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_bond_d 0.02
p_angle_d 0.03
p_mcbond_it 0.615
p_transverse_tor 29.4
p_plane_restr 0.02
p_scbond_it 1.757
p_xyhbond_nbd 0.145
p_singtor_nbd 0.162
p_staggered_tor 12.4
p_chiral_restr 0.203
p_planar_tor 3.5
p_mcangle_it 1.009
p_multtor_nbd 0.134
p_planar_d 0.04
p_scangle_it 2.551
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1936
Nucleic Acid Atoms 0
Heterogen Atoms 11
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
PROLSQ/PROFFT model building
PROFFT refinement
XENGEN data collection
XENGEN data reduction