6HGE

Crystal structure of Alpha1-antichymotrypsin variant NewBG-I in the uncleaved S-conformation


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2930.2 M NaCl, 0.1 M Tris-HCl, pH 8.5, 25 % PEG 3350 supplemented with 10 % of a 0.5 M NaF solution, and additional 0.1 ul of a silver bullets bio reagent mixture consisting of thymidine, adenosine 3,5-cyclic monophosphate sodium salt monohydrate, sarcosine, 4-aminobenzoic acid, acarbose, inosine, 0.02 M HEPES sodium pH 6.8
Crystal Properties
Matthew coefficientSolvent content
2.4649.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58α = 90
b = 124.71β = 90.91
c = 127.5γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2011-09-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.10.91841BESSY14.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rrim I (All)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
12.834.53898.10.09115.313.8643876
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.82.970.5812.62

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1YXA2.834.5381.9943864438798.120.1920.18440.2624
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
f_dihedral_angle_d25.322
f_angle_d1.04
f_chiral_restr0.053
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11519
Nucleic Acid Atoms
Solvent Atoms58
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing