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- PDB-1lzo: Plasmodium Falciparum Triosephosphate Isomerase-Phosphoglycolate ... -

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Basic information

Entry
Database: PDB / ID: 1lzo
TitlePlasmodium Falciparum Triosephosphate Isomerase-Phosphoglycolate Complex
ComponentsTriosephosphate Isomerase
KeywordsISOMERASE / Triosephosphate Isomerase / Phosphoglycolate / Loop Dynamics / Loop Open Conformation
Function / homology
Function and homology information


triose-phosphate isomerase / triose-phosphate isomerase activity / gluconeogenesis / glycolytic process / identical protein binding
Similarity search - Function
Triosephosphate isomerase, bacterial/eukaryotic / Triosephosphate isomerase, active site / Triosephosphate isomerase active site. / Triosephosphate isomerase / Triosephosphate isomerase superfamily / Triosephosphate isomerase / Triosephosphate isomerase (TIM) family profile. / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel ...Triosephosphate isomerase, bacterial/eukaryotic / Triosephosphate isomerase, active site / Triosephosphate isomerase active site. / Triosephosphate isomerase / Triosephosphate isomerase superfamily / Triosephosphate isomerase / Triosephosphate isomerase (TIM) family profile. / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
2-PHOSPHOGLYCOLIC ACID / Triosephosphate isomerase
Similarity search - Component
Biological speciesPlasmodium falciparum (malaria parasite P. falciparum)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.8 Å
AuthorsParthasarathy, S. / Balaram, H. / Balaram, P. / Murthy, M.R.
Citation
Journal: Biochemistry / Year: 2002
Title: Structure of the Plasmodium falciparum triosephosphate isomerase-phosphoglycolate complex in two crystal forms: characterization of catalytic loop open and closed conformations in the ligand-bound state
Authors: Parthasarathy, S. / Ravindra, G. / Balaram, H. / Balaram, P. / Murthy, M.R.
#1: Journal: Structure / Year: 1997
Title: Triosephosphate isomerase from Plasmodium falciparum: Crystal structure provides insights into antimalarial drug design
Authors: Velankar, S.S. / Ray, S.S. / Gokhle, R.S. / Suma, S. / Balaram, H. / Balaram, P. / Murthy, M.R.N.
History
DepositionJun 11, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 28, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 14, 2024Group: 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 / 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 / _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: Triosephosphate Isomerase
B: Triosephosphate Isomerase
C: Triosephosphate Isomerase
D: Triosephosphate Isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)112,3036
Polymers111,9914
Non-polymers3122
Water2,702150
1
A: Triosephosphate Isomerase
B: Triosephosphate Isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,1523
Polymers55,9952
Non-polymers1561
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3630 Å2
ΔGint-28 kcal/mol
Surface area19820 Å2
MethodPISA
2
C: Triosephosphate Isomerase
D: Triosephosphate Isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,1523
Polymers55,9952
Non-polymers1561
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3610 Å2
ΔGint-27 kcal/mol
Surface area19820 Å2
MethodPISA
Unit cell
Length a, b, c (Å)50.821, 106.771, 181.219
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Cell settingorthorhombic
Space group name H-MP212121

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Components

#1: Protein
Triosephosphate Isomerase / E.C.5.3.1.1 / TIM / triose-phosphate isomerase / triose phosphate isomerase


Mass: 27997.738 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Plasmodium falciparum (malaria parasite P. falciparum)
Gene: TPI / Plasmid: ptrc 99A vector, called pARC / Production host: Escherichia coli (E. coli) / Strain (production host): AA200 / References: UniProt: Q07412, triose-phosphate isomerase
#2: Chemical ChemComp-PGA / 2-PHOSPHOGLYCOLIC ACID


Mass: 156.031 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C2H5O6P
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 150 / 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: 2.209 Å3/Da / Density % sol: 42.18 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 12% to 25% PEG 6000 or PEG 4000 or PEG 3350 or PEG 1450 in the presence of EDTA, DTT and Sodium azide in 100mM MES. pH 6.5, VAPOR DIFFUSION, HANGING DROP at 295K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
112-25 %PEG60001reservoir
2100 mMMES1reservoirpH6.5
30.05 mMdithiothreitol1reservoir
40.05 mMEDTA1reservoir
50.05 mM1reservoirNaN3
615 mg/mlprotein1drop

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Feb 10, 2000 / Details: Mirrors
RadiationMonochromator: Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.8→20 Å / Num. all: 24992 / Num. obs: 24992 / % possible obs: 99.5 % / Redundancy: 3.6 % / Biso Wilson estimate: 38.1 Å2 / Rsym value: 0.12 / Net I/σ(I): 10.5
Reflection shellResolution: 2.8→2.9 Å / Redundancy: 3 % / Mean I/σ(I) obs: 4.5 / Num. unique all: 2425 / Rsym value: 0.314 / % possible all: 98.5
Reflection
*PLUS
Highest resolution: 2.8 Å / Num. obs: 23550 / Num. measured all: 84748 / Rmerge(I) obs: 0.115

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS0.4refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: Dimer of unbound PfTIM, PDB code 1YDV

1ydv


Resolution: 2.8→20 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 158207.41 / Data cutoff low absF: 0
Isotropic thermal model: Grouped B factor for main chain and side chain atom of individual residues
Cross valid method: THROUGHOUT / σ(F): 0.1 / Stereochemistry target values: Engh & Huber
Details: RESOLUTION DEPENDENT WEIGHTING SCHEME, BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.3111 2327 9.9 %Random
Rwork0.2316 ---
all-24992 --
obs-23538 93.9 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 15.4 Å2 / ksol: 0.293485 e/Å3
Displacement parametersBiso mean: 14.32 Å2
Baniso -1Baniso -2Baniso -3
1--2.31 Å20.55 Å21.76 Å2
2--0 Å20 Å2
3---0 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.5 Å0.37 Å
Luzzati d res low-5 Å
Luzzati sigma a0.55 Å0.42 Å
Refinement stepCycle: LAST / Resolution: 2.8→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7828 0 18 150 7996
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0079
X-RAY DIFFRACTIONc_angle_deg1.3458
X-RAY DIFFRACTIONc_dihedral_angle_d22.73
X-RAY DIFFRACTIONc_improper_angle_d0.8043
Refine LS restraints NCSNCS model details: FOUR FOLD NCS RESTRAINTS BETWEEN MONOMERS APPLIED
Rms dev Biso : 2 Å2 / Weight Biso : 250
LS refinement shellResolution: 2.8→2.9 Å / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.327 207 9.4 %
Rwork0.427 1986 -
obs--89.1 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3pg.parpg.top
Refinement
*PLUS
Highest resolution: 2.8 Å / Rfactor Rfree: 0.311 / Rfactor Rwork: 0.232
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_angle_deg1.346
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg22.73
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.8043

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