The activity of a blood type B specific exoglycosidase from Glycine max. 1996

L Hobbs, and M Mitra, and R Phillips, and D Smith
Department of Pathology, University of Missouri, Columbia 65212, USA.

Soluble antigens, enzyme-linked immunosorbent assays (ELISA), and cell suspension assays were used to study the blood group B activity of Glycine max (soybean) alpha-D-galactosidase. The enzyme readily hydrolyzed the terminal alpha-D-galactosyl of the B antigen under a variety of conditions, converting it to H antigen. Conversion of the B antigen to H antigen produces blood type O which is universally transfusable. These preliminary studies are important in determining optimal conditions for enzymatic conversion of blood type B to O erythrocytes if efficient large-scale production of enzymatically converted, universally transfusable red blood cells is to be achieved.

UI MeSH Term Description Entries
D001774 Blood Chemical Analysis An examination of chemicals in the blood. Analysis, Blood Chemical,Chemical Analysis, Blood,Analyses, Blood Chemical,Blood Chemical Analyses,Chemical Analyses, Blood
D004789 Enzyme Activation Conversion of an inactive form of an enzyme to one possessing metabolic activity. It includes 1, activation by ions (activators); 2, activation by cofactors (coenzymes); and 3, conversion of an enzyme precursor (proenzyme or zymogen) to an active enzyme. Activation, Enzyme,Activations, Enzyme,Enzyme Activations
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D006026 Glycoside Hydrolases Any member of the class of enzymes that catalyze the cleavage of the glycosidic linkage of glycosides and the addition of water to the resulting molecules. Endoglycosidase,Exoglycosidase,Glycohydrolase,Glycosidase,Glycosidases,Glycoside Hydrolase,Endoglycosidases,Exoglycosidases,Glycohydrolases,Hydrolase, Glycoside,Hydrolases, Glycoside
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000017 ABO Blood-Group System The major human blood type system which depends on the presence or absence of two antigens A and B. Type O occurs when neither A nor B is present and AB when both are present. A and B are genetic factors that determine the presence of enzymes for the synthesis of certain glycoproteins mainly in the red cell membrane. ABH Blood Group,ABO Blood Group,ABO Factors,Blood Group H Type 1 Antigen,H Blood Group,H Blood Group System,ABO Blood Group System,Blood Group, ABH,Blood Group, ABO,Blood Group, H,Blood-Group System, ABO,Factors, ABO,System, ABO Blood-Group
D000939 Epitopes Sites on an antigen that interact with specific antibodies. Antigenic Determinant,Antigenic Determinants,Antigenic Specificity,Epitope,Determinant, Antigenic,Determinants, Antigenic,Specificity, Antigenic
D013025 Glycine max An annual legume. The SEEDS of this plant are edible and used to produce a variety of SOY FOODS. Soy Beans,Soybeans,Bean, Soy,Beans, Soy,Soy Bean,Soybean

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