X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 283.0
Details 28% PEG 4000, 0.2M ammonium sulfate, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.95 α = 90
b = 85.56 β = 90
c = 90.03 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 MX225HE -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 31-ID 0.97929 APS 31-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
1.4 20.93 99.2 -- 0.083 -- 7.1 61359 61191 -- 3.0 18.3
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)
1.4 1.48 98.0 -- -- 1.9 6.9 8724

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
FOURIER SYNTHESIS 1.4 20.93 -- -- -- 58024 3094 99.17 -- 0.21985 0.2188 0.24017 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 1.4 1.436 -- 254 4124 0.322 0.303 -- 97.75
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.42
Anisotropic B[1][1] -0.18
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] 0.39
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.636
r_scbond_it 0.977
r_mcangle_it 0.705
r_mcbond_it 0.361
r_gen_planes_refined 0.003
r_chiral_restr 0.061
r_dihedral_angle_4_deg 17.45
r_dihedral_angle_3_deg 11.675
r_dihedral_angle_2_deg 35.551
r_dihedral_angle_1_deg 4.544
r_angle_refined_deg 0.914
r_bond_refined_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2175
Nucleic Acid Atoms 0
Heterogen Atoms 37
Solvent Atoms 297

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.5.0072 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0072 refinement
CNS model building