2IS7

Crystal Structure of Aldose Reductase complexed with Dichlorophenylacetic acid


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1AZ1pdb entry 1AZ1

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP527720 % PEG 6000, 50 mM Citrate, subsequent glutaraldehyde x-link, ligand soak, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.1643.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.99α = 90
b = 67.146β = 90
c = 92.114γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277IMAGE PLATERIGAKU RAXIS IICmirrors1998-07-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
11.63072.40.08726.73.134172930223
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)
1.61.6317.40.1863.551.11358

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTpdb entry 1AZ11.7303484028352143481.380.170.1690.2RANDOM14.255
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]
-0.03-0.230.26
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.274
r_dihedral_angle_4_deg17.168
r_dihedral_angle_3_deg16.361
r_dihedral_angle_1_deg5.316
r_scangle_it3.496
r_scbond_it2.229
r_mcangle_it1.401
r_angle_refined_deg1.38
r_mcbond_it0.88
r_nbtor_refined0.305
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.274
r_dihedral_angle_4_deg17.168
r_dihedral_angle_3_deg16.361
r_dihedral_angle_1_deg5.316
r_scangle_it3.496
r_scbond_it2.229
r_mcangle_it1.401
r_angle_refined_deg1.38
r_mcbond_it0.88
r_nbtor_refined0.305
r_symmetry_hbond_refined0.29
r_nbd_refined0.198
r_symmetry_vdw_refined0.16
r_xyhbond_nbd_refined0.125
r_chiral_restr0.096
r_bond_refined_d0.012
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2516
Nucleic Acid Atoms
Solvent Atoms107
Heterogen Atoms60

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
X-PLORphasing