1OK2

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, 10% GLYCEROL
Crystal Properties
Matthews coefficientSolvent content
2.5950

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.58α = 86.56
b = 55.62β = 84.44
c = 61.53γ = 64.22
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2002-05-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2RELETTRA5.2R

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
12.519990.0715.47183100.239

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 1H032.5191828318283990.229RANDOM
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_d19.85
t_it1.17
t_angle_deg0.981
t_nbd0.122
t_gen_planes0.018
t_bond_d0.01
t_trig_c_planes0.007
t_incorr_chiral_ct
t_pseud_angle
t_omega_torsion
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d19.85
t_it1.17
t_angle_deg0.981
t_nbd0.122
t_gen_planes0.018
t_bond_d0.01
t_trig_c_planes0.007
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 Atoms275
Heterogen Atoms80

Software

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