X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.7
Temperature 277.0
Details 2M K/Na phosphate, NaCl, BME, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.79 α = 90
b = 54.86 β = 90
c = 88.36 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2002-06-16
Diffraction Radiation
Monochromator Protocol
mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 1.23979 SSRL BL1-5

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
1.5 22.09 95.3 0.056 0.056 -- 3.5 23577 23577 0.0 0.0 17.163
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)
1.5 1.58 77.9 0.351 0.351 2.2 2.9 2748

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 1.5 22.6 -- 0.0 23532 23532 625 95.0 -- 0.193 0.192 0.266 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.012
t_angle_deg 2.143
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1321
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 177

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
TNT refinement
CCP4 data scaling version: (SCALA)
TNT phasing