1OK3

Decay accelerating factor (cd55): the structure of an intact human complement regulator.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1H03PDB ENTRY 1H03

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.60.2 M AMMONIUM SULPHATE, 20% M-PEG 5K, 0.1M SODIUM ACETATE PH 4.6, 16% GLYCEROL
Crystal Properties
Matthews coefficientSolvent content
2.5342

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.67α = 86.47
b = 55.08β = 84.37
c = 61.65γ = 64.91
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2002-11-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.6SRSPX9.6

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
12.24593.50.0966.37.4263422.595
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)
12.22.3293.10.361.97.2

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 (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1H032.225263242632493.50.211RANDOM
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
t_dihedral_angle_d19.59
t_it1.2
t_angle_deg0.801
t_nbd0.059
t_gen_planes0.018
t_trig_c_planes0.01
t_bond_d0.007
t_incorr_chiral_ct
t_pseud_angle
t_omega_torsion
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d19.59
t_it1.2
t_angle_deg0.801
t_nbd0.059
t_gen_planes0.018
t_trig_c_planes0.01
t_bond_d0.007
t_incorr_chiral_ct
t_pseud_angle
t_omega_torsion
t_other_torsion
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3930
Nucleic Acid Atoms
Solvent Atoms261
Heterogen Atoms80

Software

Software
Software NamePurpose
SHARPmodel building
TNTrefinement
SCALAdata scaling
MOLREPphasing
BUSTERphasing
TNTphasing
SHARPphasing
DMphasing
SOLOMONphasing
SIGMAAphasing