X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details CRYSTALS WERE GROWN FROM 25% POLYETHYLENE GLYCOL SOLUTION AT PH 4.0.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.12 α = 90
b = 81.12 β = 90
c = 118.68 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MACSCIENCE -- 1995-11-20
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
1.8 50 94.7 0.062 -- -- 5.23 -- 35468 -- 0.5 --

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
-- 1.8 6.0 -- 1.0 -- 34347 -- -- -- -- 0.172 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.49
RMS Deviations
Key Refinement Restraint Deviation
p_plane_restr 0.014
p_bond_d 0.014
p_mcangle_it 1.792
p_angle_d 0.027
p_planar_d 0.04
p_scangle_it 2.935
p_planar_tor 2.6
p_multtor_nbd 0.147
p_scbond_it 1.997
p_staggered_tor 14.8
p_chiral_restr 0.166
p_singtor_nbd 0.167
p_xyhbond_nbd 0.164
p_transverse_tor 27.6
p_mcbond_it 1.128
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1988
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 271

Software

Software
Software Name Purpose
DENZO data reduction
X-PLOR model building version: 3.1
PROLSQ refinement
X-PLOR refinement version: 3.1
X-PLOR phasing version: 3.1