5FO8

Crystal Structure of Human Complement C3b in Complex with MCP (CCP1-4)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2I07PDB ENTRY 2I07, PDB ENTRY 3O8E
experimental modelPDB 3O8EPDB ENTRY 2I07, PDB ENTRY 3O8E

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1100MM AMMONIUM CITRATE 7% PEG 3350 5MM GLUTATHIONE 50MM BIS-TRIS PROPANE, PH 6.5
Crystal Properties
Matthews coefficientSolvent content
3.463.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.83α = 90
b = 130.63β = 90
c = 233.83γ = 90
Symmetry
Space GroupP 21 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100 MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

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
12.469.95990.096.83.8988541.542.69
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)
12.42.4496.20.4122.9

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 ENTRY 2I07, PDB ENTRY 3O8E2.457.021.3498766492598.810.18950.18790.218867
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_d15.853
f_angle_d0.851
f_chiral_restr0.057
f_bond_d0.005
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13118
Nucleic Acid Atoms
Solvent Atoms492
Heterogen Atoms195

Software

Software
Software NamePurpose
PHENIXrefinement
iMOSFLMdata reduction
Aimlessdata scaling
PHASERphasing