X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Temperature 294.0
Details 200 mM ammonium tartrate and 20% (w/v) PEG3350, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.23 α = 90
b = 256.28 β = 109.86
c = 126.68 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 MIRRORS 2010-06-04
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A -- NSLS X29A

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
2.8 30 91.0 0.092 -- -- 2.8 -- 128744 -- -3.0 --
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)
2.8 2.9 94.4 0.465 -- 2.1 2.8 --

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 2.8 30.0 -- 0.0 141000 122029 6458 91.0 -- 0.212 0.209 0.279 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 2.8 2.95 -- 897 18396 0.257 0.353 -- 94.21
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 84.5
Anisotropic B[1][1] 1.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.74
Anisotropic B[2][2] 0.71
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.66
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.831
r_scbond_it 2.969
r_mcangle_it 1.769
r_mcbond_it 0.941
r_gen_planes_refined 0.011
r_chiral_restr 0.105
r_dihedral_angle_4_deg 21.655
r_dihedral_angle_3_deg 23.284
r_dihedral_angle_2_deg 39.967
r_dihedral_angle_1_deg 8.553
r_angle_refined_deg 1.359
r_bond_refined_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 32373
Nucleic Acid Atoms 0
Heterogen Atoms 107
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0102 refinement
CNS model building
CBASS data collection