] + 3 h[c] -> h2s[c] + 3 nad[c] + 3 h2o[c]
Metabolites: 
Subsystem: