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Chicken rod and cone pigments are chromatographically resolved using a combination of stepwise elution from a concanavalin A affinity column and a secondary ion exchange purification. The rod pigment rhodopsin and the cone pigment iodopsin are purified to homogeneity. There is a partial separation of three other cone pigments: chicken green, chicken blue,(More)
 Tubulin was purified by a combination of acetone powder preparation, DEAE Sephadex A-50 chromatography, Sephacryl S-300 gel filtration, and Mono Q anion exchange chromatography from the pollen of ginkgo (Ginkgo biloba L.), a typical gymnosperm. The average yield of tubulin is 2 mg per 100 g of pollen grain. The purified tubulin is electrophoretically(More)
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