5.3.2.7	1,5-anhydro-D-glycero-hex-3-en-2-ulose tautomerase, APM tautomerase, APTM, APTM1, APTM2, ascopyrone intramolecular oxidoreductase, ascopyrone isomerase, ascopyrone P tautomerase, ascopyrone tautomerase, AUDH, EC 5.3.3.15