n sulfur + hydrogen sulfide + NADP(+) <=> (n+1) sulfur + NADPH
n sulfur + hydrogen sulfide + nadp(+) <=> (n+1) sulfur + nadph
n sulfur + hydrogen sulfide + NADP(+) <=> (n+1) sulfur + NADPH
n sulfur + hydrogen sulfide + nadp(+) <=> (n+1) sulfur + nadph