2V2H

The 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


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ML1PDB ENTRY 1ML1

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.50.1 M CITRIC ACID PH 5.5, 20% PEG 6K, 3% TERT.BUTANOL
Crystal Properties
Matthews coefficientSolvent content
2.243.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.26α = 90
b = 117.99β = 95.84
c = 81.77γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHRH COATED, ZERODUR2005-03-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE BW7AEMBL/DESY, HAMBURGBW7A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.182599.90.0617.015.22102613
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.181.191000.493.75.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1ML11.182532102611051999.90.13940.1868RANDOM
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
6357.69
RMS Deviations
KeyRefinement Restraint Deviation
s_similar_dist0.138
s_zero_chiral_vol0.104
s_non_zero_chiral_vol0.1
s_angle_d0.041
s_bond_d0.022
s_anti_bump_dis_restr0.02
s_from_restr_planes
s_rigid_bond_adp_cmpnt
s_similar_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5487
Nucleic Acid Atoms
Solvent Atoms848
Heterogen Atoms30

Software

Software
Software NamePurpose
SHELXL-97refinement
XDSdata reduction
XDSdata scaling
MOLREPphasing