X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Temperature 277.0
Details PROTEIN WAS CRYSTALLIZED AT 4 DEGC FROM 100MM SODIUM ACETATE PH 4.5 AND 10-12% PEG3400., temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.01 α = 90
b = 63.09 β = 90
c = 69.18 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE COLLIMATOR 1996-09-19
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.1 20 87.0 0.041 -- -- 2.64 -- 12044 -- 0.0 19.7
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)
2.1 2.26 64.0 0.14 -- 2.24 1.3 --

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
MOLECULAR REPLACEMENT 2.1 20.0 -- 0.0 -- 31786 -- 87.0 -- -- 0.181 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.01
t_dihedral_angle_d 20.09
t_incorr_chiral_ct 0.0
t_gen_planes 0.017
t_angle_deg 1.97
t_trig_c_planes 0.012
t_nbd 0.033
t_it 5.177
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1784
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 82

Software

Software
Software Name Purpose
TNT refinement
DATAC data reduction
SCALE1 data scaling
TNT phasing