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