X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.9
Temperature 279.0
Details (NH4)2SO4, NAH2PO4, K2HPO4, ACETONE, pH 6.9, VAPOR DIFFUSION, SITTING DROP, temperature 279K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.82 α = 90
b = 162.99 β = 90
c = 35.27 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-11-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 1.28 NSLS X26C

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
1.6 50 91.7 0.062 0.062 -- 6.3 58862 53993 0.0 0.0 16.2
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)
1.6 1.66 64.5 0.301 0.301 3.8 -- --

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 1.6 50.0 -- 0.0 58862 53993 2732 91.7 -- 0.1966 0.1966 0.217 random
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -2.842
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.658
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.184
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.1
c_bond_d 0.004
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2630
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 348

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
CNS refinement
HKL-2000 data reduction
CNS phasing