X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 277.15
Details 0.095M HEPES Na-Salt, 25.6% PEG 400, 0.19M CaCl2, 5% Glycerol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.21 α = 90
b = 109.41 β = 90
c = 61.22 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2010-07-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE BRUKER AXS MICROSTAR 1.5418 -- --

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
1.95 19.8 99.2 0.058 -- -- 4.17 20019 19860 -3.0 -3.0 22.176
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)
1.95 1.98 98.8 0.546 -- 6.1 3.86 869

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 1.95 19.8 -- -- 19860 18867 993 100.0 -- 0.17781 0.17516 0.22737 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 1.95 2.0 1339 70 1339 0.381 0.416 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 14.954
Anisotropic B[1][1] 0.37
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.16
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.023
r_chiral_restr 0.128
r_gen_planes_refined 0.01
r_mcbond_it 1.229
r_dihedral_angle_3_deg 15.178
r_dihedral_angle_1_deg 5.184
r_mcangle_it 2.035
r_dihedral_angle_4_deg 14.472
r_angle_refined_deg 2.051
r_scangle_it 4.874
r_dihedral_angle_2_deg 35.811
r_scbond_it 3.253
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1905
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 216

Software

Software
Software Name Purpose
MARresearch data collection version: software
Phase model building
REFMAC refinement version: 5.5.0102
XDS data reduction
XSCALE data scaling
Phase phasing