X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 0.4M SODIUM POTASSIUM TARTRATE, PH 7.5. PROTEIN CONC. 6MG/ML. CRYSTALLIZATION TIME 2-3 WEEKS.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 27.69 α = 107.53
b = 28.34 β = 96.83
c = 36.83 γ = 104.51
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 300
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC MSC/YALE MIRRORS 1996-02
Diffraction Radiation
Monochromator Protocol
-- --
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
2.5 32 97.0 0.106 -- -- 6.2 -- 3406 -- 4.0 --
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)
2.5 2.6 92.0 0.397 -- 3.3 1.8 --

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
MOLECULAR REPLACEMENT 2.5 32.0 -- 2.0 -- 2927 140 83.4 -- -- 0.193 0.27 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL
RMS Deviations
Key Refinement Restraint Deviation
t_gen_planes 0.007
t_bond_d 0.005
t_nbd 0.017
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 22.352
t_trig_c_planes 0.004
t_angle_deg 1.54
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 984
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 35

Software

Software
Software Name Purpose
ALMN model building
TNT refinement version: 5E
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing version: (ALMN)