1-hexadecanoyl-2-(5-hydroxypentanoyl)-sn-glycero-3-phosphoethanolamine + NADP(+) => 1-hexadecanoyl-2-(5-oxopentanoyl)-sn-glycero-3-phosphoethanolamine + NADPH + H(+)
1-hexadecanoyl-2-(5-hydroxypentanoyl)-sn-glycero-3-phosphoethanolamine + nadp(+) => 1-hexadecanoyl-2-(5-oxopentanoyl)-sn-glycero-3-phosphoethanolamine + nadph + h(+)