2ZQ7
 
 | | Apo structure of Class A beta-lactamase Toho-1 E166A/R274N/R276N triple mutant | | Descriptor: | Beta-lactamase Toho-1, SULFATE ION | | Authors: | Shimamura, T, Nitanai, Y, Uchiyama, T, Ago, H, Matsuzawa, H, Miyano, M. | | Deposit date: | 2008-08-07 | | Release date: | 2009-07-28 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (0.94 Å) | | Cite: | Improvement of the Crystal Quality by the Surface Mutations on a Beta-Lactamase Toho-1
To be Published
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2ZQA
 | | Cefotaxime acyl-intermediate structure of class a beta-lacta Toho-1 E166A/R274N/R276N triple mutant | | Descriptor: | Beta-lactamase Toho-1, CEFOTAXIME, C3' cleaved, ... | | Authors: | Nitanai, Y, Shimamura, T, Uchiyama, T, Ishii, Y, Takehira, M, Yutani, K, Matsuzawa, H, Miyano, M. | | Deposit date: | 2008-08-07 | | Release date: | 2009-07-28 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (0.95 Å) | | Cite: | Structural Basis of Extend Spectrum Beta-Lactamase in Correlation of Enzymatic Kinetics and Thermal Stability of Acyl-Intermediates
To be Published
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2ZQ8
 | | Apo structure of class a beta-lactamase Toho-1 R274N/R276N double mutant | | Descriptor: | Beta-lactamase Toho-1, SULFATE ION | | Authors: | Shimamura, T, Nitanai, Y, Uchiyama, T, Ago, H, Matsuzawa, H, Miyano, M. | | Deposit date: | 2008-08-07 | | Release date: | 2009-07-28 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.03 Å) | | Cite: | Improvement of crystal quality by surface mutations of beta-lactamase Toho-1
Acta Crystallogr.,Sect.F, 65, 2009
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5A92
 | | 15K X-ray structure with Cefotaxime: Exploring the Mechanism of beta- Lactam Ring Protonation in the Class A beta-lactamase Acylation Mechanism Using Neutron and X-ray Crystallography | | Descriptor: | BETA-LACTAMASE CTX-M-97, CEFOTAXIME, C3' cleaved, ... | | Authors: | Vandavasi, V.G, Weiss, K.L, Cooper, J.B, Erskine, P.T, Tomanicek, S.J, Ostermann, A, Schrader, T.E, Ginell, S.L, Coates, L. | | Deposit date: | 2015-07-17 | | Release date: | 2015-12-16 | | Last modified: | 2018-10-03 | | Method: | X-RAY DIFFRACTION (1.05 Å) | | Cite: | Exploring the Mechanism of Beta-Lactam Ring Protonation in the Class a Beta-Lactamase Acylation Mechanism Using Neutron and X-Ray Crystallography.
J.Med.Chem., 59, 2016
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6C7A
 | | Conformational Changes in a Class A Beta lactamase that Prime it for Catalysis | | Descriptor: | Beta-lactamase Toho-1, SULFATE ION | | Authors: | Coates, L, Langan, P.S, Vandavasi, V.G, Cooper, S.J, Weiss, K.L, Ginell, S.L, Parks, J.M. | | Deposit date: | 2018-01-22 | | Release date: | 2018-03-21 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (1.05 Å) | | Cite: | Substrate Binding Induces Conformational Changes in a Class A Beta-lactamase That Prime It for Catalysis
Acs Catalysis, 8, 2018
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2ZQ9
 | | Cephalothin acyl-intermediate structure of class a beta-lactamase Toho-1 E166A/R274N/R276N triple mutant | | Descriptor: | 5-METHYLENE-2-[2-OXO-1-(2-THIOPHEN-2-YL-ACETYLAMINO)-ETHYL]-5,6-DIHYDRO-2H-[1,3]THIAZINE-4-CARBOXYLIC ACID, Beta-lactamase Toho-1, CEPHALOTHIN, ... | | Authors: | Nitanai, Y, Shimamura, T, Uchiyama, T, Ishii, Y, Takehira, M, Yutani, K, Matsuzawa, H, Miyano, M. | | Deposit date: | 2008-08-07 | | Release date: | 2009-07-28 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.07 Å) | | Cite: | Structural Basis of Extend Spectrum Beta-Lactamase in Correlation of Enzymatic Kinetics and Thermal Stability of Acyl-Intermediates
To be Published
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2ZQC
 | | Aztreonam acyl-intermediate structure of class a beta-lactam Toho-1 E166A/R274N/R276N triple mutant | | Descriptor: | 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-oxo-2-{[(2S,3S)-1-oxo-3-(sulfoamino)butan-2-yl]amino}ethylidene]amino}oxy)-2-methylpropanoic acid, Beta-lactamase Toho-1, SULFATE ION | | Authors: | Nitanai, Y, Shimamura, T, Uchiyama, T, Ishii, Y, Takehira, M, Yutani, K, Matsuzawa, H, Miyano, M. | | Deposit date: | 2008-08-07 | | Release date: | 2009-07-28 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.07 Å) | | Cite: | Structural Basis of Extend Spectrum Beta-Lactamase in Correlation of Enzymatic Kinetics and Thermal Stability of Acyl-Intermediates
To be Published
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5KMW
 | | TOHO1 Beta lactamase mutant E166A/R274N/R276N -benzyl penicillin complex | | Descriptor: | Beta-lactamase Toho-1, OPEN FORM - PENICILLIN G, PENICILLIN G, ... | | Authors: | Coates, L, Langan, P.S, Vandavasi, V.G, Weiss, K.L, Cooper, J.B, Ginell, S.L. | | Deposit date: | 2016-06-27 | | Release date: | 2017-03-01 | | Last modified: | 2019-12-04 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | TOHO1 Beta lactamase mutant E166A/R274N/R276N -benzyl penicillin complex
to be published
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5G18
 | | Direct Observation of Active-site Protonation States in a Class A beta lactamase with a monobactam substrate | | Descriptor: | 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-oxo-2-{[(2S,3S)-1-oxo-3-(sulfoamino)butan-2-yl]amino}ethylidene]amino}oxy)-2-methylpropanoic acid, BETA-LACTAMASE CTX-M-97, SULFATE ION | | Authors: | Vandavasi, V.G, Weiss, K.L, Parks, J.M, Cooper, J.B, Ginell, S.L, Coates, L. | | Deposit date: | 2016-03-23 | | Release date: | 2016-11-09 | | Last modified: | 2019-10-23 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Active-Site Protonation States in an Acyl-Enzyme Intermediate of a Class A beta-Lactamase with a Monobactam Substrate.
Antimicrob. Agents Chemother., 61, 2017
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6C79
 | | Conformational Changes in a Class A Beta lactamase that Prime it for Catalysis | | Descriptor: | (6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyimino-ethanoyl]amino]-8-oxo-5-thia-1-azabicy clo[4.2.0]oct-2-ene-2-carboxylic acid, Beta-lactamase Toho-1, SULFATE ION | | Authors: | Coates, L, Langan, P.S, Vandavasi, V.G, Cooper, S.J, Weiss, K.L, Ginell, S.L, Parks, J.M. | | Deposit date: | 2018-01-22 | | Release date: | 2018-03-21 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Substrate Binding Induces Conformational Changes in a Class A Beta-lactamase That Prime It for Catalysis
Acs Catalysis, 8, 2018
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2ZQD
 | | Ceftazidime acyl-intermediate structure of class a beta-lact Toho-1 E166A/R274N/R276N triple mutant | | Descriptor: | ACYLATED CEFTAZIDIME, Beta-lactamase Toho-1, SULFATE ION | | Authors: | Nitanai, Y, Shimamura, T, Uchiyama, T, Ishii, Y, Takehira, M, Yutani, K, Matsuzawa, H, Miyano, M. | | Deposit date: | 2008-08-07 | | Release date: | 2009-07-28 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.19 Å) | | Cite: | Structural Basis of Extend Spectrum Beta-Lactamase in Correlation of Enzymatic Kinetics and Thermal Stability of Acyl-Intermediates
To be Published
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5A91
 | | 15K X-ray ligand free: Exploring the Mechanism of beta-Lactam Ring Protonation in the Class A beta-lactamase Acylation Mechanism Using Neutron and X-ray Crystallography | | Descriptor: | Beta-lactamase Toho-1, SULFATE ION | | Authors: | Vandavasi, V.G, Weiss, K.L, Cooper, J.B, Erskine, P.T, Tomanicek, S.J, Ostermann, A, Schrader, T.E, Ginell, S.L, Coates, L. | | Deposit date: | 2015-07-17 | | Release date: | 2015-12-16 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (1.2 Å) | | Cite: | Exploring the Mechanism of Beta-Lactam Ring Protonation in the Class a Beta-Lactamase Acylation Mechanism Using Neutron and X-Ray Crystallography.
J.Med.Chem., 59, 2016
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4BD0
 | | X-ray structure of a perdeuterated Toho-1 R274N R276N double mutant Beta-lactamase in complex with a fully deuterated boronic acid (BZB) | | Descriptor: | BENZO[B]THIOPHENE-2-BORONIC ACID, BETA-LACTAMASE TOHO-1, SULFATE ION | | Authors: | Tomanicek, S.J, Weiss, K.L, Standaert, R.F, Ostermann, A, Schrader, T.E, Ng, J.D, Coates, L. | | Deposit date: | 2012-10-04 | | Release date: | 2013-01-09 | | Last modified: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (1.207 Å) | | Cite: | Neutron and X-Ray Crystal Structures of a Perdeuterated Enzyme Inhibitor Complex Reveal the Catalytic Proton Network of the Toho-1 Beta-Lactamase for the Acylation Reaction.
J.Biol.Chem., 288, 2013
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4X69
 | | Crystal structure of OP0595 complexed with CTX-M-44 | | Descriptor: | (2S,5R)-N-(2-aminoethoxy)-1-formyl-5-[(sulfooxy)amino]piperidine-2-carboxamide, 1,2-ETHANEDIOL, Beta-lactamase Toho-1 | | Authors: | Yamada, M, Watanabe, T. | | Deposit date: | 2014-12-07 | | Release date: | 2015-07-01 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (1.42 Å) | | Cite: | OP0595, a new diazabicyclooctane: mode of action as a serine beta-lactamase inhibitor, antibiotic and beta-lactam 'enhancer'
J.Antimicrob.Chemother., 70, 2015
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5A93
 | | 293K Joint X-ray Neutron with Cefotaxime: EXPLORING THE MECHANISM OF BETA-LACTAM RING PROTONATION IN THE CLASS A BETA-LACTAMASE ACYLATION MECHANISM USING NEUTRON AND X-RAY CRYSTALLOGRAPHY | | Descriptor: | BETA-LACTAMASE CTX-M-97, CEFOTAXIME, C3' cleaved, ... | | Authors: | Vandavasi, V.G, Weiss, K.L, Cooper, J.B, Erskine, P.T, Tomanicek, S.J, Ostermann, A, Schrader, T.E, Ginell, S.L, Coates, L. | | Deposit date: | 2015-07-17 | | Release date: | 2015-12-16 | | Last modified: | 2024-01-10 | | Method: | NEUTRON DIFFRACTION (1.598 Å), X-RAY DIFFRACTION | | Cite: | Exploring the Mechanism of Beta-Lactam Ring Protonation in the Class a Beta-Lactamase Acylation Mechanism Using Neutron and X-Ray Crystallography.
J.Med.Chem., 59, 2016
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1IYS
 | | Crystal Structure of Class A beta-Lactamase Toho-1 | | Descriptor: | BETA-LACTAMASE TOHO-1, SULFATE ION | | Authors: | Ibuka, A.S, Ishii, Y, Yamaguchi, K, Matsuzawa, H, Sakai, H. | | Deposit date: | 2002-09-06 | | Release date: | 2003-10-14 | | Last modified: | 2022-12-21 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Crystal Structure of Extended-Spectrum beta-Lactamase Toho-1: Insights into the Molecular Mechanism for
Catalytic Reaction and Substrate Specificity Expansion
Biochemistry, 42, 2003
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1WE4
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5A90
 | | 100K Neutron Ligand Free: Exploring the Mechanism of beta-Lactam Ring Protonation in the Class A beta-lactamase Acylation Mechanism Using Neutron and X-ray Crystallography | | Descriptor: | BETA-LACTAMASE CTX-M-97 | | Authors: | Vandavasi, V.G, Weiss, K.L, Cooper, J.B, Erskine, P.T, Tomanicek, S.J, Ostermann, A, Schrader, T.E, Ginell, S.L, Coates, L. | | Deposit date: | 2015-07-17 | | Release date: | 2015-12-16 | | Last modified: | 2024-05-08 | | Method: | NEUTRON DIFFRACTION (1.7 Å) | | Cite: | Exploring the Mechanism of Beta-Lactam Ring Protonation in the Class a Beta-Lactamase Acylation Mechanism Using Neutron and X-Ray Crystallography.
J.Med.Chem., 59, 2016
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6C78
 | | Substrate Binding Induces Conformational Changes In A Class A Beta Lactamase That Primes It For Catalysis | | Descriptor: | Beta-lactamase Toho-1 | | Authors: | Langan, P.S, Vandavasi, V.G, Cooper, S.J, Weiss, K.L, Ginell, S.L, Parks, J.M, Coates, L. | | Deposit date: | 2018-01-22 | | Release date: | 2018-03-21 | | Last modified: | 2024-03-13 | | Method: | NEUTRON DIFFRACTION (1.75 Å) | | Cite: | Substrate Binding Induces Conformational Changes in a Class A Beta-lactamase That Prime It for Catalysis
Acs Catalysis, 8, 2018
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1IYO
 | | Toho-1 beta-Lactamase In Complex With Cefotaxime | | Descriptor: | CEFOTAXIME, C3' cleaved, open, ... | | Authors: | Shimamura, T, Ibuka, A, Fushinobu, S, Wakagi, T, Ishiguro, M, Ishii, Y, Matsuzawa, H. | | Deposit date: | 2002-09-04 | | Release date: | 2002-12-11 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Acyl-intermediate Structures of the Extended-spectrum Class A beta -Lactamase, Toho-1, in Complex with Cefotaxime, Cephalothin, and Benzylpenicillin.
J.Biol.Chem., 277, 2002
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1BZA
 | | BETA-LACTAMASE TOHO-1 FROM ESCHERICHIA COLI TUH12191 | | Descriptor: | BETA-LACTAMASE, SULFATE ION | | Authors: | Ibuka, A, Taguchi, A, Ishiguro, M, Fushinobu, S, Ishii, Y, Kamitori, S, Okuyama, K, Yamaguchi, K, Konno, M, Matsuzawa, H. | | Deposit date: | 1998-10-28 | | Release date: | 1999-04-27 | | Last modified: | 2024-05-22 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Crystal structure of the E166A mutant of extended-spectrum beta-lactamase Toho-1 at 1.8 A resolution.
J.Mol.Biol., 285, 1999
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6U58
 | | Toho1 Beta Lactamase Glu166Gln Mutant | | Descriptor: | Beta-lactamase, SULFATE ION | | Authors: | Langan, P.S, Sullivan, B, Weiss, K.L. | | Deposit date: | 2019-08-27 | | Release date: | 2020-02-19 | | Last modified: | 2024-04-03 | | Method: | NEUTRON DIFFRACTION (1.9 Å), X-RAY DIFFRACTION | | Cite: | Probing the Role of the Conserved Residue Glu166 in a Class A Beta-Lactamase Using Neutron and X-ray Protein Crystallography
Acta Crystallogr.,Sect.D, 76, 2020
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1IYP
 | | Toho-1 beta-Lactamase In Complex With Cephalothin | | Descriptor: | CEPHALOTHIN GROUP, SULFATE ION, Toho-1 beta-lactamase | | Authors: | Shimamura, T, Ibuka, A, Fushinobu, S, Wakagi, T, Ishiguro, M, Ishii, Y, Matsuzawa, H. | | Deposit date: | 2002-09-04 | | Release date: | 2002-12-11 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Acyl-intermediate Structures of the Extended-spectrum Class A beta -Lactamase, Toho-1, in Complex with Cefotaxime, Cephalothin, and Benzylpenicillin.
J.Biol.Chem., 277, 2002
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4BD1
 | | Neutron structure of a perdeuterated Toho-1 R274N R276N double mutant Beta-lactamase in complex with a fully deuterated boronic acid (BZB) | | Descriptor: | BENZO[B]THIOPHENE-2-BORONIC ACID, TOHO-1 BETA-LACTAMASE | | Authors: | Tomanicek, S.J, Weiss, K.L, Standaert, R.F, Ostermann, A, Schrader, T.E, Ng, J.D, Coates, L. | | Deposit date: | 2012-10-04 | | Release date: | 2013-01-16 | | Last modified: | 2017-03-22 | | Method: | NEUTRON DIFFRACTION (2.002 Å) | | Cite: | Neutron and X-Ray Crystal Structures of a Perdeuterated Enzyme Inhibitor Complex Reveal the Catalytic Proton Network of the Toho-1 Beta-Lactamase for the Acylation Reaction.
J.Biol.Chem., 288, 2013
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5KSC
 | | E166A/R274N/R276N Toho-1 Beta-lactamase aztreonam acyl-enzyme intermediate | | Descriptor: | 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-oxo-2-{[(2S,3S)-1-oxo-3-(sulfoamino)butan-2-yl]amino}ethylidene]amino}oxy)-2-methylpropanoic acid, Beta-lactamase Toho-1 | | Authors: | Vandavasi, V.G, Langan, P.S, Weiss, K, Parks, J.M, Cooper, J.B, Ginell, S.L, Coates, L. | | Deposit date: | 2016-07-08 | | Release date: | 2016-11-09 | | Last modified: | 2019-12-04 | | Method: | NEUTRON DIFFRACTION (2.1 Å) | | Cite: | Active-Site Protonation States in an Acyl-Enzyme Intermediate of a Class A beta-Lactamase with a Monobactam Substrate.
Antimicrob. Agents Chemother., 61, 2017
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