X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 289.0
Details 0.2M Li2SO4, 0.1M Bicine (pH8.5), 25% (w/v) PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 170.37 α = 90
b = 367.07 β = 90
c = 61.14 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2009-06-07
Diffraction Radiation
Monochromator Protocol
Numerical link type Si(111) double crystal monochromator, direct water cooling using micro-channel (1st crystal), indirect water cooling (2nd crystal) Single wavelength
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-5A 0.9 PHOTON FACTORY BL-5A

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 39.8 100.0 0.082 -- -- 7.0 78537 78537 0.0 0.0 --
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)
3.0 3.11 100.0 0.314 -- 6.3 7.1 --

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 3.0 39.8 -- -- 74438 74302 3931 99.8 -- 0.27249 0.27069 0.30593 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 3.0 3.077 -- 267 5001 0.389 0.448 -- 99.79
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 70.066
Anisotropic B[1][1] -1.61
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.23
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.38
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.008
r_chiral_restr 0.117
r_dihedral_angle_4_deg 19.391
r_dihedral_angle_3_deg 21.053
r_dihedral_angle_2_deg 37.111
r_dihedral_angle_1_deg 8.554
r_angle_refined_deg 1.867
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 21176
Nucleic Acid Atoms 0
Heterogen Atoms 78
Solvent Atoms 38

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
COMO Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
COMO model building
ADSC version: Quantum data collection