2CLL
 
 | | Tryptophan Synthase (external aldimine state) in complex with N-(4'- trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9) | | Descriptor: | 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, SODIUM ION, TRYPTOPHAN SYNTHASE ALPHA CHAIN, ... | | Authors: | Ngo, H, Kimmich, N, Harris, R, Niks, D, Blumenstein, L, Kulik, V, Barends, T.R, Schlichting, I, Dunn, M.F. | | Deposit date: | 2006-04-28 | | Release date: | 2007-06-12 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | Allosteric Regulation of Substrate Channeling in Tryptophan Synthase: Modulation of the L-Serine Reaction in Stage I of the Beta-Reaction by Alpha-Site Ligands.
Biochemistry, 46, 2007
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7JMQ
 | | The external aldimine form of the mutant beta-S377A Salmonella thypi tryptophan synthase in open conformation showing dual side chain conformations for the residue beta-Q114, sodium ion at the metal coordination site, and F9 inhibitor at the alpha-site. One of the beta-Q114 rotamer conformations allows a hydrogen bond to form with the PLP oxygen at the position 3 in the ring | | Descriptor: | (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine, 1,2-ETHANEDIOL, 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, ... | | Authors: | Hilario, E, Dunn, M.F, Mueller, L.J. | | Deposit date: | 2020-08-02 | | Release date: | 2021-08-04 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | The external aldimine form of mutant beta-S377A Salmonella thypi tryptophan synthase in open conformation showing dual side chain conformations for the residue beta-Q114, sodium ion at the metal coordination site, and F9 inhibitor at the alpha-site. One of the beta-Q114 rotamer conformations allows a hydrogen bond to form with the PLP oxygen at the position 3 in the ring.
To be Published
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7L03
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7L4D
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7LX1
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6DZO
 | | Crystal structure of Salmonella typhimurium Tryptophan Synthase mutant beta-Q114A with 2-({[4-(trifluoromethoxy)phenyl]sulfonyl}amino)ethyl dihydrogen phosphate (F9F) at the alpha-site, Cesium ion at the metal coordination site, and (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine at the beta-site | | Descriptor: | (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine, 1,2-ETHANEDIOL, 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, ... | | Authors: | Hilario, E, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2018-07-05 | | Release date: | 2019-07-10 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.64 Å) | | Cite: | Crystal structure of Salmonella typhimurium Tryptophan Synthase mutant beta-Q114A with 2-({[4-(trifluoromethoxy)phenyl]sulfonyl}amino)ethyl dihydrogen phosphate (F9F) at the alpha-site, Cesium ion at the metal coordination site, and (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine at the beta-site
To be Published
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4HN4
 | | Tryptophan synthase in complex with alpha aminoacrylate E(A-A) form and the F9 inhibitor in the alpha site | | Descriptor: | 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid, BICINE, ... | | Authors: | Hilario, E, Niks, D, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2012-10-18 | | Release date: | 2013-12-25 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.64 Å) | | Cite: | Allostery and substrate channeling in the tryptophan synthase bienzyme complex: evidence for two subunit conformations and four quaternary states.
Biochemistry, 52, 2013
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7JTT
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6XOY
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6O1H
 | | Tryptophan synthase Q114A mutant in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, cesium ion at the metal coordination site, and 2-aminophenol quinonoid at the enzyme beta site | | Descriptor: | (2E)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]-3-[(2-hydroxyphenyl)amino]propanoic acid, 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, CESIUM ION, ... | | Authors: | Hilario, E, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2019-02-19 | | Release date: | 2020-02-19 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.64 Å) | | Cite: | Crystal structure of Salmonella typhimurium Tryptophan Synthase mutant beta-Q114A with 2-({[4-(trifluoromethoxy)phenyl]sulfonyl}amino)ethyl dihydrogen phosphate (F9F) at the alpha-site, Cesium ion at the metal coordination site, and [3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-serine (PLS) at the beta-site.
To be Published
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6D0V
 | | Tryptophan synthase Q114A mutant in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, aminoacrylate at the beta site, and cesium ion at the metal coordination site | | Descriptor: | 1,2-ETHANEDIOL, 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid, ... | | Authors: | Hilario, E, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2018-04-11 | | Release date: | 2019-04-17 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.64 Å) | | Cite: | Tryptophan synthase Q114A mutant in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, aminoacrylate at the beta site, and cesium ion at the metal coordination site.
To be Published
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7JHW
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4HPX
 | | Crystal structure of Tryptophan Synthase at 1.65 A resolution in complex with alpha aminoacrylate E(A-A) and benzimidazole in the beta site and the F9 inhibitor in the alpha site | | Descriptor: | 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid, BENZIMIDAZOLE, ... | | Authors: | Hilario, E, Niks, D, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2012-10-24 | | Release date: | 2013-12-18 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Allostery and substrate channeling in the tryptophan synthase bienzyme complex: evidence for two subunit conformations and four quaternary states.
Biochemistry, 52, 2013
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4XUG
 | | Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with 2-({[4-(Trifluoromethoxy)Phenyl]Sulfonyl}Amino)Ethyl Dihydrogen Phosphate (F9F) inhibitor in the alpha site and ammonium ion in the metal coordination site. | | Descriptor: | 1,2-ETHANEDIOL, 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, AMMONIUM ION, ... | | Authors: | Hilario, E, Caulkins, B.G, Young, R.P, Niks, D, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2015-01-25 | | Release date: | 2016-01-27 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with 2-({[4-(Trifluoromethoxy)Phenyl]Sulfonyl}Amino)Ethyl Dihydrogen Phosphate (F9F) inhibitor in the alpha site and ammonium ion in the metal coordination site.
To Be Published
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6C73
 | | Tryptophan synthase Q114A mutant (internal aldimine state) in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) with cesium ion bound in the metal coordination site | | Descriptor: | 1,2-ETHANEDIOL, 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, CESIUM ION, ... | | Authors: | Hilario, E, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2018-01-19 | | Release date: | 2019-01-23 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Tryptophan synthase Q114A mutant (internal aldimine state) in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) with cesium ion bound in the metal coordination site.
To be Published
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4Y6G
 | | Crystal structure of Tryptophan Synthase from Salmonella typhimurium in complex with N-(4'-trifluoromethoxybenzoyl)-2-amino-1-ethylphosphate (F6F) inhibitor in the alpha-site and beta-site. | | Descriptor: | 2-{[4-(TRIFLUOROMETHOXY)BENZOYL]AMINO}ETHYL DIHYDROGEN PHOSPHATE, PYRIDOXAL-5'-PHOSPHATE, SODIUM ION, ... | | Authors: | Hilario, E, Caulkins, B.G, Young, R.P, Dunn, M.F, Mueller, L.J, Fan, L. | | Deposit date: | 2015-02-13 | | Release date: | 2016-02-10 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Visualizing the tunnel in tryptophan synthase with crystallography: Insights into a selective filter for accommodating indole and rejecting water.
Biochim.Biophys.Acta, 1864, 2016
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7LEV
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2RH9
 | | Tryptophan synthase complexed with IGP, internal aldimine, pH 9.0 | | Descriptor: | INDOLE-3-GLYCEROL PHOSPHATE, PYRIDOXAL-5'-PHOSPHATE, SODIUM ION, ... | | Authors: | Kulik, V, Barends, T.R.M, Schlichting, I. | | Deposit date: | 2007-10-08 | | Release date: | 2007-11-06 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Tryptophan synthase complexed with IGP, internal aldimine, pH 9.0.
To be Published
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7JQW
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1K8Z
 | | CRYSTAL STRUCTURE OF THE TRYPTOPHAN SYNTHASE BETA-SER178PRO MUTANT COMPLEXED WITH N-[1H-INDOL-3-YL-ACETYL]GLYCINE ACID | | Descriptor: | N-[1H-INDOL-3-YL-ACETYL]GLYCINE ACID, PYRIDOXAL-5'-PHOSPHATE, SODIUM ION, ... | | Authors: | Weyand, M, Schlichting, I, Marabotti, A, Mozzarelli, A. | | Deposit date: | 2001-10-26 | | Release date: | 2002-06-19 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Crystal structure of the beta Ser178--> Pro mutant of tryptophan synthase. A "knock-out" allosteric enzyme.
J.Biol.Chem., 277, 2002
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1K7X
 | | CRYSTAL STRUCTURE OF THE BETA-SER178PRO MUTANT OF TRYPTOPHAN SYNTHASE | | Descriptor: | PYRIDOXAL-5'-PHOSPHATE, SODIUM ION, TRYPTOPHAN SYNTHASE ALPHA CHAIN, ... | | Authors: | Weyand, M, Schlichting, I, Marabotti, A, Mozzarelli, A. | | Deposit date: | 2001-10-22 | | Release date: | 2002-06-19 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Crystal structure of the beta Ser178--> Pro mutant of tryptophan synthase. A "knock-out" allosteric enzyme.
J.Biol.Chem., 277, 2002
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1K3U
 | | CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH N-[1H-INDOL-3-YL-ACETYL]ASPARTIC ACID | | Descriptor: | N-[1H-INDOL-3-YL-ACETYL]ASPARTIC ACID, PYRIDOXAL-5'-PHOSPHATE, SODIUM ION, ... | | Authors: | Weyand, M, Schlichting, I, Marabotti, A, Mozzarelli, A. | | Deposit date: | 2001-10-04 | | Release date: | 2002-07-03 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Crystal structures of a new class of allosteric effectors complexed to tryptophan synthase.
J.Biol.Chem., 277, 2002
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7MT6
 | | Crystal structure of tryptophan synthase in complex with F9, Cs+, benzimidazole, pH7.8 - alpha aminoacrylate form - E(A-A)(BZI) | | Descriptor: | 2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATE, 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid, BENZIMIDAZOLE, ... | | Authors: | Drago, V, Hilario, E, Dunn, M.F, Mueser, T.C, Mueller, L.J. | | Deposit date: | 2021-05-12 | | Release date: | 2021-12-29 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Imaging active site chemistry and protonation states: NMR crystallography of the tryptophan synthase alpha-aminoacrylate intermediate.
Proc.Natl.Acad.Sci.USA, 119, 2022
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6VFD
 | | Tryptophan synthase mutant Q114A in complex with cesium ion at the metal coordination site and 2-aminophenol quinonoid at the enzyme beta site | | Descriptor: | (2E)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]-3-[(2-hydroxyphenyl)amino]propanoic acid, 1,2-ETHANEDIOL, CESIUM ION, ... | | Authors: | Hilario, E, Fan, L, Dunn, M.F, Mueller, L.J. | | Deposit date: | 2020-01-03 | | Release date: | 2020-08-05 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Tryptophan synthase mutant Q114A in complex with cesium ion at the metal coordination site and 2-aminophenol quinonoid at the enzyme beta site.
To be Published
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2CLF
 | | Tryptophan Synthase in complex with N-(4'-trifluoromethoxybenzoyl)-2- amino-1-ethylphosphate (F6) - highF6 complex | | Descriptor: | 2-{[4-(TRIFLUOROMETHOXY)BENZOYL]AMINO}ETHYL DIHYDROGEN PHOSPHATE, PYRIDOXAL-5'-PHOSPHATE, SODIUM ION, ... | | Authors: | Ngo, H, Harris, R, Kimmich, N, Casino, P, Niks, D, Blumenstein, L, Barends, T.R, Kulik, V, Weyand, M, Schlichting, I, Dunn, M.F. | | Deposit date: | 2006-04-27 | | Release date: | 2007-06-26 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Synthesis and Characterization of Allosteric Probes of Substrate Channeling in the Tryptophan Synthase Bienzyme Complex.
Biochemistry, 46, 2007
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