X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Details CRYSTAL WERE GROWN BY VAPOR DIFFUSION OF 10 MG/ML PROTEIN IN 50 MM MES PH 6.5, 25 MM CACL2 AGAINST 55% 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 COLLIMATOR 1987-01-31
Diffraction Radiation
Monochromator Protocol
HUBER MONOCHROMATOR --
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 -- -- -- -- -- -- -- 14470 -- -- --

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 14470 13002 -- -- -- -- 0.145 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_scbond_it 1.309
p_mcbond_it 0.646
p_mcangle_it 1.087
p_bond_d 0.019
p_planar_tor 3.4
p_xyhbond_nbd 0.127
p_planar_d 0.036
p_special_tor 13.2
p_multtor_nbd 0.127
p_singtor_nbd 0.16
p_staggered_tor 11.8
p_transverse_tor 31.5
p_plane_restr 0.019
p_angle_d 0.03
p_scangle_it 2.019
p_chiral_restr 0.191
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1943
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 186

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/PROFFT model building
XENGEN data collection
PROFFT refinement
PROLSQ refinement
XENGEN data reduction