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- PDB-3ekz: Structural Characterization of tetrameric Mycobacterium tuberculo... -

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Basic information

Entry
Database: PDB / ID: 3ekz
TitleStructural Characterization of tetrameric Mycobacterium tuberculosis fructose 1,6-bisphosphate aldolase - substrate binding and catalysis mechanism of a class IIa bacterial aldolase
ComponentsFructose-bisphosphate aldolase
KeywordsLYASE / class II fructose-1 / 6-bisphosphate aldolase / zinc enzyme / Mycobacterium tuberculosis / dihydroxyacetone / glyceraldehyde-3-phosphate / aldol condensation / Glycolysis / Metal-binding / Zinc
Function / homology
Function and homology information


cell wall / fructose-bisphosphate aldolase / fructose-bisphosphate aldolase activity / zymogen binding / peptidoglycan-based cell wall / glycolytic process / zinc ion binding / extracellular region / plasma membrane / cytosol
Similarity search - Function
Fructose-bisphosphate aldolase, class II, yeast/E. coli subtype / Fructose-bisphosphate aldolase class-II signature 1. / Fructose-bisphosphate aldolase class-II signature 2. / Fructose-bisphosphate aldolase, class-II / Fructose-bisphosphate aldolase class-II / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
1,3-DIHYDROXYACETONEPHOSPHATE / SN-GLYCEROL-3-PHOSPHATE / Fructose-bisphosphate aldolase / Fructose-bisphosphate aldolase
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.07 Å
AuthorsPegan, S. / Rukseree, K. / Franzblau, S.G. / Mesecar, A.D.
CitationJournal: J.Mol.Biol. / Year: 2009
Title: Structural basis for catalysis of a tetrameric class IIa fructose 1,6-bisphosphate aldolase from Mycobacterium tuberculosis
Authors: Pegan, S.D. / Rukseree, K. / Franzblau, S.G. / Mesecar, A.D.
History
DepositionSep 19, 2008Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 10, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Apr 4, 2018Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.3Aug 30, 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_alt_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_alt_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.pdbx_ptnr1_label_alt_id / _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.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: Fructose-bisphosphate aldolase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,9427
Polymers37,2761
Non-polymers6666
Water6,503361
1
A: Fructose-bisphosphate aldolase
hetero molecules

A: Fructose-bisphosphate aldolase
hetero molecules

A: Fructose-bisphosphate aldolase
hetero molecules

A: Fructose-bisphosphate aldolase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)151,76828
Polymers149,1044
Non-polymers2,66424
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_565-x,-y+1,z1
crystal symmetry operation3_555-x,y,-z1
crystal symmetry operation4_565x,-y+1,-z1
Buried area17210 Å2
ΔGint-333 kcal/mol
Surface area44310 Å2
MethodPISA
Unit cell
Length a, b, c (Å)61.220, 120.486, 164.327
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number23
Space group name H-MI222
DetailsThe second, third, and fourth parts of the biological assembly is generated by the two fold axes: -x, -y+1, z ; x-1/2, -y+1/2, z+1/2; x, -y+1, -z.

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Fructose-bisphosphate aldolase


Mass: 37276.105 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Strain: H37RV / Gene: fba, MT0379, MTCY13E10.25c, Rv0363c / Plasmid: pET17b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DE3)
References: UniProt: P67475, UniProt: P9WQA3*PLUS, fructose-bisphosphate aldolase

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Non-polymers , 5 types, 367 molecules

#2: Chemical ChemComp-13P / 1,3-DIHYDROXYACETONEPHOSPHATE


Mass: 170.058 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H7O6P
#3: Chemical ChemComp-G3P / SN-GLYCEROL-3-PHOSPHATE


Mass: 172.074 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H9O6P
#4: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#5: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 361 / Source method: isolated from a natural source / Formula: H2O

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Details

Nonpolymer detailsAUTHOR STATES THAT B13P IS A HYDROXY ENIOLATE INTERMEDIATE (HEI)

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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: 4.06 Å3/Da / Density % sol: 69.74 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 4.8
Details: 26% PEG 300, 0.1 NaAcetate pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.54 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: May 30, 2008
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 2.07→97.1 Å / Num. all: 36655 / Num. obs: 36655 / % possible obs: 97.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 2.07→2.14 Å / % possible all: 88.6

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Processing

Software
NameVersionClassification
CrystalCleardata collection
PHASERphasing
REFMAC5.2.0019refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3EKL

3ekl


Resolution: 2.07→25.9 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.945 / SU B: 4.323 / SU ML: 0.065 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.121 / ESU R Free: 0.112 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.18014 1838 5 %RANDOM
Rwork0.15794 ---
obs0.15909 36648 97.41 %-
all-36648 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 20.638 Å2
Baniso -1Baniso -2Baniso -3
1-1.96 Å20 Å20 Å2
2---0.8 Å20 Å2
3----1.16 Å2
Refinement stepCycle: LAST / Resolution: 2.07→25.9 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2578 0 33 361 2972
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0160.0222667
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.6661.9663627
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg11.0425352
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.37525.229109
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.72115432
X-RAY DIFFRACTIONr_dihedral_angle_4_deg10.69157
X-RAY DIFFRACTIONr_chiral_restr0.2510.2401
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.022029
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.210.21391
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.30.21834
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.140.2295
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0920.25
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1690.285
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1540.231
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.6091.51707
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.06822736
X-RAY DIFFRACTIONr_scbond_it2.0993977
X-RAY DIFFRACTIONr_scangle_it3.3524.5890
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.07→2.121 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.226 107 -
Rwork0.156 2235 -
obs--85.41 %

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