X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 300.0
Details ammonium sulfate, PEG 400, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126 α = 90
b = 45.9 β = 97.6
c = 41.7 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 MARRESEARCH -- 2001-06-17
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 0.9999 APS 17-ID

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 50 98.0 -- 0.057 -- 3.6 15767 15767 0.0 0.0 25.6
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)
2.0 2.05 83.0 -- 0.121 7.5 2.6 --

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
MAD 2.0 10.0 -- 0.0 14850 14850 800 -- 0.168 0.168 0.165 0.218 random
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.019
p_mcbond_it 4.2
p_chiral_restr 0.122
p_scbond_it 10.8
p_scangle_it 13.7
p_plane_restr 0.008
p_angle_d 1.788
p_mcangle_it 7.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.162
Luzzati ESD (R-Free Set) 0.154
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1544
Nucleic Acid Atoms 0
Heterogen Atoms 37
Solvent Atoms 207

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MLPHARE phasing
REFMAC refinement