Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.2.1.20 (alpha-glucosidase)
 4,237 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

1. A search for lysosomal hydrolases and related enzymes has been made in hemolysates from human and rabbit red cells. Apart from acid phosphatases, significant activities were found only for alpha-mannosidase, neutral alpha-glucosidase and beta-hexosaminidase. 2. alpha-Mannosidase (alpha-D-mannoside mannohydrolase, EC 3.2.1.24) activity per cell in human red blood cells was 200-times lower than in white cells. The optimal pH was 5.5--6.0. Electrophoresis on cellulose acetate showed three bands. Hemolysates from four patients with mannosidosis were not deficient in alpha-mannosidase. pH activity curves and elctrophoretic pattern were similar to those of controls. From its biochemical and genetic properties, it is concluded that red cell mannosidase differs from the lysosomal acid mannosidase.
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PMID:Alpha-mannosidase in human red cells. 3 42