X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 296.0
Details PEG 8000, HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.22 α = 90
b = 69.05 β = 90
c = 62.15 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 210 -- 2002-06-24
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 0.9474 CHESS A1

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
1.4 50 96.7 -- 0.126 -- 4.3 62479 62479 -- 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)
1.4 1.45 79.6 -- 0.409 2.4 2.3 5063

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 1.4 20.0 -- 0.0 62428 62428 1861 96.4 0.145 0.145 0.144 0.209 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.4
RMS Deviations
Key Refinement Restraint Deviation
s_bond_d 0.009
s_rigid_bond_adp_cmpnt 0.003
s_approx_iso_adps 0.085
s_angle_d 0.026
s_from_restr_planes 0.0285
s_anti_bump_dis_restr 0.016
s_similar_dist 0.0
s_zero_chiral_vol 0.065
s_similar_adp_cmpnt 0.049
s_non_zero_chiral_vol 0.066
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.08
Number Disordered Residues 19.0
Occupancy Sum Hydrogen 2673.0
Occupancy Sum Non Hydrogen 3246.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2753
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 452

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SCALEPACK data reduction
DENZO data collection
CNS model building