X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.0
Details 28 - 32% OF SATURATED AMMONIUM SULFATE, 0.1 M SODIUM ACETATE, DI-THIO-THREITOL, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.59 α = 90
b = 127.89 β = 102.8
c = 39.66 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 2000-04-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
1.48 30 80.0 0.052 -- -- 2.2 163216 50736 1.0 1.0 15.2
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)
1.48 1.53 27.0 0.32 -- 2.5 1.6 --

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
-- 1.5 20.0 -- 1.0 -- 50223 1293 80.0 -- -- 0.183 0.237 random
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 0.031
p_plane_restr 0.013
p_transverse_tor 23.3
p_mcbond_it 1.4
p_planar_d 0.038
p_scangle_it 3.1
p_staggered_tor 14.7
p_chiral_restr 0.089
p_scbond_it 2.1
p_singtor_nbd 0.18
p_xyhbond_nbd 0.12
p_multtor_nbd 0.26
p_planar_tor 7.0
p_bond_d 0.019
p_mcangle_it 2.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3454
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 465

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SnB phasing
SHARP phasing
DM model building
WARP model building
REFMAC refinement
DM phasing