2G7I

Structure of Human Complement Factor H Carboxyl Terminal Domains 19-20: a Basis for Atypical Hemolytic Uremic Syndrome


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.5298Before crystallization the protein was concentrated to 10 mg/ml and dialysed into 20 mM Tris, 50 mM NaCl, pH 7.0. The protein was crystallized in sitting drops by mixing 1 ul of protein solution at 10 mg/ml with 1 ul of reservoir solution of 2.2 M (NH4)2SO4, 0.1 M Tris-HCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
4.0569.61

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.41α = 90
b = 91.41β = 90
c = 110.88γ = 90
Symmetry
Space GroupI 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2003-10-14MSINGLE WAVELENGTH
21100IMAGE PLATERIGAKU RAXIS IV2003-10-20
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1
2ROTATING ANODERIGAKU RU3001.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.7514.7899.930.0596.92270022700
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.751.79599.90.4413.75.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.7514.782270022700123999.930.207350.207350.206410.22479RANDOM23.593
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]
-0.06-0.060.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.646
r_dihedral_angle_3_deg11.179
r_dihedral_angle_4_deg10.057
r_dihedral_angle_1_deg6.6
r_scangle_it4.865
r_scbond_it3.508
r_mcangle_it2.08
r_angle_refined_deg1.645
r_mcbond_it1.453
r_angle_other_deg0.895
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.646
r_dihedral_angle_3_deg11.179
r_dihedral_angle_4_deg10.057
r_dihedral_angle_1_deg6.6
r_scangle_it4.865
r_scbond_it3.508
r_mcangle_it2.08
r_angle_refined_deg1.645
r_mcbond_it1.453
r_angle_other_deg0.895
r_symmetry_vdw_other0.322
r_symmetry_hbond_refined0.32
r_mcbond_other0.319
r_symmetry_vdw_refined0.254
r_nbd_refined0.213
r_nbd_other0.181
r_nbtor_refined0.176
r_xyhbond_nbd_refined0.161
r_chiral_restr0.118
r_nbtor_other0.085
r_bond_refined_d0.019
r_gen_planes_refined0.009
r_gen_planes_other0.003
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms976
Nucleic Acid Atoms
Solvent Atoms177
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XDSdata scaling
SHELXSphasing