The function of ENSG00000165568 (AKR1E2, aldo-keto reductase family 1 member E2) is as follows. Catalyzes the NADPH-dependent reduction of 1,5-anhydro-D- fructose (AF) to 1,5-anhydro-D-glucitol (By similarity). Has low NADPH- dependent reductase activity towards 9,10-phenanthrenequinone (in vitro) (PubMed:12604216, PubMed:15118078). {ECO:0000250|UniProtKB:Q9DCT1, ECO:0000269|PubMed:12604216, ECO:0000269|PubMed:15118078}.