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- PDB-2ptz: Crystal Structure of the T. brucei enolase complexed with phospho... -

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Basic information

Entry
Database: PDB / ID: 2ptz
TitleCrystal Structure of the T. brucei enolase complexed with phosphonoacetohydroxamate (PAH), His156-out conformation
ComponentsEnolase
KeywordsLYASE / GLYCOLYSIS / HIS-TAG
Function / homology
Function and homology information


phosphopyruvate hydratase / phosphopyruvate hydratase complex / phosphopyruvate hydratase activity / ciliary plasm / glycolytic process / magnesium ion binding / cytosol / cytoplasm
Similarity search - Function
Enolase / Enolase, conserved site / Enolase, C-terminal TIM barrel domain / Enolase, N-terminal / Enolase, C-terminal TIM barrel domain / Enolase, N-terminal domain / Enolase signature. / Enolase, C-terminal TIM barrel domain / Enolase, N-terminal domain / Enolase-like C-terminal domain ...Enolase / Enolase, conserved site / Enolase, C-terminal TIM barrel domain / Enolase, N-terminal / Enolase, C-terminal TIM barrel domain / Enolase, N-terminal domain / Enolase signature. / Enolase, C-terminal TIM barrel domain / Enolase, N-terminal domain / Enolase-like C-terminal domain / Enolase-like, N-terminal domain / Enolase-like, N-terminal / Enolase-like, C-terminal domain superfamily / Enolase-like; domain 1 / TIM Barrel / Alpha-Beta Barrel / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
PHOSPHONOACETOHYDROXAMIC ACID / phosphopyruvate hydratase
Similarity search - Component
Biological speciesTrypanosoma brucei (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.65 Å
AuthorsNavarro, M.V.A.S. / Rigden, D.J. / Garratt, R.C. / Dias, S.M.G.
Citation
Journal: Febs J. / Year: 2007
Title: Structural flexibility in Trypanosoma brucei enolase revealed by X-ray crystallography and molecular dynamics.
Authors: Navarro, M.V. / Gomes Dias, S.M. / Mello, L.V. / da Silva Giotto, M.T. / Gavalda, S. / Blonski, C. / Garratt, R.C. / Rigden, D.J.
#1: Journal: J.Mol.Biol. / Year: 2003
Title: The Crystal Structure of Trypanosoma Brucei Enolase: Visualisation of the Inhibitory Metal Binding Site III and Potential as Target for Selective, Irreversible Inhibition
Authors: da Silva Giotto, M.T. / Hannaert, V. / Vertommen, D. / Navarro, M.V.A.S. / Rider, M.H. / Michels, P.A.M. / Garratt, R.C. / Rigden, D.J.
History
DepositionMay 8, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 20, 2007Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Oct 20, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / 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.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.value / _struct_conn.pdbx_dist_value / _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
Revision 1.3Aug 30, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Enolase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,3186
Polymers46,9041
Non-polymers4135
Water7,584421
1
A: Enolase
hetero molecules

A: Enolase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)94,63612
Polymers93,8092
Non-polymers82710
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation3_555-x,y,-z+1/21
Unit cell
Length a, b, c (Å)73.858, 109.279, 107.946
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11A-1002-

HOH

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Components

#1: Protein Enolase / 2-phospho-D-glycerate hydro-lyase


Mass: 46904.434 Da / Num. of mol.: 1 / Mutation: R28K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Trypanosoma brucei (eukaryote) / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)pLysS / References: UniProt: Q38BV6, phosphopyruvate hydratase
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-PAH / PHOSPHONOACETOHYDROXAMIC ACID


Mass: 155.047 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6NO5P
#4: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 421 / 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: 2.32 Å3/Da / Density % sol: 47 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 10 % (w/v) PEG1000, 0.01 M ZnSO4 or ZnCl2, and 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: LNLS / Beamline: D03B-MX1 / Wavelength: 1.42 Å
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Dec 1, 2003 / Details: MIRRORS
RadiationMonochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.42 Å / Relative weight: 1
ReflectionResolution: 1.65→28 Å / Num. all: 52580 / Num. obs: 50214 / % possible obs: 95.5 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 8.3 % / Rmerge(I) obs: 0.055 / Net I/σ(I): 26.4
Reflection shellResolution: 1.65→1.74 Å / Redundancy: 8.3 % / Rmerge(I) obs: 0.409 / Mean I/σ(I) obs: 3.9 / % possible all: 91.4

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
MAR345dtbdata collection
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1OEP

1oep


Resolution: 1.65→27.95 Å / Cor.coef. Fo:Fc: 0.971 / Cor.coef. Fo:Fc free: 0.958 / SU B: 4.222 / SU ML: 0.065 / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / ESU R: 0.145 / ESU R Free: 0.097 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.20344 2554 5.1 %RANDOM
Rwork0.16501 ---
obs0.16692 47566 95.01 %-
all-50064 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 29.621 Å2
Baniso -1Baniso -2Baniso -3
1--0.07 Å20 Å20 Å2
2---0.05 Å20 Å2
3---0.12 Å2
Refinement stepCycle: LAST / Resolution: 1.65→27.95 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3288 0 16 421 3725
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.0223357
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.6681.9764530
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.5655430
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.81824.714140
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.58315599
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.0071519
X-RAY DIFFRACTIONr_chiral_restr0.1060.2503
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.022508
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2110.22112
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3120.22360
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1480.2452
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0720.23
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.220.273
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1780.244
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined0.0230.21
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.5011.52178
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.34223419
X-RAY DIFFRACTIONr_scbond_it2.91831303
X-RAY DIFFRACTIONr_scangle_it4.6284.51111
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.65→1.739 Å / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.397 333 -
Rwork0.324 6562 -
obs--90.77 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
11.0901-0.1819-0.03630.80730.40811.7897-0.0343-0.0245-0.14090.04940.0701-0.10860.20380.2459-0.0359-0.10690.03090.0042-0.0948-0.0117-0.089314.047134.053733.7657
21.4418-0.2354-0.14961.330.49791.83-0.0349-0.075-0.00730.02150.0667-0.08830.03910.2227-0.0317-0.06540.0144-0.0091-0.025-0.0023-0.027812.020337.974634.9923
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA-1 - 4292 - 432
2X-RAY DIFFRACTION2AG701 - 11211 - 421

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