X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 290.0
Details sodium chloride, cholesterol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.96 α = 90
b = 94.8 β = 90
c = 65.3 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH FOCUSING MIRRORS 2001-12-17
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 0.964 LURE DW32

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
1.45 9.6 99.1 0.39 0.41 -- 3.9 -- 17432 4.0 6.0 18.4
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)
1.448 1.48 97.3 0.152 0.144 4.1 2.6 1084

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 1.45 9.6 -- 0.0 17432 16165 1089 97.9 0.13 0.127 0.127 0.1881 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 1.45 1.53 2610 -- -- 0.119 0.169 -- 98.9
X Ray Diffraction 1.53 1.66 3175 -- -- 0.109 0.163 -- 100.0
X Ray Diffraction 1.66 1.89 3718 -- -- 0.102 0.16 -- 100.0
X Ray Diffraction 1.89 2.3 3507 -- -- 0.102 0.157 -- 100.0
X Ray Diffraction 2.3 3.2 2802 -- -- 0.124 0.18 -- 100.0
X Ray Diffraction 3.2 10.0 1620 -- -- 0.17 0.24 -- 96.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.5
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.029
s_anti_bump_dis_restr 0.022
s_zero_chiral_vol 0.058
s_rigid_bond_adp_cmpnt 0.008
s_similar_dist 0.0
s_bond_d 0.012
s_from_restr_planes 0.0228
s_approx_iso_adps 0.078
s_non_zero_chiral_vol 0.059
s_similar_adp_cmpnt 0.056
Coordinate Error
Parameter Value
Number Disordered Residues 4.0
Occupancy Sum Hydrogen 747.23
Occupancy Sum Non Hydrogen 841.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 733
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 99

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
SHELXL-97 refinement
CCP4 data scaling version: (SCALA)