X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Temperature 293.0
Details 12-15% Peg4000, 80mM Cacodylate, 200mM Magnesium Acetate, 75mM Ammonium Sulphate, 0.2% Octyl glucoside, 20% Glycerol, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.11 α = 90
b = 94.11 β = 90
c = 81.78 γ = 120
Symmetry
Space Group P 31 1 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-06-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B 0.987 NSLS X12B

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
2.4 25 99.4 -- 0.043 -- -- 16342 16245 2.0 2.0 --
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)
2.4 2.53 98.9 -- 0.283 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
MOLECULAR REPLACEMENT 2.4 25.0 -- 0.0 16342 15426 819 99.42 0.21812 0.21812 0.21582 0.26447 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 2.4 2.462 -- 59 1098 0.274 0.282 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 44.845
Anisotropic B[1][1] 1.02
Anisotropic B[1][2] 0.51
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.52
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.744
r_bond_refined_d 0.009
r_angle_refined_deg 1.024
r_dihedral_angle_1_deg 4.691
r_chiral_restr 0.069
r_gen_planes_refined 0.003
r_nbd_refined 0.189
r_xyhbond_nbd_refined 0.147
r_symmetry_vdw_refined 0.149
r_symmetry_hbond_refined 0.2
r_mcbond_it 0.341
r_mcangle_it 0.658
r_scbond_it 1.059
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2743
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 73

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement