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_scbond_it 1.454
p_singtor_nbd 0.203
p_mcangle_it 1.534
p_transverse_tor 22.0
p_multtor_nbd 0.201
p_planar_d 0.037
p_mcbond_it 0.96
p_bond_d 0.018
p_plane_restr 0.017
p_scangle_it 2.399
p_staggered_tor 15.5
p_xyhbond_nbd 0.199
p_angle_d 0.035
p_planar_tor 2.9
p_chiral_restr 0.166
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3855
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 337

Software

Software
Software Name Purpose
PHASES phasing
PROLSQ refinement
XENGEN data reduction
XENGEN data scaling