3H4G

Structure of aldehyde reductase holoenzyme in complex with potent aldose reductase inhibitor Fidarestat: Implications for inhibitor binding and selectivity


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2A0O 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.12952M ammonium sulphate, 0.1M tris, pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.1843.69

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.301α = 90
b = 67.301β = 90
c = 244.741γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHmirrors2004-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA1.000SLSX06SA

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
11.855091.40.09711.33.329272267552121.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.851.92903.83.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2A0O1.8550212672725362136591.670.184690.182960.2165RANDOM18.264
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]
1.280.641.28-1.92
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.918
r_dihedral_angle_3_deg14.278
r_dihedral_angle_4_deg13.986
r_dihedral_angle_1_deg5.386
r_scangle_it1.797
r_angle_refined_deg1.286
r_scbond_it1.178
r_mcangle_it0.891
r_mcbond_it0.511
r_nbtor_refined0.304
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.918
r_dihedral_angle_3_deg14.278
r_dihedral_angle_4_deg13.986
r_dihedral_angle_1_deg5.386
r_scangle_it1.797
r_angle_refined_deg1.286
r_scbond_it1.178
r_mcangle_it0.891
r_mcbond_it0.511
r_nbtor_refined0.304
r_nbd_refined0.202
r_symmetry_vdw_refined0.164
r_xyhbond_nbd_refined0.148
r_symmetry_hbond_refined0.11
r_chiral_restr0.081
r_bond_refined_d0.008
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2647
Nucleic Acid Atoms
Solvent Atoms255
Heterogen Atoms73

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data scaling