ID 5.3.3.22 DE lutein isomerase. AN meso-zeaxanthin isomerase. CA lutein = (3R,3'S)-zeaxanthin. CC -!- The enzyme is found in the retinal pigment epithelium (RPE) of CC vertebrates. CC -!- It also has the activity of EC 3.1.1.64. DR Q6PBW5, RP65A_DANRE; A9C3R9, RP65B_DANRE; A9C3R8, RP65C_DANRE; DR Q9YI25, RPE65_AMBTI; Q28175, RPE65_BOVIN; Q9TVB8, RPE65_CANLF; DR Q9YGX2, RPE65_CHICK; Q9XT71, RPE65_CHLAE; Q8AXN9, RPE65_CYNPY; DR Q16518, RPE65_HUMAN; Q91ZQ5, RPE65_MOUSE; O70276, RPE65_RAT ; //