X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 277.0
Details 0.2 M calcium acetate, 20% w/v PEG3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.01 α = 90
b = 66 β = 90
c = 80.3 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD RAYONIX MX300-HS -- 2013-07-08
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID 1.000 APS 22-ID

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.85 50 99.9 0.062 -- 25.945 6.1 -- 27577 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.85 1.92 100.0 0.833 -- -- 6.1 2692

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.85 34.3 -- 0.0 -- 26139 1383 99.78 -- 0.2141 0.2125 0.2433 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.846 1.894 -- 110 1838 0.278 0.302 -- 97.94
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.463
Anisotropic B[1][1] 0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.04
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.99
r_dihedral_angle_3_deg 16.337
r_gen_planes_refined 0.012
r_dihedral_angle_1_deg 6.326
r_chiral_restr 0.135
r_bond_refined_d 0.02
r_dihedral_angle_4_deg 21.867
r_dihedral_angle_2_deg 40.744
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2182
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 84

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
PHASER phasing
REFMAC refinement version: 5.7.0029
PDB_EXTRACT data extraction version: 3.15