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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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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1IYQ
 | | Toho-1 beta-Lactamase In Complex With Benzylpenicillin | | Descriptor: | OPEN FORM - PENICILLIN G, 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 (2.1 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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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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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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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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2XQZ
 | | Neutron structure of the perdeuterated Toho-1 R274N R276N double mutant beta-lactamase | | Descriptor: | BETA-LACTAMSE TOHO-1 | | Authors: | Tomanicek, S.J, Wang, K.K, Weiss, K.L, Blakeley, M.P, Cooper, J, Chen, Y, Coates, L. | | Deposit date: | 2010-09-08 | | Release date: | 2010-12-22 | | Last modified: | 2024-05-08 | | Method: | NEUTRON DIFFRACTION (2.1 Å) | | Cite: | The Active Site Protonation States of Perdeuterated Toho-1 Beta-Lactamase Determined by Neutron Diffraction Support a Role for Glu166 as the General Base in Acylation.
FEBS Lett., 585, 2011
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2XR0
 | | Room temperature X-ray structure of the perdeuterated Toho-1 R274N R276N double mutant beta-lactamase | | Descriptor: | SULFATE ION, TOHO-1 BETA-LACTAMASE | | Authors: | Tomanicek, S.J, Wang, K.K, Weiss, K.L, Blakeley, M.P, Cooper, J, Chen, Y, Coates, L. | | Deposit date: | 2010-09-08 | | Release date: | 2010-12-22 | | Last modified: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | The Active Site Protonation States of Perdeuterated Toho-1 Beta-Lactamase Determined by Neutron Diffraction Support a Role for Glu166 as the General Base in Acylation.
FEBS Lett., 585, 2011
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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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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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3BFF
 | | class A beta-lactamase SED-G238C complexed with faropenem | | Descriptor: | (2R)-2-[(1S,2R)-1-carboxy-2-hydroxypropyl]-5-[(2R)-oxolan-2-yl]-2,3-dihydro-1,3-thiazole-4-carboxylic acid, (5R,6S)-6-(1-hydroxyethyl)-7-oxo-3-[(2R)-oxolan-2-yl]-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, Class A beta-lactamase Sed1, ... | | Authors: | Pernot, L, Petrella, S, Sougakoff, W. | | Deposit date: | 2007-11-21 | | Release date: | 2007-12-18 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | acyl-intermediate structures of the class A beta-lactamase SED-G238C
To be Published
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3BFC
 | | class A beta-lactamase SED-G238C complexed with imipenem | | Descriptor: | (5R)-5-[(1S,2R)-1-formyl-2-hydroxypropyl]-3-[(2-{[(E)-iminomethyl]amino}ethyl)sulfanyl]-4,5-dihydro-1H-pyrrole-2-carbox ylic acid, Class A beta-lactamase Sed1 | | Authors: | Pernot, L, Petrella, S, Sougakoff, W. | | Deposit date: | 2007-11-21 | | Release date: | 2007-12-18 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Acyl-intermediate structures of the class A beta-lactamase SED-G238C
To be Published
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3BFG
 | | class A beta-lactamase SED-G238C complexed with meropenem | | Descriptor: | (4R,5S)-3-{[(3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl]sulfanyl}-5-[(2S,3R)-3-hydroxy-1-oxobutan-2-yl]-4-methyl-4,5-d ihydro-1H-pyrrole-2-carboxylic acid, Class A beta-lactamase Sed1 | | Authors: | Pernot, L, Petrella, S, Sougakoff, W. | | Deposit date: | 2007-11-21 | | Release date: | 2007-12-18 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | acyl-intermediate structures of the class A beta-lactamase SED-G238C
To be Published
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3BFE
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3BFD
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