نتایج جستجو برای: transferases
تعداد نتایج: 3562 فیلتر نتایج به سال:
The purification of homogeneous glutathione S-transferases B and C from rat liver is described. Kinetic and physical properties of these enzymes are compared with those of homogeneous transferases A and E. The letter designations for the transferases are based on the reverse order of elution from carboxymethylcellulose, the purification step in which the transferases are separated from each oth...
The purification of homogeneous glutathione S-transferases B and C from rat liver is described. Kinetic and physical properties of these enzymes are compared with those of homogeneous transferases A and E. The letter designations for the transferases are based on the reverse order of elution from carboxymethylcellulose, the purification step in which the transferases are separated from each oth...
A hitherto unknown cytosolic glutathione S-transferase from rat liver was discovered and a method developed for its purification to apparent homogeneity. This enzyme had several properties that distinguished it from other glutathione S-transferases, and it was named glutathione S-transferase X. The purification procedure involved DEAE-cellulose chromatography, (NH4)2SO4 precipitation, affinity ...
Glutathione S-transferases have been purified to homogeneity from Chinese hamster liver. Three enzyme forms were separated and designated Forms I, II, and III in order of their elution from carboxymethylcellulose columns. The forms exhibit close physical similarities to glutathione S-transferases B (ligandin) of rat liver and epsilon of humam liver. However, enzyme kinetic analysis indicates th...
recent research highlights the importance of gsts in the establishment of chronic helminth infections. gsts have the potential to protect the parasite against the host immune response. in this present study, gst enzyme assay has been investigated on whole extract of f. hepatica and sheep liver tissue. to the 1-ml plastic cuvette, added 200 mm potassium phosphate buffer. then added 50 mm gsh red...
Mucin-type O-glycosylation is initiated by a large family of UDP-GalNAc: polypeptide N -acetyl-galactosaminyltransferases (GalNAc-transferases). Individual GalNAc-transferases appear to have different functions and Northern analysis indicates that they are differently expressed in different organs. This suggests that O-glycosylation may vary with the repertoire of GalNAc-transferases expressed ...
Intact BHK (baby hamster kidney) cells catalyze the hydrolysis of UDP-galactose to free galactose. The generation of galactose from UDP-galactose and its intracellular utilization impede the detection of possible galactosyl transferases on the cell surface of intact cells. Several independent procedures have been used to distinguish between intracellular and cell surface glycosyl transferases. ...
two-dimensional electrophoresis (2-d electrophoresis) is a powerful and extensively used method for analysis of complex protein mixtures extracted from cells, tissue, or other biological samples such as helminth parasites including, f. hepatica. each spot on the resulting two-dimensional collection corresponds to a single protein species in the sample. this study was carried out to detect of gs...
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