8ELA
 
 | | CTX-M-14 beta-lactamase mutant - N132A w MES | | Descriptor: | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID, Beta-lactamase, CHLORIDE ION, ... | | Authors: | Lu, S, Palzkill, T, Hu, L, Prasad, B.V.V. | | Deposit date: | 2022-09-23 | | Release date: | 2023-04-05 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | Mutagenesis and structural analysis reveal the CTX-M beta-lactamase active site is optimized for cephalosporin catalysis and drug resistance.
J.Biol.Chem., 299, 2023
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8ELB
 | | CTX-M-14 beta-lactamase mutant- N132A | | Descriptor: | Beta-lactamase, DI(HYDROXYETHYL)ETHER | | Authors: | Lu, S, Neetu, N, Palzkill, T. | | Deposit date: | 2022-09-23 | | Release date: | 2023-04-05 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | Mutagenesis and structural analysis reveal the CTX-M beta-lactamase active site is optimized for cephalosporin catalysis and drug resistance.
J.Biol.Chem., 299, 2023
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4RVA
 | | A triple mutant in the omega-loop of TEM-1 beta-lactamase changes the substrate profile via a large conformational change and an altered general base for deacylation | | Descriptor: | BICARBONATE ION, Beta-lactamase TEM | | Authors: | Stojanoski, V, Chow, D.-C, Hu, L, Sankaran, B, Gilbert, H, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2014-11-25 | | Release date: | 2015-03-04 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.4397 Å) | | Cite: | A Triple Mutant in the Omega-loop of TEM-1 beta-Lactamase Changes the Substrate Profile via a Large Conformational Change and an Altered General Base for Catalysis.
J.Biol.Chem., 290, 2015
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4RX3
 | | A triple mutant in the omega-loop of TEM-1 beta-lactamase changes the substrate profile via a large conformational change and an altered general base for catalysis | | Descriptor: | Beta-lactamase TEM, CITRATE ANION | | Authors: | Stojanoski, V, Chow, D, Hu, L, Sankaran, B, Gilbert, H, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2014-12-08 | | Release date: | 2015-03-04 | | Last modified: | 2024-10-16 | | Method: | X-RAY DIFFRACTION (1.39 Å) | | Cite: | A Triple Mutant in the Omega-loop of TEM-1 beta-Lactamase Changes the Substrate Profile via a Large Conformational Change and an Altered General Base for Catalysis.
J.Biol.Chem., 290, 2015
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4RX2
 | | A triple mutant in the omega-loop of TEM-1 beta-lactamase changes the substrate profile via a large conformational change and an altered general base for catalysis | | Descriptor: | Beta-lactamase TEM, SULFATE ION | | Authors: | Stojanoski, V, Chow, D, Hu, L, Sankaran, B, Gilbert, H, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2014-12-08 | | Release date: | 2015-03-04 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (2.315 Å) | | Cite: | A Triple Mutant in the Omega-loop of TEM-1 beta-Lactamase Changes the Substrate Profile via a Large Conformational Change and an Altered General Base for Catalysis.
J.Biol.Chem., 290, 2015
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5TWE
 | | CTX-M-14 P167S:S70G mutant enzyme crystallized with ceftazidime | | Descriptor: | ACYLATED CEFTAZIDIME, Beta-lactamase | | Authors: | Patel, M, Stojanoski, V, Sankaran, B, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2016-11-12 | | Release date: | 2017-06-28 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | The Drug-Resistant Variant P167S Expands the Substrate Profile of CTX-M beta-Lactamases for Oxyimino-Cephalosporin Antibiotics by Enlarging the Active Site upon Acylation.
Biochemistry, 56, 2017
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8SJ3
 | | Beta-lactamase CTX-M-14 E166Y/N170G | | Descriptor: | Beta-lactamase CTX-M-14 | | Authors: | Judge, A, Palzkill, T, Sankaran, B, Prasad, B.V.V, Hu, L. | | Deposit date: | 2023-04-17 | | Release date: | 2024-02-21 | | Last modified: | 2024-09-04 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | Network of epistatic interactions in an enzyme active site revealed by large-scale deep mutational scanning.
Proc.Natl.Acad.Sci.USA, 121, 2024
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6CYQ
 | | Crystal structure of CTX-M-14 S70G/N106S beta-lactamase in complex with hydrolyzed cefotaxime | | Descriptor: | (2R)-2-[(R)-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}(carboxy)methyl]-5-methylidene-5,6-dihydro -2H-1,3-thiazine-4-carboxylic acid, Beta-lactamase, GLYCEROL | | Authors: | Patel, M.P, Hu, L, Sankaran, B, Brown, C, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2018-04-06 | | Release date: | 2018-10-10 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.698 Å) | | Cite: | Synergistic effects of functionally distinct substitutions in beta-lactamase variants shed light on the evolution of bacterial drug resistance.
J. Biol. Chem., 293, 2018
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8SQF
 | | OXA-48 bound to inhibitor CDD-2725 | | Descriptor: | (1M)-3'-(benzyloxy)-5-hydroxy[1,1'-biphenyl]-3,4'-dicarboxylic acid, BICARBONATE ION, Beta-lactamase | | Authors: | Park, S, Judge, A, Fan, J, Sankaran, B, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2023-05-04 | | Release date: | 2024-01-03 | | Last modified: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Exploiting the Carboxylate-Binding Pocket of beta-Lactamase Enzymes Using a Focused DNA-Encoded Chemical Library.
J.Med.Chem., 67, 2024
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8SQG
 | | OXA-48 bound to inhibitor CDD-2801 | | Descriptor: | (1M)-3'-(benzyloxy)-5-[2-(methylamino)-2-oxoethoxy][1,1'-biphenyl]-3,4'-dicarboxylic acid, BICARBONATE ION, Beta-lactamase | | Authors: | Park, S, Judge, A, Fan, J, Sankaran, B, Palzkill, T. | | Deposit date: | 2023-05-04 | | Release date: | 2024-01-03 | | Last modified: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (2.03 Å) | | Cite: | Exploiting the Carboxylate-Binding Pocket of beta-Lactamase Enzymes Using a Focused DNA-Encoded Chemical Library.
J.Med.Chem., 67, 2024
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6CYN
 | | CTX-M-14 N106S/D240G mutant | | Descriptor: | Beta-lactamase | | Authors: | Patel, M.P, Hu, L, Sankaran, B, Brown, C, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2018-04-06 | | Release date: | 2018-10-10 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | Synergistic effects of functionally distinct substitutions in beta-lactamase variants shed light on the evolution of bacterial drug resistance.
J. Biol. Chem., 293, 2018
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6CYK
 | | CTX-M-14 N106S mutant | | Descriptor: | ACETATE ION, Beta-lactamase | | Authors: | Patel, M.P, Hu, L, Sankaran, B, Brown, C, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2018-04-06 | | Release date: | 2018-10-10 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Synergistic effects of functionally distinct substitutions in beta-lactamase variants shed light on the evolution of bacterial drug resistance.
J. Biol. Chem., 293, 2018
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5TWD
 | | CTX-M-14 P167S apoenzyme | | Descriptor: | Beta-lactamase | | Authors: | Patel, M, Stojanoski, V, Sankaran, B, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2016-11-12 | | Release date: | 2017-06-28 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | The Drug-Resistant Variant P167S Expands the Substrate Profile of CTX-M beta-Lactamases for Oxyimino-Cephalosporin Antibiotics by Enlarging the Active Site upon Acylation.
Biochemistry, 56, 2017
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6CYU
 | | Crystal structure of CTX-M-14 S70G/N106S/D240G beta-lactamase in complex with hydrolyzed cefotaxime | | Descriptor: | (2R)-2-[(R)-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}(carboxy)methyl]-5-methylidene-5,6-dihydro -2H-1,3-thiazine-4-carboxylic acid, Beta-lactamase | | Authors: | Patel, M.P, Hu, L, Sankaran, B, Brown, C, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2018-04-06 | | Release date: | 2018-10-10 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.82 Å) | | Cite: | Synergistic effects of functionally distinct substitutions in beta-lactamase variants shed light on the evolution of bacterial drug resistance.
J. Biol. Chem., 293, 2018
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8TMT
 | | Crystal structure of KPC-44 carbapenemase in complex with vaborbactam | | Descriptor: | 1,2-ETHANEDIOL, GLYCEROL, LITHIUM ION, ... | | Authors: | Sun, Z, Palzkill, T, Hu, L, Neetu, N, Lin, H, Sankaran, B, Wang, J, Prasad, B. | | Deposit date: | 2023-07-30 | | Release date: | 2023-12-06 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Klebsiella pneumoniae carbapenemase variant 44 acquires ceftazidime-avibactam resistance by altering the conformation of active-site loops.
J.Biol.Chem., 300, 2023
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8TJM
 | | Crystal structure of KPC-44 carbapenemase | | Descriptor: | 1,2-ETHANEDIOL, SULFATE ION, beta-lactamase | | Authors: | Sun, Z, Palzkill, T, Hu, L, Lin, H, Sankaran, B, Wang, J, Prasad, B. | | Deposit date: | 2023-07-23 | | Release date: | 2023-12-06 | | Last modified: | 2024-10-23 | | Method: | X-RAY DIFFRACTION (1.28 Å) | | Cite: | Klebsiella pneumoniae carbapenemase variant 44 acquires ceftazidime-avibactam resistance by altering the conformation of active-site loops.
J.Biol.Chem., 300, 2023
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8TMR
 | | Crystal structure of KPC-44 carbapenemase complexed with avibactam | | Descriptor: | (2S,5R)-1-formyl-5-[(sulfooxy)amino]piperidine-2-carboxamide, 1,2-ETHANEDIOL, PHOSPHATE ION, ... | | Authors: | Sun, Z, Palzkill, T, Hu, L, Lin, H, Sankaran, B, Wang, J, Prasad, B. | | Deposit date: | 2023-07-30 | | Release date: | 2023-12-06 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.37 Å) | | Cite: | Klebsiella pneumoniae carbapenemase variant 44 acquires ceftazidime-avibactam resistance by altering the conformation of active-site loops.
J.Biol.Chem., 300, 2023
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8TN0
 | | Crystal structure of KPC-44 carbapenemase w/o cryoprotectant | | Descriptor: | SULFATE ION, beta-lactamase | | Authors: | Sun, Z, Palzkill, T, Hu, L, Lin, H, Sankaran, B, Wang, J, Prasad, B. | | Deposit date: | 2023-07-31 | | Release date: | 2023-12-06 | | Last modified: | 2024-10-23 | | Method: | X-RAY DIFFRACTION (1.31 Å) | | Cite: | Klebsiella pneumoniae carbapenemase variant 44 acquires ceftazidime-avibactam resistance by altering the conformation of active-site loops.
J.Biol.Chem., 300, 2023
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5TW6
 | | CTX-M-14 P167S:E166A mutant with acylated ceftazidime molecule | | Descriptor: | 1,2-ETHANEDIOL, ACYLATED CEFTAZIDIME, Beta-lactamase | | Authors: | Patel, M, Stojanoski, V, Sankaran, B, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2016-11-11 | | Release date: | 2017-06-28 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | The Drug-Resistant Variant P167S Expands the Substrate Profile of CTX-M beta-Lactamases for Oxyimino-Cephalosporin Antibiotics by Enlarging the Active Site upon Acylation.
Biochemistry, 56, 2017
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5U53
 | | CTX-M-14 E166A with acylated ceftazidime molecule | | Descriptor: | ACYLATED CEFTAZIDIME, Beta-lactamase, NITRATE ION | | Authors: | Patel, M, Stojanoski, V, Sankaran, B, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2016-12-06 | | Release date: | 2017-06-28 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.4 Å) | | Cite: | The Drug-Resistant Variant P167S Expands the Substrate Profile of CTX-M beta-Lactamases for Oxyimino-Cephalosporin Antibiotics by Enlarging the Active Site upon Acylation.
Biochemistry, 56, 2017
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5VTH
 | | CTX-M-14 P167S:E166A mutant | | Descriptor: | Beta-lactamase | | Authors: | Hu, L, Patel, M, Sankaran, B, Prasad, B.V.V, Palzkill, T. | | Deposit date: | 2017-05-17 | | Release date: | 2017-06-28 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | The Drug-Resistant Variant P167S Expands the Substrate Profile of CTX-M beta-Lactamases for Oxyimino-Cephalosporin Antibiotics by Enlarging the Active Site upon Acylation.
Biochemistry, 56, 2017
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4IMZ
 | | Structural Basis of Substrate Specificity and Protease Inhibition in Norwalk Virus | | Descriptor: | Genome polyprotein, SODIUM ION, THIOCYANATE ION, ... | | Authors: | Prasad, B.V.V, Muhaxhiri, Z, Deng, L, Shanker, S, Sankaran, B, Estes, M.K, Palzkill, T, Song, Y. | | Deposit date: | 2013-01-03 | | Release date: | 2013-02-20 | | Last modified: | 2013-04-10 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Structural basis of substrate specificity and protease inhibition in norwalk virus.
J.Virol., 87, 2013
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4IN1
 | | Structural Basis of Substrate Specificity and Protease Inhibition in Norwalk Virus | | Descriptor: | 3C-like protease, SULFATE ION | | Authors: | Prasad, B.V.V, Muhaxhiri, Z, Deng, L, Shanker, S, Sankaran, B, Estes, M.K, Palzkill, T, Song, Y. | | Deposit date: | 2013-01-03 | | Release date: | 2013-02-20 | | Last modified: | 2020-01-29 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | Structural basis of substrate specificity and protease inhibition in norwalk virus.
J.Virol., 87, 2013
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4IMQ
 | | Structural Basis of Substrate Specificity and Protease Inhibition in Norwalk Virus | | Descriptor: | 3C-like protease, PEPTIDE INHIBITOR, syc8, ... | | Authors: | Prasad, B.V.V, Muhaxhiri, Z, Deng, L, Shanker, S, Sankaran, B, Estes, M.K, Palzkill, T, Song, Y. | | Deposit date: | 2013-01-03 | | Release date: | 2013-02-20 | | Last modified: | 2024-10-16 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | Structural basis of substrate specificity and protease inhibition in norwalk virus.
J.Virol., 87, 2013
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4IN2
 | | Structural Basis of Substrate Specificity and Protease Inhibition in Norwalk Virus | | Descriptor: | C-like protease | | Authors: | Prasad, B.V.V, Muhaxhiri, Z, Deng, L, Shanker, S, Sankaran, B, Estes, M.K, Palzkill, T, Song, Y. | | Deposit date: | 2013-01-03 | | Release date: | 2013-02-20 | | Last modified: | 2013-04-10 | | Method: | X-RAY DIFFRACTION (2.401 Å) | | Cite: | Structural basis of substrate specificity and protease inhibition in norwalk virus.
J.Virol., 87, 2013
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