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- PDB-4acf: CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS GLUTAMINE SYNTHET... -

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Basic information

Entry
Database: PDB / ID: 4acf
TitleCRYSTAL 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.
ComponentsGLUTAMINE SYNTHETASE 1
KeywordsLIGASE / NUCLEOTIDE-BINDING / SYNTHETASE / TRI-SUBSTITUTED IMIDAZOLE / TAUT STATE / RV2220 / MT2278 / GLNA1
Function / homology
Function and homology information


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
Glutamine synthetase, N-terminal domain / Glutamine synthetase class-I, adenylation site / Glutamine synthetase class-I adenylation site. / Glutamine synthetase type I / Glutamine synthetase/guanido kinase, catalytic domain / Creatine Kinase; Chain A, domain 2 / Glutamine synthetase, N-terminal conserved site / Glutamine synthetase signature 1. / Glutamine synthetase, beta-Grasp domain / Glutamine synthetase, glycine-rich site ...Glutamine synthetase, N-terminal domain / Glutamine synthetase class-I, adenylation site / Glutamine synthetase class-I adenylation site. / Glutamine synthetase type I / Glutamine synthetase/guanido kinase, catalytic domain / Creatine Kinase; Chain A, domain 2 / Glutamine synthetase, N-terminal conserved site / Glutamine synthetase signature 1. / Glutamine synthetase, beta-Grasp domain / Glutamine synthetase, glycine-rich site / Glutamine synthetase putative ATP-binding region signature. / Glutamine synthetase (GS) beta-grasp domain profile. / Glutamine synthetase, N-terminal domain superfamily / Glutamine synthetase, catalytic domain / Glutamine synthetase, N-terminal domain / Glutamine synthetase, catalytic domain / Glutamine synthetase (GS) catalytic domain profile. / Glutamine synthetase, catalytic domain / Glutamine synthetase/guanido kinase, catalytic domain / Ubiquitin-like (UB roll) / Roll / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-46B / L-METHIONINE-S-SULFOXIMINE PHOSPHATE / PHOSPHATE ION / Glutamine synthetase / Glutamine synthetase
Similarity search - Component
Biological speciesMYCOBACTERIUM TUBERCULOSIS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2 Å
AuthorsNilsson, M.T. / Mowbray, S.L.
Citation
Journal: Medchemcomm / Year: 2012
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: Journal: Proc.Natl.Acad.Sci.USA / Year: 2005
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: Journal: J.Mol.Biol. / Year: 2009
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
DepositionDec 15, 2011Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 24, 2012Provider: repository / Type: Initial release
Revision 1.1May 8, 2019Group: Data collection / Experimental preparation / Other
Category: exptl_crystal_grow / pdbx_database_proc / pdbx_database_status
Item: _exptl_crystal_grow.temp / _pdbx_database_status.recvd_author_approval
Revision 1.2May 15, 2019Group: Data collection / Experimental preparation / Category: exptl_crystal_grow / Item: _exptl_crystal_grow.method
Revision 1.3Dec 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: GLUTAMINE SYNTHETASE 1
B: GLUTAMINE SYNTHETASE 1
C: GLUTAMINE SYNTHETASE 1
D: GLUTAMINE SYNTHETASE 1
E: GLUTAMINE SYNTHETASE 1
F: GLUTAMINE SYNTHETASE 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)332,94554
Polymers327,5086
Non-polymers5,43748
Water34,6971926
1
A: GLUTAMINE SYNTHETASE 1
B: GLUTAMINE SYNTHETASE 1
C: GLUTAMINE SYNTHETASE 1
D: GLUTAMINE SYNTHETASE 1
E: GLUTAMINE SYNTHETASE 1
F: GLUTAMINE SYNTHETASE 1
hetero molecules

A: GLUTAMINE SYNTHETASE 1
B: GLUTAMINE SYNTHETASE 1
C: GLUTAMINE SYNTHETASE 1
D: GLUTAMINE SYNTHETASE 1
E: GLUTAMINE SYNTHETASE 1
F: GLUTAMINE SYNTHETASE 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)665,890108
Polymers655,01712
Non-polymers10,87496
Water21612
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation3_555-x,y,-z+1/21
Buried area99350 Å2
ΔGint-1119.8 kcal/mol
Surface area168960 Å2
MethodPISA
Unit cell
Length a, b, c (Å)132.590, 227.390, 202.350
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C
41D
51E
61F
12A
22B
32C
42D
52E
62F
13A
23B
33C
43D
53E
63F

NCS domain segments:
Dom-IDComponent-IDEns-IDRefine codeAuth asym-IDAuth seq-ID
1114A5 - 402
2114B5 - 402
3114C5 - 402
4114D5 - 402
5114E5 - 402
6114F5 - 402
1124A416 - 478
2124B416 - 478
3124C416 - 478
4124D416 - 478
5124E416 - 478
6124F416 - 478
1131A501 - 921
2131B501 - 921
3131C501 - 921
4131D501 - 921
5131E501 - 921
6131F501 - 921

NCS ensembles :
ID
1
2
3

NCS oper:
IDCodeMatrix
1given(0.517068, 0.850975, -0.092099), (-0.850731, 0.499078, -0.164856), (-0.094324, 0.163593, 0.982008)
2given(-0.442225, 0.850522, -0.284692), (-0.849523, -0.499006, -0.171183), (-0.287658, 0.166151, 0.943211)
3given(-0.92279, 0.000635, -0.385303), (-0.002084, -0.999992, 0.003341), (-0.385298, 0.003886, 0.922784)
4given(-0.444996, -0.848616, -0.286058), (0.846078, -0.503078, 0.176253), (-0.29348, -0.163595, 0.941863)
5given(0.516762, -0.850726, -0.096035), (0.850189, 0.496747, 0.174416), (-0.100675, -0.17178, 0.979978)

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Components

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Protein , 1 types, 6 molecules ABCDEF

#1: Protein
GLUTAMINE SYNTHETASE 1 / GLUTAMATE--AMMONIA LIGASE 1


Mass: 54584.730 Da / Num. of mol.: 6 / Fragment: RESIDUES 2-478
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) MYCOBACTERIUM TUBERCULOSIS (bacteria) / Strain: H37RV / Plasmid: PCR T7/CT-TOPO / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): GJ4745
References: UniProt: P0A590, UniProt: P9WN39*PLUS, glutamine synthetase

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Non-polymers , 6 types, 1974 molecules

#2: Chemical
ChemComp-46B / {4-[6-BROMO-3-(BUTYLAMINO)IMIDAZO[1,2-A]PYRIDIN-2-YL]PHENOXY}ACETIC ACID


Mass: 418.284 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C19H20BrN3O3
#3: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 24 / Source method: obtained synthetically / Formula: Mg
#4: Chemical
ChemComp-P3S / L-METHIONINE-S-SULFOXIMINE PHOSPHATE


Mass: 260.205 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C5H13N2O6PS
#5: Chemical
ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: PO4
#6: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Cl
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1926 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsPROTEIN 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 A SIX HISTIDINE PURIFICATION TAG. E. COLI STRAIN GJ4745 IS ADENYLYLTRANSFERASE DEFICIENT ( GLNE-)

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.33 Å3/Da / Density % sol: 47.2 %
Crystal growTemperature: 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.

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 1.0683
DetectorType: ADSC CCD / Detector: CCD / Date: Sep 8, 2008
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0683 Å / Relative weight: 1
ReflectionResolution: 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 shellResolution: 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

Software
NameVersionClassification
REFMAC5.5.0109refinement
XDSdata reduction
XSCALEdata scaling
REFMACphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
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
RfactorNum. reflection% reflectionSelection details
Rfree0.19771 10190 5 %RANDOM
Rwork0.16533 ---
obs0.16695 192509 99.14 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 17.118 Å2
Baniso -1Baniso -2Baniso -3
1--0.01 Å20 Å20 Å2
2---1.32 Å20 Å2
3---1.33 Å2
Refinement stepCycle: LAST / Resolution: 2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms22572 0 306 1926 24804
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.02223484
X-RAY DIFFRACTIONr_bond_other_d00.0215828
X-RAY DIFFRACTIONr_angle_refined_deg1.431.96631944
X-RAY DIFFRACTIONr_angle_other_deg4.118338442
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.27752844
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.75624.1971158
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.94153624
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.05415126
X-RAY DIFFRACTIONr_chiral_restr0.0880.23318
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.02126478
X-RAY DIFFRACTIONr_gen_planes_other0.0090.024908
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.6671.514268
X-RAY DIFFRACTIONr_mcbond_other01.55712
X-RAY DIFFRACTIONr_mcangle_it1.195223004
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.96339216
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.0774.58940
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-IDDom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
31A393tight positional0.070.05
32B393tight positional0.070.05
33C393tight positional0.060.05
34D393tight positional0.070.05
35E393tight positional0.080.05
36F393tight positional0.070.05
11A5302medium positional0.130.5
12B5302medium positional0.120.5
13C5302medium positional0.120.5
14D5302medium positional0.130.5
15E5302medium positional0.150.5
16F5302medium positional0.120.5
21A885medium positional0.130.5
22B885medium positional0.160.5
23C885medium positional0.110.5
24D885medium positional0.120.5
25E885medium positional0.120.5
26F885medium positional0.120.5
31A393tight thermal0.260.5
32B393tight thermal0.260.5
33C393tight thermal0.310.5
34D393tight thermal0.20.5
35E393tight thermal0.310.5
36F393tight thermal0.320.5
11A5302medium thermal0.942
12B5302medium thermal1.042
13C5302medium thermal1.312
14D5302medium thermal0.742
15E5302medium thermal1.332
16F5302medium thermal1.192
21A885medium thermal0.772
22B885medium thermal0.752
23C885medium thermal1.232
24D885medium thermal0.642
25E885medium thermal1.152
26F885medium thermal0.932
LS refinement shellResolution: 2→2.051 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.274 687 -
Rwork0.226 13294 -
obs--93.79 %

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