The maturation mechanism of γ-glutamyl transpeptidases: Insights from the crystal structure of a precursor mimic of the enzyme from Bacillus licheniformis and from site-directed mutagenesis studies (422 views)
Bba-Gen Subjects (ISSN: 0925-4439, 0006-3002, 1570-9639), 2016; 1864(2): 195-203.
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Paper type: Journal Article,
Impact factor: 5.476, 5-year impact factor: 5.725
Url: https://www2.scopus.com/inward/record.uri?eid=2-s2.0-84948453364&partnerID=40&md5=6569aec1c5036717080cf6d0ed6aa37a
Keywords: Autoprocessing, Single-Point Mutation, X-Ray Crystallography, γ-Glutamyltranspeptidase, γ-Gt Precursor, Alanine, Bacterial Enzyme, Carbonyl Derivative, Enzyme Precursor, Gamma Glutamyltransferase, Hydroxyl Group, Threonine, Article, Bacillus Licheniformis, Controlled Study, Crystal Structure, Enzyme Activity, Enzyme Mechanism, Enzyme Structure, Hydrogen Bond, Nonhuman, Nucleophilicity, Priority Journal, Site Directed Mutagenesis, X Ray Crystallography,
Affiliations:
*** IBB - CNR ***
Department of Chemical Sciences, University of Naples Federico II, Via Cintia, Naples, Italy
Istituto di Biostrutture e Bioimmagini, CNR, Via Mezzocannone, 16, Naples, Italy
Department of Applied Chemistry, National Chiayi University, 300 Syuefu Road, Chiayi City, Taiwan
References:
Not available.
Bba-Gen Subjects (ISSN: 0925-4439, 0006-3002, 1570-9639), 2016; 1864(2): 195-203.
Export to BibTeX Export to EndNote
Paper type: Journal Article,
Impact factor: 5.476, 5-year impact factor: 5.725
Url: https://www2.scopus.com/inward/record.uri?eid=2-s2.0-84948453364&partnerID=40&md5=6569aec1c5036717080cf6d0ed6aa37a
Keywords: Autoprocessing, Single-Point Mutation, X-Ray Crystallography, γ-Glutamyltranspeptidase, γ-Gt Precursor, Alanine, Bacterial Enzyme, Carbonyl Derivative, Enzyme Precursor, Gamma Glutamyltransferase, Hydroxyl Group, Threonine, Article, Bacillus Licheniformis, Controlled Study, Crystal Structure, Enzyme Activity, Enzyme Mechanism, Enzyme Structure, Hydrogen Bond, Nonhuman, Nucleophilicity, Priority Journal, Site Directed Mutagenesis, X Ray Crystallography,
Affiliations:
*** IBB - CNR ***
Department of Chemical Sciences, University of Naples Federico II, Via Cintia, Naples, Italy
Istituto di Biostrutture e Bioimmagini, CNR, Via Mezzocannone, 16, Naples, Italy
Department of Applied Chemistry, National Chiayi University, 300 Syuefu Road, Chiayi City, Taiwan
References:
Not available.
The maturation mechanism of γ-glutamyl transpeptidases: Insights from the crystal structure of a precursor mimic of the enzyme from Bacillus licheniformis and from site-directed mutagenesis studies
γ-Glutamyl transpeptidases (γ-GTs) are members of N-terminal nucleophile hydrolase superfamily. They are synthetized as single-chain precursors, which are then cleaved to form mature enzymes. Basic aspects of autocatalytic processing of these pro-enzymes are still unknown. Here we describe the X-ray structure of the precursor mimic of Bacillus licheniformis γ-GT (BlGT), obtained by mutating catalytically important threonine to alanine (T399A-BlGT), and report results of autoprocessing of mutants of His401, Thr415, Thr417, Glu419 and Arg571. Data suggest that Thr417 is in a competent position to activate the catalytic threonine (Thr399) for nucleophilic attack of the scissile peptide bond and that Thr415 plays a major role in assisting the process. On the basis of these new structural results, a possible mechanism of autoprocessing is proposed. This mechanism, which guesses the existence of a six-membered transition state involving one carbonyl and two hydroxyl groups, is in agreement with all the available experimental data collected on γ-GTs from different species and with our new Ala-scanning mutagenesis data. © 2015 Elsevier B.V. All rights reserved.
γ-Glutamyl transpeptidases (γ-GTs) are members of N-terminal nucleophile hydrolase superfamily. They are synthetized as single-chain precursors, which are then cleaved to form mature enzymes. Basic aspects of autocatalytic processing of these pro-enzymes are still unknown. Here we describe the X-ray structure of the precursor mimic of Bacillus licheniformis γ-GT (BlGT), obtained by mutating catalytically important threonine to alanine (T399A-BlGT), and report results of autoprocessing of mutants of His401, Thr415, Thr417, Glu419 and Arg571. Data suggest that Thr417 is in a competent position to activate the catalytic threonine (Thr399) for nucleophilic attack of the scissile peptide bond and that Thr415 plays a major role in assisting the process. On the basis of these new structural results, a possible mechanism of autoprocessing is proposed. This mechanism, which guesses the existence of a six-membered transition state involving one carbonyl and two hydroxyl groups, is in agreement with all the available experimental data collected on γ-GTs from different species and with our new Ala-scanning mutagenesis data. © 2015 Elsevier B.V. All rights reserved.
The maturation mechanism of γ-glutamyl transpeptidases: Insights from the crystal structure of a precursor mimic of the enzyme from Bacillus licheniformis and from site-directed mutagenesis studies
| ▼ Galectins: Structure, function and therapeutic potential inhibitors |
The maturation mechanism of γ-glutamyl transpeptidases: Insights from the crystal structure of a precursor mimic of the enzyme from Bacillus licheniformis and from site-directed mutagenesis studies
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* Exploiting the hydrophobic and hydrophilic binding sites for designing carbonic anhydrase inhibitors (547 views)
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Impact Factor: 3.467
View Export to BibTeX Export to EndNote
De Simone G, Supuran CT
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Pica A, Russo Krauss I, Castellano I, Rossi M, La Cara F, Graziano G, Sica F, Merlino A
* Exploring The Unfolding Mechanism Of Gamma-Glutamyltranspeptidases: The Case Of The Thermophilic Enzyme From Geobacillus Thermodenitrificans (635 views)
Bba-Gen Subjects (ISSN: 1570-9639, 0006-3002, 0925-4439), 2012 Apr; 1824(4): 571-577.
Impact Factor: 3.733
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Russo Krauss I, Sica F, Mattia CA, Merlino A
* Increasing the X-ray diffraction power of protein crystals by dehydration: the case of bovine serum albumin and a survey of literature data (633 views)
Int J Mol Sc (ISSN: 1422-0067, 1661-6596, 1422-0067electronic), 2012 Mar; 13(3): 3782-3800.
Impact Factor: 2.464
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Esposito L, Ruggiero A, Masullo M, Ruocco MR, Lamberti A, Arcari P, Zagari A, Vitagliano L
* Crystallographic and spectroscopic characterizations of Sulfolobus solfataricus TrxA1 provide insights into the determinants of thioredoxin fold stability (311 views)
J Struct Biol (ISSN: 1047-8477, 1047-8477linking), 2012 Feb; 177(2): 506-512.
Impact Factor: 3.361
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Castellano I, Merlino A
* γ-glutamyltranspeptidases: Sequence, structure, biochemical properties, and biotechnological applications (431 views)
Cell Mol Life Sci (ISSN: 1420-682x), 2012; 69(20): 3381-3394.
Impact Factor: 5.615
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Merlino A, Russo Krauss I, Albino A, Pica A, Vergara A, Masullo M, De Vendittis E, Sica F
* Improving Protein Crystal Quality by the Without-Oil Microbatch Method: Crystallization and Preliminary X-ray Diffraction Analysis of Glutathione Synthetase from Pseudoalteromonas haloplanktis (463 views)
Int J Mol Sc (ISSN: 1422-0067, 1661-6596, 1422-0067electronic), 2011 Sep; 12(9): 6312-6319.
Impact Factor: 2.598
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Castellano I, Di Salle A, Merlino A, Rossi M, La Cara F
* Gene cloning and protein expression of γ-glutamyltranspeptidases from Thermus thermophilus and Deinococcus radiodurans: Comparison of molecular and structural properties with mesophilic counterparts (380 views)
Extremophiles (ISSN: 1431-0651, 1433-4909, 1433-4909electronic), 2011; 15(2): 259-270.
Impact Factor: 2.941
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Di Fiore A, Monti SM, Innocenti A, Winum J-Y, De Simone G, Supuran CT
* Carbonic anhydrase inhibitors: Crystallographic and solution binding studies for the interaction of a boron-containing aromatic sulfamide with mammalian isoforms I-XV (356 views)
Bioorg Med Chem Lett Bioorganic And Medicinal Chemistry Letters (ISSN: 0960-894x), 2010 Jun 15; 20(12): 3601-3605.
Impact Factor: 2.661
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De Simone G, Supuran CT
* Carbonic anhydrase IX: Biochemical and crystallographic characterization of a novel antitumor target (410 views)
Bba-Gen Subjects (ISSN: 1570-9639, 0006-3002, 0925-4439), 2010 Feb; 1804(2): 404-409.
Impact Factor: 2.773
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Guler OO, De Simone G, Supuran CT
* Drug design studies of the novel antitumor targets carbonic anhydrase IX and XII (547 views)
Curr Med Chem (ISSN: 0929-8673, 1875-533x, 1875-533xelectronic), 2010; 17(15): 1516-1526.
Impact Factor: 4.63
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Merlino A, Vitagliano L, Howes BD, Verde C, Di Prisco G, Smulevich G, Sica F, Vergara A
* Combined Crystallographic and Spectroscopic Analysis of Trematomus bernacchii Hemoglobin Highlights Analogies and Differences in the Peculiar Oxidation Pathway of Antarctic Fish Hemoglobins (423 views)
Biopolymers (ISSN: 0006-3525, 0006-6352, 0006-3525print), 2009 Dec; 91(12): 1117-1125.
Impact Factor: 2.605
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Ruggiero A, Masullo M, Marasco D, Ruocco MR, Grimaldi P, Arcari P, Zagari A, Vitagliano L
* The dimeric structure of Sulfolobus solfataricus thioredoxin A2 and the basis of its thermostability (447 views)
Proteins (ISSN: 0887-3585, 1097-0134, 1097-0134electronic), 2009 Dec; 77(4): 1004-1008.
Impact Factor: 3.085
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Wekselman I, Davidovich C, Agmon I, Zimmerman E, Rozenberg H, Bashan A, Berisio R, Yonath A
* Ribosome's mode of function: Myths, facts and recent results (404 views)
J Pept Sci (ISSN: 1075-2617, 1099-1387, 1075-2617print), 2009 Mar; 15(3): 122-130.
Impact Factor: 1.807
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Alterio V, Di Fiore A, D'Ambrosio K, Supuran CT, De Simone G
* X-Ray Crystallography of Carbonic Anhydrase Inhibitors and Its Importance in Drug Design (437 views)
Drug Des Of Zinc Enzyme Inhibitors (ISSN: 9780-4702, 9780-470275009), 2009; N/D: 73-138.
Impact Factor: 1.156
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Merlino A, Sica F, Mazzarella L, Zagari A, Vergara A
* Correlation between Raman and X-ray crystallography data of (Pro-Pro-Gly)(10) (508 views)
Biophys Chem (ISSN: 0301-4622, 0301-4622linking), 2008 Sep; 137(1): 24-27.
Impact Factor: 2.362
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Alterio V, De Simone G, Monti SM, Scozzafava A, Supuran CT
* Carbonic anhydrase inhibitors: Inhibition of human, bacterial, and archaeal isozymes with benzene-1, 3-disulfonamides-Solution and crystallographic studies (338 views)
Bioorg Med Chem Lett Bioorganic And Medicinal Chemistry Letters (ISSN: 0960-894x), 2007 Sep 1; 17(15): 4201-4207.
Impact Factor: 2.604
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Di Fiore A, Scozzafava A, Winum JY, Montero JL, Pedone C, Supuran CT, De Simone G
* Carbonic anhydrase inhibitors: binding of an antiglaucoma glycosyl-sulfanilamide derivative to human isoform II and its consequences for the drug design of enzyme inhibitors incorporating sugar moieties (416 views)
Bioorg Med Chem Lett Bioorganic And Medicinal Chemistry Letters (ISSN: 0960-894x), 2007 Mar 15; 17(6): 1726-1731.
Impact Factor: 2.604
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Menchise V, De Simone G, Di Fiore A, Scozzafava A, Supuran CT
* Carbonic anhydrase inhibitors: X-ray crystallographic studies for the binding of 5-amino-1, 3, 4-thiadiazole-2-sulfonamide and 5-(4-amino-3-chloro-5-fluorophenylsulfonamido)1, 3, 4-thiadiazole-2-sulfon amide to human isoform II (320 views)
Bioorganic & Medicinal Chemistry Letters (ISSN: 0960-894x), 2006 Dec 15; 16(24): 6204-6208.
Impact Factor: 2.538
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Di Fiore A, Pedone C, D'Ambrosio K, Scozzafava A, De Simone G, Supuran CT
* Carbonic anhydrase inhibitors: Valdecoxib binds to a different active site region of the human isoform II as compared to the structurally related cyclooxygenase II 'selective' inhibitor celecoxib (328 views)
Bioorg Med Chem Lett Bioorganic And Medicinal Chemistry Letters (ISSN: 0960-894x), 2006 Jan 15; 16(2): 437-442.
Impact Factor: 2.538
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Esposito L, Sica F, Raia CA, Giordano A, Rossi M, Mazzarella L, Zagari A
* Crystal Structure Of The Alcohol Dehydrogenase From The Hyperthermophilic Archaeon Sulfolobus Solfataricus At 1. 85 Angstrom Resolution (500 views)
J Mol Biol (ISSN: 0022-2836, 1089-8638, 1089-8638electronic), 2002 Apr 26; 318(2): 463-477.
Impact Factor: 5.359
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36 Records (36 excluding Abstracts).
Total impact factor: 115.274 (115.274 excluding Abstracts).
Total 5 year impact factor: 107.266 (107.266 excluding Abstracts).
Total impact factor: 115.274 (115.274 excluding Abstracts).
Total 5 year impact factor: 107.266 (107.266 excluding Abstracts).
422 views. Last view on Thursday 24 August 2023, 14:03:56
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