X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 8.7
Details CRYSTAL WERE GROWN BY VAPOR DIFFUSION OF 10 MG/ML PROTEIN IN 100 MM TRIS-HCL PH 8.7, 40 MM CACL2 AGAINST 20% 2-PROPANOL., vapor diffusion

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.64 α = 90
b = 79.45 β = 114.53
c = 37.26 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS HUBER MONOCHROMATOR 1987-05-20
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-21 -- -- --

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
1.73 99 79.8 -- 0.0634 -- 2.7 -- 18552 -- 2.0 --
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)
1.73 1.84 41.4 -- 0.3174 2.9 2.33 --

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
DIFFERENCE MAP 1.8 10.0 -- 2.0 16735 16735 -- -- -- -- -- -- --
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 13.3
p_transverse_tor 29.5
p_staggered_tor 12.2
p_planar_tor 3.5
p_xyhbond_nbd 0.141
p_multtor_nbd 0.138
p_bond_d 0.019
p_angle_d 0.029
p_planar_d 0.039
p_mcbond_it 0.6
p_mcangle_it 0.982
p_scbond_it 1.797
p_scangle_it 2.579
p_plane_restr 0.019
p_chiral_restr 0.217
p_singtor_nbd 0.161
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1933
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 198

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
PROLSQ, PROFFT Structure Solution
PROFFT, PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
PROFFT refinement
PROLSQ/PROFFT model building
XENGEN data reduction
XENGEN data collection