(2E,19Z,22Z,25Z,28Z)-tetratriacontapentaenoyl-CoA + NADPH + H(+) <=> (19Z,22Z,25Z,28Z)-tetratriacontatetraenoyl-CoA + NADP(+)
(2e,19z,22z,25z,28z)-tetratriacontapentaenoyl-coa + nadph + h(+) <=> (19z,22z,25z,28z)-tetratriacontatetraenoyl-coa + nadp(+)