A specific alkaline phosphatase from Saccharomyces cerevisiae with protein phosphatase activity

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منابع مشابه

Purification and Properties of Alkaline Phosphatase with Protein Phosphatase Activity from Saccharomyces cerevisiae

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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Phosphorylase phosphatase activity in Saccharomyces cerevisiae 257.

A phosphatase, active towards phosphorylase a and phosphorylated proteins casein and histone II-A, was isolated from Saccharomyces cerevisiae 257. The enzyme dephosphorylated glycogen phosphorylase from commercial yeast rendering it inactive. The protein phosphatase activity was not influenced by any metal ions. Phosphorylase phosphatase activity was slightly stimulated by p-nitrophenyl phospha...

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Phosphotyrosyl-specific protein phosphatase activity of a bovine skeletal acid phosphatase isoenzyme. Comparison with the phosphotyrosyl protein phosphatase activity of skeletal alkaline phosphatase.

A partially purified bovine cortical bone acid phosphatase, which shared similar characteristics with a class of acid phosphatase known as tartrate-resistant acid phosphatase, was found to dephosphorylate phosphotyrosine and phosphotyrosyl proteins, with little activity toward other phosphoamino acids or phosphoseryl histones. The pH optimum was about 5.5 with p-nitrophenyl phosphate as substra...

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The separation and partial characterization of L-histidinol phosphatase and an alkaline phosphatase of Saccharomyces cerevisiae.

Two enzymes which effected the hydrolysis of the histidine biosynthetic intermediate histidinol phosphate were isolated from Saccharomyces cerevisiae. The enzymes were separated by diethylaminoethyl Sephadex column chromatography and partially characterized. The histidinol phosphatase was shown to be a speci6c enzyme, hydrolyzing only the histidine intermediate, histidinol phosphate. It was ins...

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Quantification and comparison of bone-specific alkaline phosphatase with two methods in normal and paget’s specimens

Background: Bone-specific alkaline phosphatase (BAP) is synthesized by the osteoblasts and is presumed to be involved in the calcification of bone matrix, though its precise role in the formation process is unknown. The aim of the present study was to measure the BAP activity in Paget's and normal specimens by two different techniques. Methods: Total ALP (TAP) as well as BAP activity-measuring ...

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ژورنال

عنوان ژورنال: FEMS Microbiology Letters

سال: 1998

ISSN: 0378-1097

DOI: 10.1016/s0378-1097(98)00065-2