X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.8
Details 4 MICROLITERS PROTEIN (10 MG/ML IN 200 MM NACL, 1 MM DTT, 20 MM HEPES, PH 7.4) MIXED WITH 4 MICROLITERS WELL BUFFER (18-20% PEG 3350, 0.025% BETA-OCTYLGLUCOSIDE, 0.11 M SODIUM CITRATE, PH 5.8)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.51 α = 90
b = 43.51 β = 90
c = 117.1 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRRORS 1997-08
Diffraction Radiation
Monochromator Protocol
NI FILTER --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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
2.1 -- 98.3 0.067 0.067 -- 3.0 -- 12551 -- -- 34.0
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)
2.1 2.18 100.0 0.372 0.372 3.0 3.0 --

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
MIR 2.3 99.0 -- 0.0 -- 9429 467 97.8 -- 0.227 0.227 0.296 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 2.3 2.33 -- 16 290 0.339 0.429 0.107 99.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 36.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 1.9
x_scbond_it 1.0
x_angle_deg 1.59
x_improper_angle_d 1.54
x_dihedral_angle_d 24.9
x_mcbond_it 1.0
x_mcangle_it 1.9
x_bond_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1329
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 82

Software

Software
Software Name Purpose
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.851