X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.8
Temperature 298.0
Details sodium acetate, PEGmme 2000, ammonium acetate,, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.64 α = 90
b = 154.6 β = 119.76
c = 57.24 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 85
2 85
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-08-03
IMAGE PLATE MARRESEARCH -- 1999-11-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1

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
2.2 35.8 90.3 0.093 -- -- 2.7 98218 98218 -- 1.0 35.1
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)
2.21 2.28 90.7 0.58 -- -- 2.7 48837

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
-- 2.2 35.7 0.0 0.0 27853 25137 1305 90.2 -- 0.222 0.218 0.252 5% of observed reflections
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 43.09
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 24.9
c_improper_angle_d 0.86
c_bond_d 0.007
c_angle_deg 1.35
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.49
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5268
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 370

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
EPMR phasing
CNS refinement version: 0.9
CCP4 data scaling version: (SCALA)