X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.1
Temperature 180.0
Details MES 61mM pH 6.1, Glycerol 25% v/v, PEG 400 10% v/v, 3mg/mL PEP, VAPOR DIFFUSION, HANGING DROP, temperature 180K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.9 α = 90
b = 117.9 β = 90
c = 117.9 γ = 90
Symmetry
Space Group I 2 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 180
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II -- 1996-12-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --

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
2.6 30 90.1 0.066 -- -- 2.3 18541 7645 0.0 1.0 51.113
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)
2.6 2.7 85.3 0.066 -- -- 3.4 692

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
MOLECULAR REPLACEMENT 2.8 8.0 -- 3.0 7985 6811 317 -- -- 0.231 0.228 0.281 random
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 2.5
x_bond_d 0.016
x_dihedral_angle_d 26.1
x_improper_angle_d 2.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2167
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 15

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
AMORE model building
X-PLOR version: 3.1 refinement