1.1.1.64	testosterone + NADP+ = androstenedione + NADPH + H+	4-pro-R-hydrogen atom of NADPH is transferred to the alpha-face of the steroid molecule	287192	
1.1.1.64	testosterone + NADP+ = androstenedione + NADPH + H+	4-pro-S-hydrogen atom of NADPH is transferred to the alpha-face of the steroid molecule	287225