these cells contain two immunologically distinct nadph-dependent reductases , aldose reductase ( ec 1.1.1.21 ) and aldehyde reductase ( ec 1.1.1.2 ) , which were purified to apparent homogeneity by a combination of procedures which included ammonium sulfate fractionation , sephadex g-75 gel filtration , matrex gel orange a affinity chromatography , and chromatofocusing on pharmacia mono p .
C0027298
nadph
C0030016
ec 1