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Characterization of the folate salvage enzyme p-aminobenzoylglutamate hydrolase in plants.
Bozzo GG, Basset GJ, Naponelli V, Noiriel A, Gregory JF 3rd, Hanson AD. Bozzo GG, et al. Phytochemistry. 2008 Jan;69(1):29-37. doi: 10.1016/j.phytochem.2007.06.031. Epub 2007 Aug 14. Phytochemistry. 2008. PMID: 17698154
Folates break down in vivo to give pterin and p-aminobenzoylglutamate (pABAGlu) fragments, the latter usually having a polyglutamyl tail. Pilot studies have shown that plants can hydrolyze pABAGlu and its polyglutamates to p-aminobenzoate, a folate biosynthesis prec …
Folates break down in vivo to give pterin and p-aminobenzoylglutamate (pABAGlu) fragments, the latter usually having a polyglutamyl t …
Preparation, characterization, immobilization, and molecular docking analysis of a novel detergent-stable subtilisin-like serine protease from Streptomyces mutabilis strain TN-X30.
Mechri S, Allala F, Bouacem K, Hasnaoui I, Gwaithan H, Chalbi TB, Saalaoui E, Asehraou A, Noiriel A, Abousalham A, Hacene H, Bouanane-Darenfed A, Le Roes-Hill M, Jaouadi B. Mechri S, et al. Int J Biol Macromol. 2022 Dec 1;222(Pt A):1326-1342. doi: 10.1016/j.ijbiomac.2022.09.161. Epub 2022 Sep 20. Int J Biol Macromol. 2022. PMID: 36242508
Molecular modeling and docking of N-succinyl-l-Phe-l-Ala-l-Ala-l-Phe-p-nitroanilide in the active site of SPSM revealed the involvement of 21 amino acids in substrate binding....
Molecular modeling and docking of N-succinyl-l-Phe-l-Ala-l-Ala-l-Phe-p-nitroanilide in the active site of SPSM revealed the involveme …
Nonflowering plants possess a unique folate-dependent phenylalanine hydroxylase that is localized in chloroplasts.
Pribat A, Noiriel A, Morse AM, Davis JM, Fouquet R, Loizeau K, Ravanel S, Frank W, Haas R, Reski R, Bedair M, Sumner LW, Hanson AD. Pribat A, et al. Plant Cell. 2010 Oct;22(10):3410-22. doi: 10.1105/tpc.110.078824. Epub 2010 Oct 19. Plant Cell. 2010. PMID: 20959559 Free PMC article.
These proteins were shown to have Phe hydroxylase activity by functional complementation of an Escherichia coli Tyr auxotroph and by enzyme assays. The P. taeda and P. patens AAHs were specific for Phe, required iron, showed Michaelian kinetics, and were active as m …
These proteins were shown to have Phe hydroxylase activity by functional complementation of an Escherichia coli Tyr auxotroph and by enzyme …
Pterin and folate salvage. Plants and Escherichia coli lack capacity to reduce oxidized pterins.
Noiriel A, Naponelli V, Gregory JF 3rd, Hanson AD. Noiriel A, et al. Plant Physiol. 2007 Mar;143(3):1101-9. doi: 10.1104/pp.106.093633. Epub 2007 Jan 12. Plant Physiol. 2007. PMID: 17220358 Free PMC article.
Second, no label was incorporated into folates when 6-[(3)H]hydroxymethylpterin was fed to cultured Arabidopsis plantlets for 7 d, whereas [(3)H]folate synthesis from p-[(3)H]aminobenzoate was extensive. Third, no NAD(P)H-dependent pterin ring reduction was found in …
Second, no label was incorporated into folates when 6-[(3)H]hydroxymethylpterin was fed to cultured Arabidopsis plantlets for 7 d, whereas [ …
Comparative genomics of bacterial and plant folate synthesis and salvage: predictions and validations.
de Crécy-Lagard V, El Yacoubi B, de la Garza RD, Noiriel A, Hanson AD. de Crécy-Lagard V, et al. BMC Genomics. 2007 Jul 23;8:245. doi: 10.1186/1471-2164-8-245. BMC Genomics. 2007. PMID: 17645794 Free PMC article.
For bacteria, these included the existence of novel GTP cyclohydrolase I and folylpolyglutamate synthase gene families, and of a trifunctional p-aminobenzoate synthesis gene. For plants and bacteria, the predictions comprised the identities of a 'missing' folate synthesis …
For bacteria, these included the existence of novel GTP cyclohydrolase I and folylpolyglutamate synthase gene families, and of a trifunction …
Identification of transport-critical residues in a folate transporter from the folate-biopterin transporter (FBT) family.
Eudes A, Kunji ER, Noiriel A, Klaus SM, Vickers TJ, Beverley SM, Gregory JF 3rd, Hanson AD. Eudes A, et al. J Biol Chem. 2010 Jan 22;285(4):2867-75. doi: 10.1074/jbc.M109.063651. Epub 2009 Nov 18. J Biol Chem. 2010. PMID: 19923217 Free PMC article.
Folate transport was assessed via the growth of an E. coli pabA abgT strain, which cannot synthesize or take up folates or p-aminobenzoylglutamate. In total, 47 residues were replaced with Cys or Ala. ...
Folate transport was assessed via the growth of an E. coli pabA abgT strain, which cannot synthesize or take up folates or p-aminoben …