X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 291.0
Details PEG 4000, HEPES, Calcium chloride, Thiooligosaccharide, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.6 α = 90
b = 84.57 β = 90
c = 121.82 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 291
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-04-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.5 19.96 99.6 0.082 -- -- 3.6 22578 21271 -- 2.0 29.1
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)
2.5 2.56 98.3 0.277 -- -- 3.7 1594

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
-- 2.5 19.96 -- 0.0 21271 21271 1157 99.5 -- 0.179 0.179 0.243 based on test set used for 1fce
RMS Deviations
Key Refinement Restraint Deviation
c_torsion_impr_deg 0.78
c_torsion_deg 22.6
c_angle_deg 1.4
c_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5015
Nucleic Acid Atoms 0
Heterogen Atoms 83
Solvent Atoms 218

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.843, CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
X-PLOR version: 3.843 refinement
X-PLOR model building
SCALA data reduction
DENZO data collection