4RTD | pdb_00004rtd

Escherichia coli alpha-2-macroglobulin activated by porcine elastase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52890.1 M potassium chloride, 25% SOKALAN CP7, 0.1 M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.6553.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 176.065α = 90
b = 176.065β = 90
c = 161.131γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2014-05-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I030.97620DiamondI03

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
13.6546.8799.90.07713.226.620753207532.12.1
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)
13.65499.90.7442.126.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT3.6546.872075319679103399.910.180420.180420.177460.18340.238310.2388RANDOM144.38
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]
0.460.230.46-1.5
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.85
r_dihedral_angle_3_deg16.308
r_long_range_B_refined15.889
r_long_range_B_other15.888
r_dihedral_angle_4_deg15.881
r_mcangle_it10.552
r_mcangle_other10.551
r_scangle_other10.19
r_dihedral_angle_1_deg7.475
r_mcbond_it6.51
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8699
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
EDNAdata collection
AutoSolphasing
REFMACrefinement
XDSdata reduction
Aimlessdata scaling