2D4F

The Crystal Structure of human beta2-microglobulin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.628820% PEG4000, 25% glycerol, 0.2M ammonium acetate, 0.1M sodium acetate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 288K
Crystal Properties
Matthews coefficientSolvent content
2.244.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.649α = 90
b = 28.869β = 121.66
c = 54.756γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS VII2005-02-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E1.5418

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
11.737.9697.30.0698.13.51127918.42
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)
1.71.7987.10.4122.42.81454

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-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1LDS1.726.45107401074053896.920.208330.208330.207050.23339RANDOM16.708
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]
-0.410.080.160.33
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.279
r_dihedral_angle_4_deg20.634
r_dihedral_angle_3_deg12.429
r_dihedral_angle_1_deg6.76
r_scangle_it4.445
r_scbond_it2.731
r_mcangle_it1.631
r_angle_refined_deg1.448
r_mcbond_it0.877
r_nbtor_refined0.301
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.279
r_dihedral_angle_4_deg20.634
r_dihedral_angle_3_deg12.429
r_dihedral_angle_1_deg6.76
r_scangle_it4.445
r_scbond_it2.731
r_mcangle_it1.631
r_angle_refined_deg1.448
r_mcbond_it0.877
r_nbtor_refined0.301
r_nbd_refined0.198
r_symmetry_vdw_refined0.174
r_xyhbond_nbd_refined0.133
r_metal_ion_refined0.124
r_chiral_restr0.105
r_symmetry_hbond_refined0.078
r_bond_refined_d0.013
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms820
Nucleic Acid Atoms
Solvent Atoms65
Heterogen Atoms1

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling
MOLREPphasing