X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9
Details 4 MICROLITERS PROTEIN (10 MG/ ML IN 50 MM TRISHCL, CH(3)HGCL,1% BME AT PH 9.0) MIXED WITH 4 MICROLITERS WELL BUFFER (1.8 (NH4)2SO4, 0.5 M NACL, 0.1 M TRISHCL, 0.25 BME) AT 4 DEG. C

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.17 α = 90
b = 72.38 β = 90
c = 75.55 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS HI-STAR -- 1997-07-09
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
1.91 20 94.0 0.066 -- -- 1.3 -- 17378 -- 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)
2.3 2.4 62.3 0.31 -- 2.3 -- --

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 10.0 -- 4.0 11361 -- -- -- 0.168 -- -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1476
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 130

Software

Software
Software Name Purpose
XTAL3.0 model building
SHELXL-97 refinement
SADIE data reduction
SAINT data scaling
XTAL phasing version: V. 3.0