X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 288.0
Details Lithium sulfate, HEPES, Sodium chloride, Magnesium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.49 α = 90
b = 50.12 β = 122.68
c = 70.38 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-09-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 1.100 NSLS X26C

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
1.35 40 91.7 -- 0.062 -- 4.5 49330 49330 -- 0.0 11.1
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)
1.35 1.37 55.4 -- 0.214 -- 2.0 1464

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
Difference fourier 1.35 40.0 -- 0.0 49330 49330 2456 91.7 -- -- 0.1281 0.169 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.5
RMS Deviations
Key Refinement Restraint Deviation
s_non_zero_chiral_vol 0.061
s_angle_d 0.031
s_rigid_bond_adp_cmpnt 0.004
s_bond_d 0.016
s_similar_adp_cmpnt 0.031
s_from_restr_planes 0.0236
s_similar_dist 0.077
s_zero_chiral_vol 0.052
s_anti_bump_dis_restr 0.017
s_approx_iso_adps 0.071
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.11
Number Disordered Residues 9.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2110.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1761
Nucleic Acid Atoms 0
Heterogen Atoms 37
Solvent Atoms 309

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
SHELXL-97 refinement
CNS phasing