X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Temperature 277.0
Details PROTEIN WAS CRYSTALLIZED FROM 1.2 M NH2SO4, 0.2 M NACL 0.1 M NAACETATE PH 4.7, AT 4 DEGREES CELSIUS., temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 156.7 α = 90
b = 156.7 β = 90
c = 131.7 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE -- -- 1997-01
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
2.4 30 97.0 -- 0.055 -- 4.6 -- 62855 -- -3.0 27.9
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)
2.4 2.44 94.3 -- 0.251 4.7 3.8 --

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 WITH ANOMALOUS DISPERSION 2.4 30.0 -- 0.0 62855 62855 -- 97.0 -- -- 0.198 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.027
t_angle_deg 2.6
t_gen_planes 0.018
t_it 5.85
t_incorr_chiral_ct 0.0
t_bond_d 0.017
t_dihedral_angle_d 17.95
t_trig_c_planes 0.019
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5486
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 416

Software

Software
Software Name Purpose
XTALVIEW refinement
TNT refinement version: 5E
DENZO data reduction
SCALEPACK data scaling