X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 9
Details CRYSTAL WERE GROWN BY VAPOR DIFFUSION OF 10 MG/ML PROTEIN IN 50 MM GLYCINE PH 9.0 (1 MM EDTA, 25 MM CACL2 OF 50 MM KCL) AGAINST 2-PROPANOL OR ACETONE., 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 1987-04-22
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
1.75 10 78.6 -- 0.0548 -- 2.7 -- 17227 -- 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)
1.75 1.86 55.9 -- 0.3234 1.4 -- --

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 31520 14232 -- -- -- -- 0.148 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_planar_tor 3.5
p_bond_d 0.02
p_mcangle_it 1.009
p_scbond_it 1.757
p_scangle_it 2.551
p_chiral_restr 0.203
p_transverse_tor 29.4
p_plane_restr 0.02
p_staggered_tor 12.4
p_singtor_nbd 0.162
p_planar_d 0.04
p_angle_d 0.03
p_multtor_nbd 0.134
p_mcbond_it 0.615
p_xyhbond_nbd 0.145
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1950
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 198

Software

Software
Software Name Purpose
XENGEN data collection
XENGEN data reduction
PROLSQ/PROFFT model building
PROFFT refinement
PROLSQ refinement
XENGEN data scaling