X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Dialaysis
pH 7.7
Temperature 277.0
Details 25 MM TRIS/HCL, PH 7.7 8% (V/V) MPD 6.5% (V/V) ETHANOL DIALYSED AGAINST A 200 MG/ML SOLUTION OF PROTEIN AT 277 K., dialaysis

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 138.86 α = 90
b = 87.01 β = 90
c = 73.35 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC 0.3 MM COLLIMATOR 1994-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --

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
2.8 50 97.0 0.048 0.048 -- 3.7 -- 22017 -- 3.0 62.0
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)
2.8 2.9 95.9 0.31 0.31 4.0 3.7 --

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 2.8 30.0 -- -- 21872 21872 2106 97.0 0.232 0.232 0.217 0.28 A POSTERIORI
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model BCORREL WITH MODIFICATIONS
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.092
t_it 1.81
t_gen_planes 0.013
t_trig_c_planes 0.007
t_pseud_angle 0.0
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 17.3
t_angle_deg 1.542
t_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5310
Nucleic Acid Atoms 0
Heterogen Atoms 135
Solvent Atoms 50

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
TNT version: 5E refinement
CCP4 model building
SCALEPACK data reduction
DENZO data collection