X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.3
Temperature 291.0
Details 30% Peg 4000, pH 7.3, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.93 α = 90
b = 57.93 β = 90
c = 88.54 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
2 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-07-25
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.97964 ESRF BM30A

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
1.54 28.98 86.2 -- -- -- 3.6 19640 18518 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)
1.54 1.62 82.1 0.299 -- 2.2 2.5 --

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
isomorphous 1.54 27.53 -- 2.0 19640 18518 982 86.2 0.151 0.14974 0.1476 0.1894 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 1.54 1.62 -- -- 1196 -- -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.386
Anisotropic B[1][1] 0.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.08
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 5.79
r_mcangle_it 1.501
r_scbond_it 2.185
r_bond_refined_d 0.01
r_bond_other_d 0.001
r_dihedral_angle_3_deg 12.807
r_mcbond_other 0.245
r_dihedral_angle_2_deg 29.86
r_angle_other_deg 0.883
r_mcbond_it 0.921
r_rigid_bond_restr 0.837
r_dihedral_angle_4_deg 15.77
r_scangle_it 3.209
r_gen_planes_other 0.001
r_gen_planes_refined 0.005
r_angle_refined_deg 1.23
r_chiral_restr 0.079
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1230
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 120

Software

Software
Software Name Purpose
DNA data collection
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling