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_mcangle_it 2.1
p_staggered_tor 14.7
p_xyhbond_nbd 0.12
p_angle_d 0.031
p_planar_tor 7.0
p_transverse_tor 23.3
p_chiral_restr 0.089
p_singtor_nbd 0.18
p_bond_d 0.019
p_mcbond_it 1.4
p_planar_d 0.038
p_multtor_nbd 0.26
p_scbond_it 2.1
p_plane_restr 0.013
p_scangle_it 3.1
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHAKE-N-BAKE, SHARP,DM,WARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
DENZO data collection
SHARP model building
DM model building
WARP model building
REFMAC refinement
SNB model building
SCALEPACK data reduction