Purification and properties of human alkaline phosphatase from meconium.
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چکیده
منابع مشابه
Purification and properties of alkaline phosphatase from rat chloroma.
Activity was determined by the rate of hydrolysis of 13-glycerophosphate on p-nitrophenyl phosphate (8). The determination with sodium 13-glycerophosphate was carried out as follows. The reaction mixture consisted of 0.05 M Tnis-HC1 (pH 10), 0.023 M sodium 13-glycerophosphate, 0.004 M MgCl2, and enzyme in a final volume of 2 ml. After incubation at 37° for 30 mm, 2 ml of 10% tnicbloroacetic ac...
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Despite the apparent link between the presence of alkaline phosphatase (ALP) and various cancers, it has so far been difficult to determine distinct differences between seminoma-derived ALP and placental ALP (PLAP). In order to determine specificity, we purified ALP from a seminoma type of human testicular cancer tissue and compared its biochemical and immunological properties with those of PLA...
متن کاملPurification of Alkaline Phosphatase
8. An increase in the rate of progression of the bands down the column decreases the sharpness of the bands. On 'Zeo-Karb 215' (40-60 mesh/in.) a rate ofprogression of 10-15 cm./hr. gave satisfactory results. 9. Equations have been derived permitting the calculation ofthe proportion ofthe column occupied by a component, the width ofthe boundaries and the expected yield of pure components in sep...
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An alkaline phosphatase (A LPase) from Saccharomyces cerevisiae strain 257 was purified 345-fold with specific activity of 54 533 nmol x min“ 1 x mg protein-1 . It was shown to be a dimeric protein (apparent mol. wt. approx. 130 kDa) with optimum activity at pH 8.6 8.8 and good stability at 50 °C. The A LPase was a non-specific enzyme hydrolyzing a wide vari ety of monophosphate esters. The en...
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Alkaline phosphatase from bovine synovial fluid was purified 2300-fold. A molecular weight of 72,300 was determined from sucrose density gradient studies. The following monoesters were hydrolyzed by the enzyme: P-glycerophosphate, galactosamine 6-phosphate, glucosamice 6-phosphate, glucose 6-phosphate, o-phospho-L-serine, o-carboxyphenyl phosphate, phenyl phosphate, and p-nitrophenyl phosphate....
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1981
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.29.3660