X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.8
Details WELL SOLUTION: 1.6 - 2.0M MGCL2, 0.1M BICINE PH 8.7 - 9.0, 15% GLYCEROL, 1MM DTT. PROTEIN: 40MG/ML, 5MM HEPES, 50MM NACL, 4MM DTT, 1:1 MIXTURE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.04 α = 90
b = 124.59 β = 124.18
c = 67.64 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 -- 1998-09-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.7 19.96 98.4 0.157 0.157 -- 6.85 -- 71562 -- 4.0 33.0
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)
1.7 1.79 89.6 0.75 0.75 1.48 4.8 --

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
SIRAS 1.7 67.42 -- 0.0 -- 67980 3621 98.3 -- -- 0.196 0.246 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.0
Anisotropic B[1][1] 1.9
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.8
Anisotropic B[2][2] -2.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3696
Nucleic Acid Atoms 0
Heterogen Atoms 37
Solvent Atoms 822

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHARP Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5 refinement
SHARP model building