X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 80MM SUCCINATE, PH 5.5, 20% MPD, 5% ISOPROPANOL, 4% PEG 8000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.8 α = 90
b = 126.5 β = 95.6
c = 75.1 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1998-07-01
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 0.946, 0.999, 1.001 ALS 5.0.2

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
2.6 20 92.6 -- 0.0068 -- 3.0 -- 93352 -- -- 62.8
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)
2.6 2.7 79.5 -- 0.0344 3.2 -- --

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
MIRAS 2.6 20.0 -- 0.0 -- 33278 1916 92.6 -- -- 0.213 0.285 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.6 2.7 -- 128 1743 0.031 0.0318 -- 79.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 60.3
Anisotropic B[1][1] 18.9
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 13.1
Anisotropic B[2][2] 7.9
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.4
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.009
x_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 20.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5787
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 187

Software

Software
Software Name Purpose
PHASES phasing
MADPHSREF model building
X-PLOR refinement version: 3.8
DENZO data reduction
SCALEPACK data scaling
MADPHSREF phasing