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- PDB-2v2h: The A178L mutation in the C-terminal hinge of the flexible loop-6... -

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Basic information

Entry
Database: PDB / ID: 2v2h
TitleThe A178L mutation in the C-terminal hinge of the flexible loop-6 of triosephosphate isomerase (TIM) induces a more closed conformation of this hinge region in dimeric and monomeric TIM
ComponentsTRIOSEPHOSPHATE ISOMERASE GLYCOSOMAL
KeywordsISOMERASE / GLUCONEOGENESIS / LIPID SYNTHESIS / 2-PHOSPHO GLYCOLATE / GLYCOLYSIS / ENGINEERING / PENTOSE SHUNT / POINT MUTATION / TIM / 2PG / A178L / LOOP6 / HINGE / LOOP-6 / ENZYME / FATTY ACID BIOSYNTHESIS / TRIOSEPHOSPHATE ISOMERASE / GLYCOSOME / MONOMERIC / TIM-BARREL
Function / homology
Function and homology information


glycosome / triose-phosphate isomerase / triose-phosphate isomerase activity / glyceraldehyde-3-phosphate biosynthetic process / glycerol catabolic process / gluconeogenesis / glycolytic process / cytosol / cytoplasm
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, glycosomal
Similarity search - Component
Biological speciesTRYPANOSOMA BRUCEI BRUCEI (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.18 Å
AuthorsAlahuhta, M. / Casteleijn, M.G. / Neubauer, P. / Wierenga, R.K.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2008
Title: Structural Studies Show that the A178L Mutation in the C-Terminal Hinge of the Catalytic Loop-6 of Triosephosphate Isomerase (Tim) Induces a Closed-Like Conformation in Dimeric and Monomeric Tim.
Authors: Alahuhta, M. / Casteleijn, M.G. / Neubauer, P. / Wierenga, R.K.
History
DepositionJun 6, 2007Deposition site: PDBE / Processing site: PDBE
Revision 1.0Feb 19, 2008Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 24, 2019Group: Data collection / Category: diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 1.4Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / 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
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf
Revision 2.0May 1, 2024Group: Atomic model / Category: atom_site / atom_site_anisotrop
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site_anisotrop.U[1][1] / _atom_site_anisotrop.U[1][2] / _atom_site_anisotrop.U[1][3] / _atom_site_anisotrop.U[2][2] / _atom_site_anisotrop.U[2][3] / _atom_site_anisotrop.U[3][3]
Remark 700 SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "BA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "CA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: TRIOSEPHOSPHATE ISOMERASE GLYCOSOMAL
B: TRIOSEPHOSPHATE ISOMERASE GLYCOSOMAL
C: TRIOSEPHOSPHATE ISOMERASE GLYCOSOMAL
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,8029
Polymers78,2273
Non-polymers5746
Water15,277848
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1010 Å2
ΔGint-9.7 kcal/mol
Surface area37000 Å2
MethodPQS
Unit cell
Length a, b, c (Å)68.260, 117.990, 81.770
Angle α, β, γ (deg.)90.00, 95.84, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein TRIOSEPHOSPHATE ISOMERASE GLYCOSOMAL / TRIOSEPHOSPHATE ISOMERASE / TIM / TRIOSE-PHOSPHATE ISOMERASE


Mass: 26075.824 Da / Num. of mol.: 3 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) TRYPANOSOMA BRUCEI BRUCEI (eukaryote) / Plasmid: PET3A / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21 PLYSS / References: UniProt: P04789, triose-phosphate isomerase
#2: Chemical ChemComp-PGA / 2-PHOSPHOGLYCOLIC ACID


Mass: 156.031 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Formula: C2H5O6P
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 848 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED RESIDUE IN CHAIN A, ALA 178 TO LEU ENGINEERED RESIDUE IN CHAIN B, ALA 178 TO LEU ...ENGINEERED RESIDUE IN CHAIN A, ALA 178 TO LEU ENGINEERED RESIDUE IN CHAIN B, ALA 178 TO LEU ENGINEERED RESIDUE IN CHAIN C, ALA 178 TO LEU

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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: 2.2 Å3/Da / Density % sol: 43.2 % / Description: NONE
Crystal growpH: 5.5
Details: 0.1 M CITRIC ACID PH 5.5, 20% PEG 6K, 3% TERT.BUTANOL

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: BW7A / Wavelength: 0.793
DetectorType: MARRESEARCH / Detector: CCD / Date: Mar 30, 2005 / Details: RH COATED, ZERODUR
RadiationMonochromator: FIXED EXIT DOUBLE CRYSTAL SI 111, HORIZONTALLY FOCUSSING
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.793 Å / Relative weight: 1
ReflectionResolution: 1.18→25 Å / Num. obs: 210261 / % possible obs: 99.9 % / Observed criterion σ(I): 3 / Redundancy: 5.2 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 17.01
Reflection shellResolution: 1.18→1.19 Å / Redundancy: 5.1 % / Rmerge(I) obs: 0.49 / Mean I/σ(I) obs: 3.7 / % possible all: 100

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Processing

Software
NameClassification
SHELXL-97refinement
XDSdata reduction
XDSdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1ML1

1ml1


Resolution: 1.18→25 Å / Num. restraintsaints: 69700 / Cross valid method: THROUGHOUT / σ(F): 3 / Stereochemistry target values: ENGH AND HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.1868 10519 5 %RANDOM
obs0.1394 -99.9 %-
all-210261 --
Refine analyzeOccupancy sum hydrogen: 0 / Occupancy sum non hydrogen: 6357.69
Refinement stepCycle: LAST / Resolution: 1.18→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5487 0 30 848 6365
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.022
X-RAY DIFFRACTIONs_angle_d0.041
X-RAY DIFFRACTIONs_similar_dist0.138
X-RAY DIFFRACTIONs_from_restr_planes
X-RAY DIFFRACTIONs_zero_chiral_vol0.104
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.1
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.02
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt
X-RAY DIFFRACTIONs_similar_adp_cmpnt
X-RAY DIFFRACTIONs_approx_iso_adps

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