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- PDB-4cl0: Structure of the Mycobacterium tuberculosis Type II Dehydroquinas... -

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Basic information

Entry
Database: PDB / ID: 4cl0
TitleStructure of the Mycobacterium tuberculosis Type II Dehydroquinase inhibited by a 3-dehydroquinic acid derivative
Components3-DEHYDROQUINATE DEHYDRATASE
KeywordsLYASE / BACTERIAL PROTEINS / TYPE 2 DEHYDROQUINASE / INHIBITOR / PROTEIN BINDING / SHIKIMIS ACID PATHWAY / SUBSTRATE SPECIFICITY
Function / homology
Function and homology information


quinate catabolic process / Chorismate via Shikimate Pathway / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase activity / chorismate biosynthetic process / aromatic amino acid family biosynthetic process / amino acid biosynthetic process / cytosol
Similarity search - Function
Dehydroquinase, class II / Dehydroquinase, class II, conserved site / Dehydroquinase class II signature. / Dehydroquinase, class II / Dehydroquinase, class II superfamily / Dehydroquinase class II / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
(2R)-2-METHYL-3-DEHYDROQUINIC ACID / 3-dehydroquinate dehydratase / 3-dehydroquinate dehydratase
Similarity search - Component
Biological speciesMYCOBACTERIUM TUBERCULOSIS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.1 Å
AuthorsOtero, J.M. / Llamas-Saiz, A.L. / Maneiro, M. / Peon, A. / Sedes, A. / Lamb, H. / Hawkins, A.R. / Gonzalez-Bello, C. / van Raaij, M.J.
CitationJournal: To be Published
Title: Investigation of the Dehydratation Mechanism Catalyzed by the Type II Dehydroquinase
Authors: Maneiro, M. / Otero, J.M. / Peon, A. / Sedes, A. / Llamas-Saiz, A.L. / Lamb, H. / Hawkins, A.R. / van Raaij, M.J. / Gonzalez-Bello, C.
History
DepositionJan 10, 2014Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 25, 2015Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2018Group: Database references / Category: citation_author / Item: _citation_author.name
Revision 1.2Dec 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 / 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 / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 650 HELIX DETERMINATION METHOD: AUTHOR PROVIDED.
Remark 700 SHEET DETERMINATION METHOD: AUTHOR PROVIDED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 3-DEHYDROQUINATE DEHYDRATASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,8812
Polymers15,6771
Non-polymers2041
Water23413
1
A: 3-DEHYDROQUINATE DEHYDRATASE
hetero molecules
x 12


Theoretical massNumber of molelcules
Total (without water)190,57124
Polymers188,12112
Non-polymers2,45012
Water21612
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation10_555-y,z,-x1
crystal symmetry operation6_555z,-x,-y1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation5_555z,x,y1
crystal symmetry operation3_555-x,y,-z1
crystal symmetry operation12_555-y,-z,x1
crystal symmetry operation4_555x,-y,-z1
crystal symmetry operation9_555y,z,x1
crystal symmetry operation7_555-z,-x,y1
crystal symmetry operation11_555y,-z,-x1
crystal symmetry operation8_555-z,x,-y1
Buried area25690 Å2
ΔGint-37.7 kcal/mol
Surface area53970 Å2
MethodPISA
Unit cell
Length a, b, c (Å)126.003, 126.003, 126.003
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number196
Space group name H-MF23
Components on special symmetry positions
IDModelComponents
11A-2006-

HOH

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Components

#1: Protein 3-DEHYDROQUINATE DEHYDRATASE / / 3-DEHYDROQUINASE / TYPE II DHQASE


Mass: 15676.737 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) MYCOBACTERIUM TUBERCULOSIS (bacteria) / Plasmid: PKK233-2 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21 / Variant (production host): SK3430
References: UniProt: P0A4Z6, UniProt: P9WPX7*PLUS, 3-dehydroquinate dehydratase
#2: Chemical ChemComp-9PY / (2R)-2-METHYL-3-DEHYDROQUINIC ACID


Mass: 204.177 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H12O6
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 13 / 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: 2.8 Å3/Da / Density % sol: 55.7 % / Description: NONE
Crystal growpH: 7.5
Details: 32% (V/V) 2-METHYL-2,4-PENTANEDIOL, 0.3 M AMMONIUM SULFATE, 0.1 M 4-(2-HYDROXYETHYL)-PIPERAZINE- 1-ETHANESULFONIC ACID SODIUM SALT (HEPES) PH 7.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 0.97908
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: May 7, 2013 / Details: CYLINDRICAL GRAZING INCIDENCE MIRROR
RadiationMonochromator: CHANNEL-CUT DOUBLE CRYSTAL MONOCHROMATOR / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97908 Å / Relative weight: 1
ReflectionResolution: 3.1→44.55 Å / Num. obs: 3177 / % possible obs: 100 % / Observed criterion σ(I): -3 / Redundancy: 9.8 % / Biso Wilson estimate: 39 Å2 / Rmerge(I) obs: 0.11 / Net I/σ(I): 19.9
Reflection shellResolution: 3.1→3.27 Å / Redundancy: 9.7 % / Rmerge(I) obs: 0.35 / Mean I/σ(I) obs: 7.6 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.7.0029refinement
XDSdata reduction
SCALEdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2Y71
Resolution: 3.1→44.59 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.862 / SU B: 15.61 / SU ML: 0.267 / Cross valid method: THROUGHOUT / ESU R Free: 0.434 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES ARE REFINED INDIVIDUALLY. ARG-18 AND GLU-42 SIDE CHAINS ARE MISSING BY DISORDER IN THE STRUCTURE. INHIBITOR INCLUDED IN ENZYME ...Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES ARE REFINED INDIVIDUALLY. ARG-18 AND GLU-42 SIDE CHAINS ARE MISSING BY DISORDER IN THE STRUCTURE. INHIBITOR INCLUDED IN ENZYME ACTIVE SITE BY SOAKING OF APO-CRYSTALS IN INHIBITOR SOLUTION
RfactorNum. reflection% reflectionSelection details
Rfree0.22814 137 4.4 %RANDOM
Rwork0.13199 ---
obs0.13607 2970 99.9 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 47.75 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 3.1→44.59 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1051 0 14 13 1078
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0191089
X-RAY DIFFRACTIONr_bond_other_d0.0010.021064
X-RAY DIFFRACTIONr_angle_refined_deg1.3931.9781489
X-RAY DIFFRACTIONr_angle_other_deg0.7853.0032430
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.565141
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.29523.61747
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.86515170
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.305159
X-RAY DIFFRACTIONr_chiral_restr0.0670.2180
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.0211245
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02240
X-RAY DIFFRACTIONr_nbd_refined0.2140.2259
X-RAY DIFFRACTIONr_nbd_other0.1750.21060
X-RAY DIFFRACTIONr_nbtor_refined0.1720.2542
X-RAY DIFFRACTIONr_nbtor_other0.0850.2680
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.2260.211
X-RAY DIFFRACTIONr_xyhbond_nbd_other0.0350.21
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.0960.29
X-RAY DIFFRACTIONr_symmetry_vdw_other0.1890.241
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2570.25
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.9384.8231089
X-RAY DIFFRACTIONr_mcbond_other0.5534.8791064
X-RAY DIFFRACTIONr_mcangle_it4.8587.1751488
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it6.42547.9881970
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it2.447.2982430
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: 3.1→3.465 Å / Total num. of bins used: 5
RfactorNum. reflection% reflection
Rfree0.289 42 -
Rwork0.173 823 -
obs--100 %

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