5FO9

Crystal Structure of Human Complement C3b in Complex with CR1 (CCP15- 17)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2I07PDB ENTRIES 2I07, 1GKN, 1GKG
experimental modelPDB 1GKNPDB ENTRIES 2I07, 1GKN, 1GKG
experimental modelPDB 1GKGPDB ENTRIES 2I07, 1GKN, 1GKG

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18% PEG 3350 35MM BIS-TRIS PH 5.5
Crystal Properties
Matthews coefficientSolvent content
4.2771.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.32α = 82.74
b = 113.71β = 71.77
c = 138.52γ = 80.95
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUSMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-1ESRFID23-1

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
13.360.1598.40.163.81.9880611.574.36
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)
13.33.4898.20.621.41.9

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRIES 2I07, 1GKN, 1GKG3.360.1531.9688022442398.370.25250.25050.2913143
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.964
f_angle_d0.829
f_chiral_restr0.056
f_plane_restr0.004
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms27378
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms28

Software

Software
Software NamePurpose
PHENIXrefinement
iMOSFLMdata reduction
SCALAdata scaling
PHASERphasing