6UFE
 
 | | The structure of a potassium selective ion channel at atomic resolution | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, POTASSIUM ION, Transporter | | Authors: | Langan, P.S, Vandavasi, V.G, Sullivan, B, Afonine, P.V, Weiss, K.L. | | Deposit date: | 2019-09-24 | | Release date: | 2020-08-05 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.2 Å) | | Cite: | The structure of a potassium-selective ion channel reveals a hydrophobic gate regulating ion permeation.
Iucrj, 7, 2020
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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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6DZ1
 | | Studies of Ion Transport in K+ Channels | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, POTASSIUM ION, Potassium channel protein | | Authors: | Langan, P.S, Vandavasi, V.G, Weiss, K.L, Wagner, A, Duman, R, El Omari, K, Afonine, P.V, Coates, L. | | Deposit date: | 2018-07-02 | | Release date: | 2018-11-14 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (2.26 Å) | | Cite: | Anomalous X-ray diffraction studies of ion transport in K+channels.
Nat Commun, 9, 2018
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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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4HKL
 | | Crystal Structures of Mutant Endo-beta-1,4-xylanase II Complexed with substrate (1.15 A) and Products (1.6 A) | | Descriptor: | Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Langan, P, Wan, Q, Coates, L, Kovalevsky, A. | | Deposit date: | 2012-10-15 | | Release date: | 2014-01-08 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | X-ray crystallographic studies of family 11 xylanase Michaelis and product complexes: implications for the catalytic mechanism.
Acta Crystallogr.,Sect.D, 70, 2014
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4HKO
 | | Crystal Structures of Mutant Endo-beta-1,4-xylanase II (E177Q) in the apo form | | Descriptor: | Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Langan, P, Wan, Q, Coates, L, Kovalevsky, A. | | Deposit date: | 2012-10-15 | | Release date: | 2014-01-08 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | X-ray crystallographic studies of family 11 xylanase Michaelis and product complexes: implications for the catalytic mechanism.
Acta Crystallogr.,Sect.D, 70, 2014
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4HK8
 | | Crystal Structures of Mutant Endo- -1,4-xylanase II Complexed with substrate (1.15 A) and Products (1.6 A) | | Descriptor: | CITRIC ACID, Endo-1,4-beta-xylanase 2, GLYCEROL, ... | | Authors: | Langan, P, Wan, Q, Coates, L, Kovalevsky, A. | | Deposit date: | 2012-10-15 | | Release date: | 2014-01-08 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.151 Å) | | Cite: | X-ray crystallographic studies of family 11 xylanase Michaelis and product complexes: implications for the catalytic mechanism.
Acta Crystallogr.,Sect.D, 70, 2014
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4HK9
 | | Crystal Structures of Mutant Endo-beta-1,4-xylanase II Complexed with substrate (1.15 A) and Products (1.6 A) | | Descriptor: | Endo-1,4-beta-xylanase 2, beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose | | Authors: | Langan, P, Wan, Q, Coates, L, Kovalevsky, A. | | Deposit date: | 2012-10-15 | | Release date: | 2014-01-08 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (1.55 Å) | | Cite: | X-ray crystallographic studies of family 11 xylanase Michaelis and product complexes: implications for the catalytic mechanism.
Acta Crystallogr.,Sect.D, 70, 2014
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2PKY
 | | The Effect of Deuteration on Protein Structure A High Resolution Comparison of Hydrogenous and Perdeuterated Haloalkane Dehalogenase | | Descriptor: | Haloalkane dehalogenase | | Authors: | Liu, X, Hanson, L, Langan, P, Viola, R.E. | | Deposit date: | 2007-04-18 | | Release date: | 2007-09-04 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.55 Å) | | Cite: | The effect of deuteration on protein structure: a high-resolution comparison of hydrogenous and perdeuterated haloalkane dehalogenase.
Acta Crystallogr.,Sect.D, 63, 2007
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5C6E
 | | Joint X-ray/neutron structure of equine cyanomet hemoglobin in R state | | Descriptor: | CYANIDE ION, Hemoglobin subunit alpha, Hemoglobin subunit beta, ... | | Authors: | Dajnowicz, S, Sean, S, Hanson, B.L, Fisher, S.Z, Langan, P, Kovalevsky, A.Y, Mueser, T.C. | | Deposit date: | 2015-06-22 | | Release date: | 2016-06-22 | | Last modified: | 2024-03-06 | | Method: | NEUTRON DIFFRACTION (1.7 Å), X-RAY DIFFRACTION | | Cite: | Visualizing the Bohr effect in hemoglobin: neutron structure of equine cyanomethemoglobin in the R state and comparison with human deoxyhemoglobin in the T state.
Acta Crystallogr D Struct Biol, 72, 2016
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2YXP
 | | The Effect of Deuteration on Protein Structure A High Resolution Comparison of Hydrogenous and Perdeuterated Haloalkane Dehalogenase | | Descriptor: | Haloalkane dehalogenase | | Authors: | Liu, X, Hanson, L, Langan, P, Viola, R.E. | | Deposit date: | 2007-04-27 | | Release date: | 2007-09-04 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (1.53 Å) | | Cite: | The effect of deuteration on protein structure: a high-resolution comparison of hydrogenous and perdeuterated haloalkane dehalogenase.
Acta Crystallogr.,Sect.D, 63, 2007
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2QWS
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4XQD
 | | X-ray structure analysis of xylanase-WT at pH4.0 | | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Wan, Q, Park, J.M, Riccardi, D.M, Hanson, L.B, Fisher, Z, Smith, J.C, Ostermann, A, Schrader, T, Graham, D.E, Coates, L, Langan, P, Kovalevsky, A.Y. | | Deposit date: | 2015-01-19 | | Release date: | 2015-09-23 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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4XQW
 | | X-ray structure analysis of xylanase-N44E with MES at pH6.0 | | Descriptor: | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID, Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Wan, Q, Park, J.M, Riccardi, D.M, Hanson, L.B, Fisher, Z, Smith, J.C, Ostermann, A, Schrader, T, Graham, D.E, Coates, L, Langan, P, Kovalevsky, A.Y. | | Deposit date: | 2015-01-20 | | Release date: | 2015-09-23 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.5 Å) | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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4XPV
 | | Neutron and X-ray structure analysis of xylanase: N44D at pH6 | | Descriptor: | Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Wan, Q, Park, J.M, Riccardi, D.M, Hanson, L.B, Fisher, Z, Smith, J.C, Ostermann, A, Schrader, T, Graham, D.E, Coates, L, Langan, P, Kovalevsky, A.Y. | | Deposit date: | 2015-01-18 | | Release date: | 2015-09-30 | | Last modified: | 2023-09-27 | | Method: | NEUTRON DIFFRACTION (1.7 Å), X-RAY DIFFRACTION | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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4XQ4
 | | X-ray structure analysis of xylanase - N44D | | Descriptor: | Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Wan, Q, Park, J.M, Riccardi, D.M, Hanson, L.B, Fisher, Z, Smith, J.C, Ostermann, A, Schrader, T, Graham, D.E, Coates, L, Langan, P, Kovalevsky, A.Y. | | Deposit date: | 2015-01-19 | | Release date: | 2015-09-23 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.25 Å) | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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5EBJ
 | | Joint X-ray/neutron structure of reversibly photoswitching chromogenic protein, Dathail | | Descriptor: | photoswitching chromogenic protein | | Authors: | Kovalevsky, A.Y, Langan, P.S, Bradbury, A.R.M. | | Deposit date: | 2015-10-19 | | Release date: | 2016-04-06 | | Last modified: | 2023-11-15 | | Method: | NEUTRON DIFFRACTION (2.5 Å), X-RAY DIFFRACTION | | Cite: | Evolution and characterization of a new reversibly photoswitching chromogenic protein, Dathail.
J.Mol.Biol., 428, 2016
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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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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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4JEC
 | | Joint neutron and X-ray structure of per-deuterated HIV-1 protease in complex with clinical inhibitor amprenavir | | Descriptor: | CHLORIDE ION, HIV-1 protease, {3-[(4-AMINO-BENZENESULFONYL)-ISOBUTYL-AMINO]-1-BENZYL-2-HYDROXY-PROPYL}-CARBAMIC ACID TETRAHYDRO-FURAN-3-YL ESTER | | Authors: | Kovalevsky, A.Y, Weber, I.T, Langan, P. | | Deposit date: | 2013-02-26 | | Release date: | 2013-07-24 | | Last modified: | 2024-02-28 | | Method: | NEUTRON DIFFRACTION (2.01 Å), X-RAY DIFFRACTION | | Cite: | Joint X-ray/Neutron Crystallographic Study of HIV-1 Protease with Clinical Inhibitor Amprenavir: Insights for Drug Design.
J.Med.Chem., 56, 2013
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3CWH
 | | D-xylose Isomerase in complex with linear product, per-deuterated xylulose | | Descriptor: | D-XYLULOSE, HYDROXIDE ION, MAGNESIUM ION, ... | | Authors: | Kovalevsky, A.Y, Langan, P, Glusker, J.P. | | Deposit date: | 2008-04-21 | | Release date: | 2008-08-05 | | Last modified: | 2023-08-30 | | Method: | NEUTRON DIFFRACTION (2.2 Å) | | Cite: | Hydrogen location in stages of an enzyme-catalyzed reaction: time-of-flight neutron structure of D-xylose isomerase with bound D-xylulose
Biochemistry, 47, 2008
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3BYC
 | | Joint neutron and X-ray structure of diisopropyl fluorophosphatase. Deuterium occupancies are 1-Q, where Q is occupancy of H | | Descriptor: | CALCIUM ION, Diisopropyl-fluorophosphatase | | Authors: | Blum, M.-M, Mustyakimov, M, Ruterjans, H, Schoenborn, B.P, Langan, P, Chen, J.C.-H. | | Deposit date: | 2008-01-15 | | Release date: | 2009-01-27 | | Last modified: | 2024-02-21 | | Method: | NEUTRON DIFFRACTION (2.2 Å), X-RAY DIFFRACTION | | Cite: | Rapid determination of hydrogen positions and protonation states of diisopropyl fluorophosphatase by joint neutron and X-ray diffraction refinement.
Proc.Natl.Acad.Sci.Usa, 106, 2009
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4S2G
 | | Joint X-ray/neutron structure of Trichoderma reesei xylanase II at pH 5.8 | | Descriptor: | Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Kovalevsky, A, Wan, Q, Langan, P. | | Deposit date: | 2015-01-20 | | Release date: | 2015-09-23 | | Last modified: | 2019-12-25 | | Method: | NEUTRON DIFFRACTION (1.6 Å), X-RAY DIFFRACTION | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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4S2D
 | | Joint X-ray/neutron structure of Trichoderma reesei xylanase II in complex with MES at pH 5.7 | | Descriptor: | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID, Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Kovalevsky, A.Y, Wan, Q, Langan, P. | | Deposit date: | 2015-01-20 | | Release date: | 2015-09-23 | | Last modified: | 2019-12-25 | | Method: | NEUTRON DIFFRACTION (1.6 Å), X-RAY DIFFRACTION | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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4S2F
 | | Joint X-ray/neutron structure of Trichoderma reesei xylanase II at pH 4.4 | | Descriptor: | Endo-1,4-beta-xylanase 2, IODIDE ION | | Authors: | Kovalevsky, A, Wan, Q, Langan, P. | | Deposit date: | 2015-01-20 | | Release date: | 2015-09-23 | | Last modified: | 2019-12-25 | | Method: | NEUTRON DIFFRACTION (1.7 Å), X-RAY DIFFRACTION | | Cite: | Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography.
Proc.Natl.Acad.Sci.USA, 112, 2015
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