2R73

Crystal Structure of the Possum Milk Whey Lipocalin Trichosurin at pH 8.2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.229112% PEG 4000, 200mM LiSO4, 100mM Tris-HCl, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthew coefficientSolvent content
2.2846.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.156α = 90
b = 101.156β = 90
c = 140.557γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray113IMAGE PLATEMAR scanner 345 mm platemirrors.2002-06-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5419

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
12.5201000.08533.920.242592225922
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)
2.52.591000.5166.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2R742.520258642586425551000.2170.269random
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
c_mcangle_it2.798
c_scbond_it2.244
c_mcbond_it1.635
c_angle_deg1.236
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4845
Nucleic Acid Atoms
Solvent Atoms187
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
CNSrefinement
DENZOdata reduction
HKL-2000data scaling