Phosphatase Subfamily Acr2

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Phosphatase Classification: Superfamily Cys-based II: Family CDC25: Subfamily Acr2

Arsenate Reductase

Prokaryotes and eukaryotes use arsenate reductases of distinct folds. E. coli uses ArsC, which belongs to Superfamily Cys-based III, the same as LMWPTP and SSU72. In eukaryotes, particularly fungi, plants and protists, ACR2 exhibit arsenate reductase activity [1]

Arc2 as Arsenate Reductase

The ACR2 gene of Saccharomyces cerevisiae overexpressed in E. coli was shown to exhibit arsenate reductase activity and complement the arsenate-sensitive phenotype of an arsC deletion in E. coli [2, 3].

Reference

  1. Yeo HK and Lee JY. Crystal structure of Saccharomyces cerevisiae Ygr203w, a homolog of single-domain rhodanese and Cdc25 phosphatase catalytic domain. Proteins. 2009 Aug 1;76(2):520-4. DOI:10.1002/prot.22420 | PubMed ID:19382206 | HubMed [yeo09]
  2. Mukhopadhyay R and Rosen BP. Saccharomyces cerevisiae ACR2 gene encodes an arsenate reductase. FEMS Microbiol Lett. 1998 Nov 1;168(1):127-36. DOI:10.1111/j.1574-6968.1998.tb13265.x | PubMed ID:9812373 | HubMed [yeast98]
  3. Mukhopadhyay R, Shi J, and Rosen BP. Purification and characterization of ACR2p, the Saccharomyces cerevisiae arsenate reductase. J Biol Chem. 2000 Jul 14;275(28):21149-57. DOI:10.1074/jbc.M910401199 | PubMed ID:10801893 | HubMed [yeast00]
All Medline abstracts: PubMed | HubMed