2ZNH

Crystal Structure of a Domain-Swapped Serpin Dimer


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829520% PEG3350, 0.2M tri-potassium citrate, pH8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.362.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.35α = 90
b = 99.88β = 100.62
c = 92.46γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210mirrors2008-03-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.919DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.845.499.70.1480.1484.46315253143172.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.82.9599.70.5020.5023.26.14571

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1E042.843.7731424160399.50.2010.2010.247RANDOM40.2
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]
3.6816.26-9.185.5
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.9
c_scangle_it3.03
c_mcangle_it2.3
c_scbond_it1.9
c_angle_deg1.4
c_mcbond_it1.32
c_improper_angle_d0.9
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6348
Nucleic Acid Atoms
Solvent Atoms91
Heterogen Atoms160

Software

Software
Software NamePurpose
CNSrefinement
GDAdata collection
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing