X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.1
Details PROTEIN WAS CRYSTALLIZED FROM 20% PEG 4000, 100 MM POTASSIUM ACETATE, 100 MM MES, PH 6.1

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.27 α = 90
b = 66.96 β = 103.77
c = 69.48 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1996-02-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.85 100 91.3 0.032 0.032 -- 2.06 -- 29508 -- 1.0 --
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)
1.85 1.97 73.9 0.074 0.074 6.7 1.47 --

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
MIR 1.85 10.0 -- 1.0 -- 29267 -- 91.3 -- -- 0.151 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.8
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 22.0
p_staggered_tor 15.5
p_planar_tor 2.9
p_xyhbond_nbd 0.199
p_multtor_nbd 0.201
p_bond_d 0.018
p_angle_d 0.035
p_planar_d 0.037
p_mcbond_it 0.96
p_mcangle_it 1.534
p_scbond_it 1.454
p_scangle_it 2.399
p_plane_restr 0.017
p_chiral_restr 0.166
p_singtor_nbd 0.203
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3488
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 337

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
PHASES Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
PHASES model building