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Title: Phosphatase  
Author: World Heritage Encyclopedia
Language: English
Subject: PTEN (gene), Purple acid phosphatases, Acid phosphatase, OCRL, Tartrate-resistant acid phosphatase
Collection: Ec 3.1.3, Protein Structure
Publisher: World Heritage Encyclopedia


A phosphatase is an alkaline phosphatase. Another large group of proteins present in archaea, bacteria, and eukaryote exhibits deoxyribonucleotide and ribonucleotide phosphatase or pyrophosphatase activities that catalyse the decomposition of dNTP/NTP into dNDP/NDP and a free phosphate ion or dNMP/NMP and a free pyrophosphate ion.[1][2][3] The other group of phosphatase is collectively called as protein phosphatase, which removes a phosphate group from the phosphorylated amino acid residue of the substrate protein. Protein phosphorylation is a common posttranslational modification of protein catalyzed by protein kinases, and protein phosphatases reverse the effect.

See also


  1. ^ Davies O, Mendes P, Smallbone K, Malys N (2012). "Characterisation of multiple substrate-specific (d)ITP/(d)XTPase and modelling of deaminated purine nucleotide metabolism". BMB Reports 45 (4): 259–64.  
  2. ^ Martin, S. S. and Senior, H. E. (1980). "Membrane adenosine triphosphatase activities in rat pancreas". Biochim. Biophys. Acta 602: 401–418.  
  3. ^ Riley, M. V. and Peters, M. I. (1981). "The localization of the anion-sensitive ATPase activity in corneal endothelium". Biochim. Biophys. Acta 644: 251–256.  

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