- The PHP (Polymerase and Histidinol Phosphatase) domain is a putative phosphoesterase domain. (ebi.ac.uk)
- In Mycobaterium tuberculosis , the gene dnaE1 encodes a polymerase and histidinol-phosphatase (PHP) domain that carries out the 3'→5' exonuclease and proofreading function. (wikipedia.org)
- This is particularly the case for the polymerase and histidinol phosphatase family, which are predominantly found in bacteria. (edu.au)
- Bacterial replicative DNA polymerases contain a Polymerase and Histidinol Phosphatase (PHP) domain that plays a role in proofreading newly synthesized DNA. (beds.ac.uk)
- BACKGROUND: In addition to the core catalytic machinery, bacterial replicative DNA polymerases contain a Polymerase and Histidinol Phosphatase (PHP) domain whose function is not entirely understood. (umassmed.edu)
- Many bacterial PolXs have a polymerase and histidinol phosphatase (PHP) domain at their C-termini in addition to a PolX core (POLXc) domain, and possess 3'-5' exonuclease activity. (neb.com)
- Phylogenetic analysis revealed that YcdY has recently evolved from DmsD and that YcdY has likely diverged into 2 subfamilies linked to Zn- dependent alkaline phosphatase ( ycdX ) operons and a newly identified operon containing part of Zn-metallopeptidase FtsH complex component ( hflC ) and NADH-quinone dehydrogenase ( mdaB ). (biomedcentral.com)
- The enzyme from some sources may be identical with EC 3.1.3.1 (alkaline phosphatase) or EC 3.1.3.9 (glucose-6-phosphatase). (qmul.ac.uk)
- this mutant can utilize l-histidinol as sole source of carbon and nitrogen and has a 60-fold increased histidinol dehydrogenase (hdh) content (dhawale, creaser & loper, 1972). (liverpool.ac.uk)
- The firth step is catalysed instead by histadinolphosphate aminotransferase (encoded by hisC) The peptide is 40.5kDa and associates to form a hexamer (unless truncated) In E. coli hisB is found on the hisGDCBHAFI operon The phosphatase activity possess a substrate ambiguity and overexpression of hisB can rescue phosphoserine phosphatase (serB) knockouts. (wikipedia.org)
- Acid Phosphatase" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
- This graph shows the total number of publications written about "Acid Phosphatase" by people in Harvard Catalyst Profiles by year, and whether "Acid Phosphatase" was a major or minor topic of these publication. (harvard.edu)
- Below are the most recent publications written about "Acid Phosphatase" by people in Profiles. (harvard.edu)
- When grown on low-Pi medium, the chaA1 pabaA1 palB7 mutant of Aspergillus nidulans excretes an acid phosphatase with steady-state kinetic properties, temperature sensitivity and electrophoretic mobility different from those of the enzyme excreted by the pabaA1 strain. (bvsalud.org)
- The apparent half-lives at 60§C, pH 5.5, of acid phosphatase excreted by the pabaA1 and chaA1 pabaA1 palB7 strains were 58.6 + or - 4.9 min and 21.5 + or - 1.8 min, respectively. (bvsalud.org)
- Furthermore, the electrophoretic mobility of acid phosphatases excreted by the palA1, palB7, palC4, palE11 and palF15 mutants of A. nidulans was altered and differed from the electrophoretic mobility of the enzyme excreted by the wild-type strain. (bvsalud.org)
- Also, the palB7 mutation altered the electrophoretic pattern of acid phosphatases synthesized on high-Pi medium. (bvsalud.org)
- The mycelial Pi-repressible acid phosphatase presented p-nitrophenylphosphatase activity with negative cooperativity and Michaelian behavior when synthesized by the wild-type and pho-2A mutant strains of Neurospora crassa, respectively. (bvsalud.org)
- The major acid phosphatase present in cell extracts of the pho-2A mutant of N. crassa grown in low Pi medium is more thermolabile (t½= 4 min at 54 grade C, pH 5.4) than that of the wild strain (stable for at least 80 min at 54 grade C, pH 5.4). (bvsalud.org)
- The pho-2A mutant of N. crassa secreted a more thermobabile acid phosphatase (t½=30 min at 50 grade C, pH 5.4) than the wild strain (t½ of at least 80 min at 50 grade C, pH 5.4). (bvsalud.org)
- The pho-2A mutant of N. crassa synthesized a more thermolabile acid phosphatase (t½=37 min at 54 grade C, pH 5.4) than the wild strain in high Pi medium (t½=14 min at 54 grade C, pH 5.4). (bvsalud.org)
- which is mediated by the enzyme histidinol-phosphatase. (ymdb.ca)
- Arabidopsis contains a single canonical IMP gene, which was previously shown in our lab to encode a bifuntional enzyme with both IMP and L-galactose 1-phosphatase activity. (vt.edu)
- The former function (EC 4.2.1.19), found at the N-terminal, dehydrated d-erythroimidazoleglycerolphosphate to imidazoleacetolphosphate, the latter function (EC 3.1.3.15), found at the C-terminal, dephosphorylates l-histidinolphosphate producing histidinol. (wikipedia.org)
- SCE318331 AJ318331 4061bp DNA PLN 19-JUN-2001 Saccharomyces cerevisiae SAP155 gene for Sit4p phosphatase-associated protein. (bio.net)
- CRITICAL ISSUES: Additional substrates of the phosphatases apart from cognate kinases are currently being identified. (edu.au)
- The resulting compound reacts with an NAD driven histidine biosynthesis trifunctional protein resulting in the release of histidinol. (smpdb.ca)
- Histidinol reacts with water through a histidine biosynthesis trifunctional protein resulting in the release of L-histidine. (smpdb.ca)
- A0A4U8KSP2_SALET Probable phosphatase YcdX OS=Salmonella enterica subsp. (uniprot.org)
- Two possible candidates that could be responsible for maintaining high DNA fidelity in this MMR-deficient organism are the ancestral-like DNA polymerase DnaE1, which contains a highly efficient DNA proofreading histidinol phosphatase (PHP) domain, and/or the existence of a uracil-DNA glycosylase B (UdgB) homolog that might protect the GC-rich M. smegmatis genome against DNA damage arising from oxidation or deamination. (g3journal.org)
- analysis of an l-histidinol-utilizing mutant of pseudomonas aeruginosa. (liverpool.ac.uk)
- The recent structures of associated auto-phosphorylating tyrosine kinases has suggested that the phosphatases may be critical for the cycling of the kinases between monomers and higher order oligomers. (edu.au)
- Many extracellular cues are linked to cellular responses via transmembrane receptor protein tyrosine kinases (PTKs) and phosphatases (PTPs). (embopress.org)
- Furthermore, the determination of bacterial tyrosine phosphoproteomes will likely help to uncover the fundamental roles, mechanism and critical importance of these phosphatases in a wide range of bacteria. (edu.au)
- SIGNIFICANCE: Tyrosine phosphorylation and associated protein tyrosine phosphatases are gaining prominence as critical mechanisms in the regulation of fundamental processes in a wide variety of bacteria. (edu.au)
- PAP preparations from either mitotic HeLa cells or Sf9 insect cells coinfected with PAP, p34 cdc2 , and cyclin B baculoviruses showed significant reductions in activity, and this repression could be reversed by treatment with phosphatase ( 5 ). (asm.org)