(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 => n sulfur + hydrogen sulfide + nadp(+)