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Basic information

Entry
Database: PDB / ID: 4lpf
TitleCrystal structure of Mycobacterium tuberculosis imidazole glycerol phosphate dehydratase in complex with an inhibitor
ComponentsImidazoleglycerol-phosphate dehydratase
KeywordsLYASE / Dehydratase
Function / homologyImidazole glycerol phosphate dehydratase; domain 1 / Ribosomal Protein S5; domain 2 / 2-Layer Sandwich / Alpha Beta / 3-AMINO-1,2,4-TRIAZOLE / : / :
Function and homology information
Biological speciesMycobacterium tuberculosis H37Rv (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsAhangar, M.S. / Vyas, R. / Nasir, N. / Biswal, B.K.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2013
Title: Crystal structures of the native, substrate- bound and inhibited forms of Mycobacterium tuberculosis imidazole glycerol phosphate dehydratase
Authors: Ahangar, M.S. / Vyas, R. / Nasir, N. / Biswal, B.K.
History
DepositionJul 16, 2013Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 28, 2013Provider: repository / Type: Initial release
Revision 1.1Nov 8, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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_ref_seq_dif.details / _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: Imidazoleglycerol-phosphate dehydratase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)23,8825
Polymers23,6341
Non-polymers2494
Water1,27971
1
A: Imidazoleglycerol-phosphate dehydratase
hetero molecules
x 24


Theoretical massNumber of molelcules
Total (without water)573,178120
Polymers567,20424
Non-polymers5,97396
Water43224
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation3_555-x,y,-z1
crystal symmetry operation4_555x,-y,-z1
crystal symmetry operation5_555z,x,y1
crystal symmetry operation6_555z,-x,-y1
crystal symmetry operation7_555-z,-x,y1
crystal symmetry operation8_555-z,x,-y1
crystal symmetry operation9_555y,z,x1
crystal symmetry operation10_555-y,z,-x1
crystal symmetry operation11_555y,-z,-x1
crystal symmetry operation12_555-y,-z,x1
crystal symmetry operation13_555y,x,-z1
crystal symmetry operation14_555-y,-x,-z1
crystal symmetry operation15_555y,-x,z1
crystal symmetry operation16_555-y,x,z1
crystal symmetry operation17_555x,z,-y1
crystal symmetry operation18_555-x,z,y1
crystal symmetry operation19_555-x,-z,-y1
crystal symmetry operation20_555x,-z,y1
crystal symmetry operation21_555z,y,-x1
crystal symmetry operation22_555z,-y,x1
crystal symmetry operation23_555-z,y,x1
crystal symmetry operation24_555-z,-y,-x1
Buried area82570 Å2
ΔGint-155 kcal/mol
Surface area136540 Å2
MethodPISA
Unit cell
Length a, b, c (Å)112.211, 112.211, 112.211
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number207
Space group name H-MP432
Components on special symmetry positions
IDModelComponents
11A-304-

MN

21A-506-

HOH

31A-560-

HOH

41A-566-

HOH

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Components

#1: Protein Imidazoleglycerol-phosphate dehydratase / IGPD


Mass: 23633.516 Da / Num. of mol.: 1 / Fragment: UNP residues 2-210
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis H37Rv (bacteria)
Gene: hisB, RVBD_1601 / Plasmid: pYUB1062 / Production host: Mycobacterium smegmatis (bacteria) / Strain (production host): mc2(4517)
References: UniProt: I6XBW5, imidazoleglycerol-phosphate dehydratase
#2: Chemical ChemComp-3TR / 3-AMINO-1,2,4-TRIAZOLE / AMITROLE


Mass: 84.080 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H4N4
#3: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mn
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 71 / Source method: isolated from a natural source / Formula: H2O

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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: 2.49 Å3/Da / Density % sol: 50.62 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 20% PEG1500, 0.2M SODIUM CITRATE, 0.1M TRIS HCL, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU FR-E+ DW / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Aug 24, 2011
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.3→31.2 Å / Num. obs: 11018 / % possible obs: 97.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 2.3→2.38 Å / % possible all: 89.4

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Processing

Software
NameVersionClassification
StructureStudiodata collection
PHASERphasing
REFMAC5.7.0029refinement
HKL-2000data reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4GQU

4gqu


Resolution: 2.3→31.12 Å / Cor.coef. Fo:Fc: 0.941 / Cor.coef. Fo:Fc free: 0.921 / SU B: 6.057 / SU ML: 0.143 / Cross valid method: THROUGHOUT / ESU R: 0.263 / ESU R Free: 0.2 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.22111 523 4.7 %RANDOM
Rwork0.18603 ---
obs0.18772 10495 97.43 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 24.374 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 2.3→31.12 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1469 0 9 71 1549
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0191505
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2361.9412045
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.9725189
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.12522.02774
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.07415233
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.6281518
X-RAY DIFFRACTIONr_chiral_restr0.0780.2233
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.0211169
X-RAY DIFFRACTIONr_gen_planes_other
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_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
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
LS refinement shellResolution: 2.3→2.359 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.237 33 -
Rwork0.224 680 -
obs--89.35 %

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