2R74 | pdb_00002r74

Crystal Structure of the Possum Milk Whey Lipocalin Trichosurin at pH 4.6


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2A2U2A2U rat major urinary protein alpha2u-globulin

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.62918% 2-propanol, 200mM CaCl2, 100mM NaOAc, pH 4.6, vapor diffusion, hanging drop, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.2645.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.85α = 90
b = 44.58β = 101.5
c = 70.41γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray113IMAGE PLATEMAR scanner 345 mm platemirrors2002-02-12MSINGLE 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
11.92595.10.04317.64.032664526645
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)
1.91.9788.90.196.6

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT2A2U rat major urinary protein alpha2u-globulin1.9252803525910257692.50.2140.20.2420.23random29.609
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]
-0.0610.041-0.0190.08
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.293
c_mcangle_it2.361
c_scbond_it2.19
c_mcbond_it1.499
c_angle_deg1.283
c_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2350
Nucleic Acid Atoms
Solvent Atoms170
Heterogen Atoms7

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection