X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 296.0
Details 26% PEG 3350, 0.1M HEPES, 0.2M Sodium chloride, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 122.11 α = 90
b = 124.13 β = 90
c = 245.33 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 ADSC QUANTUM 315 -- 2010-02-01
Diffraction Radiation
Monochromator Protocol
Rotated-inclined double-crystal monochromator, Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU 1.0000 SPring-8 BL41XU

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
3.4 70.99 99.8 0.138 -- -- 7.2 52024 52024 0.0 0.0 73.428
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)
3.4 3.58 100.0 0.407 -- 4.6 7.4 7506

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 3.4 70.99 -- 0.0 49208 49208 2651 99.6 0.19997 0.19997 0.19787 0.23914 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 3.4 3.488 3792 207 3585 0.273 0.289 -- 99.87
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 92.677
Anisotropic B[1][1] -2.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.37
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.007
r_dihedral_angle_3_deg 17.148
r_mcbond_it 0.205
r_chiral_restr 0.067
r_dihedral_angle_2_deg 37.838
r_dihedral_angle_4_deg 14.722
r_dihedral_angle_1_deg 5.176
r_scbond_it 0.608
r_gen_planes_refined 0.004
r_mcangle_it 0.398
r_angle_refined_deg 1.032
r_scangle_it 1.046
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 24131
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 71

Software

Software
Software Name Purpose
BSS data collection
MOLREP phasing
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling