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- PDB-4acf: CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS GLUTAMINE SYNTHET... -
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Open data
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Basic information
Entry | Database: PDB / ID: 4acf | ||||||
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Title | CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS GLUTAMINE SYNTHETASE IN COMPLEX WITH IMIDAZOPYRIDINE INHIBITOR ((4-(6-BROMO-3-(BUTYLAMINO)IMIDAZO(1,2-A)PYRIDIN-2-YL)PHENOXY) ACETIC ACID) AND L-METHIONINE-S-SULFOXIMINE PHOSPHATE. | ||||||
![]() | GLUTAMINE SYNTHETASE 1 | ||||||
![]() | LIGASE / NUCLEOTIDE-BINDING / SYNTHETASE / TRI-SUBSTITUTED IMIDAZOLE / TAUT STATE / RV2220 / MT2278 / GLNA1 | ||||||
Function / homology | ![]() nitrogen utilization / positive regulation of plasminogen activation / cell wall / glutamine synthetase / glutamine biosynthetic process / glutamine synthetase activity / zymogen binding / fibronectin binding / peptidoglycan-based cell wall / protein homooligomerization ...nitrogen utilization / positive regulation of plasminogen activation / cell wall / glutamine synthetase / glutamine biosynthetic process / glutamine synthetase activity / zymogen binding / fibronectin binding / peptidoglycan-based cell wall / protein homooligomerization / magnesium ion binding / extracellular region / ATP binding / metal ion binding / membrane / plasma membrane / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Nilsson, M.T. / Mowbray, S.L. | ||||||
![]() | ![]() Title: Synthesis, Biological Evaluation and X-Ray Crystallographic Studies of Imidazo(1,2-A)Pyridine-Based Mycobacterium Tuberculosis Glutamine Synthetase Inhibitors Authors: Nordqvist, A. / Nilsson, M.T. / Lagerlund, O. / Muthas, D. / Gising, J. / Yahiaoui, S. / Odell, L.R. / Srinivasa, B.R. / Larhed, M. / Mowbray, S.L. / Karlen, A. #1: ![]() Title: Structure of Mycobacterium Tuberculosis Glutamine Synthetase in Complex with a Transition-State Mimic Provides Functional Insights. Authors: Krajewski, W.W. / Jones, T.A. / Mowbray, S.L. #2: ![]() Title: Structural Basis for the Inhibition of Mycobacterium Tuberculosis Glutamine Synthetase by Novel ATP-Competitive Inhibitors. Authors: Nilsson, M.T. / Krajewski, W.W. / Yellagunda, S. / Prabhumurthy, S. / Chamarahally, G.N. / Siddamadappa, C. / Srinivasa, B.R. / Yahiaoui, S. / Larhed, M. / Karlen, A. / Jones, T.A. / Mowbray, S.L. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 605.6 KB | Display | ![]() |
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PDB format | ![]() | 497.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 3.1 MB | Display | ![]() |
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Full document | ![]() | 3.2 MB | Display | |
Data in XML | ![]() | 116.2 KB | Display | |
Data in CIF | ![]() | 169.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2bvcS S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
NCS ensembles :
NCS oper:
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Components
-Protein , 1 types, 6 molecules ABCDEF
#1: Protein | Mass: 54584.730 Da / Num. of mol.: 6 / Fragment: RESIDUES 2-478 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P0A590, UniProt: P9WN39*PLUS, glutamine synthetase |
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-Non-polymers , 6 types, 1974 molecules 










#2: Chemical | ChemComp-46B / { #3: Chemical | ChemComp-MG / #4: Chemical | ChemComp-P3S / #5: Chemical | ChemComp-PO4 / #6: Chemical | ChemComp-CL / #7: Water | ChemComp-HOH / | |
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-Details
Sequence details | PROTEIN EXPRESSED IN FUSION WITH A N-TERMINAL 9 AMINO ACID PEPTIDE CONTAINING A SIX HISTIDINE ...PROTEIN EXPRESSED IN FUSION WITH A N-TERMINAL 9 AMINO ACID PEPTIDE CONTAINING |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.33 Å3/Da / Density % sol: 47.2 % |
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: EQUAL VOLUMES OF MOTHER LIQUOR (0.1 M TRIS-HCL, PH 7.5, 0.2 M MAGNESIUM CHLORIDE, 39% (V/V) PEG 400) AND PROTEIN SOLUTION (13 G/L IN 0.1 M TRIS-HCL, PH 7.5, 0.125 M SODIUM CHLORIDE, 0.004 M ...Details: EQUAL VOLUMES OF MOTHER LIQUOR (0.1 M TRIS-HCL, PH 7.5, 0.2 M MAGNESIUM CHLORIDE, 39% (V/V) PEG 400) AND PROTEIN SOLUTION (13 G/L IN 0.1 M TRIS-HCL, PH 7.5, 0.125 M SODIUM CHLORIDE, 0.004 M MAGNESIUM CHLORIDE, 4%(V/V) DMSO, 0.001 M INHIBITOR, 0.004 M MSOP), HANGING-DROP, VAPOR DIFFUSION, TEMPERATURE 294K. |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC CCD / Detector: CCD / Date: Sep 8, 2008 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.0683 Å / Relative weight: 1 |
Reflection | Resolution: 2→20 Å / Num. obs: 192509 / % possible obs: 99.1 % / Observed criterion σ(I): 0 / Redundancy: 4 % / Rmerge(I) obs: 0.08 / Net I/σ(I): 15.5 |
Reflection shell | Resolution: 2→2.1 Å / Redundancy: 3.4 % / Rmerge(I) obs: 0.39 / Mean I/σ(I) obs: 4.7 / % possible all: 96.4 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 2BVC Resolution: 2→20 Å / Cor.coef. Fo:Fc: 0.957 / Cor.coef. Fo:Fc free: 0.941 / Cross valid method: THROUGHOUT / ESU R: 0.174 / ESU R Free: 0.145 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 403-415 ARE EXCLUDED FROM THE NCS DUE TO DIFFERENCES AS A RESULT OF CRYSTAL CONTACTS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 17.118 Å2
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Refinement step | Cycle: LAST / Resolution: 2→20 Å
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Refine LS restraints |
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