X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.8
Details 6% PEG 4000, 20MM AMMONIUM SULPHATE, 15% GLYCEROL, 20MM SODIUM ACETATE PH 4.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.65 α = 90
b = 132.64 β = 97.11
c = 181 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
IMAGE PLATE MARRESEARCH BENT FUSED QUARTZ SINGLE SEGMENT MIRROR 1997-12-15
Diffraction Radiation
Monochromator Protocol
200MM LONG BENT, TRIANGULAR GE(111) CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
2.35 30 68.0 0.089 -- -- 1.5 -- 160789 -- -- --
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)
2.35 2.48 47.4 0.308 -- 2.4 1.2 --

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
OTHER 2.35 30.0 -- 0.0 -- 160789 8074 67.9 -- 0.209 0.209 0.256 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 2.35 2.43 -- 523 10147 0.367 0.404 0.18 46.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 48.9
Anisotropic B[1][1] -12.518
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.1509
Anisotropic B[2][2] 11.1994
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.3186
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.2
x_bond_d 0.009
x_angle_deg 1.4
x_dihedral_angle_d 24.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 29994
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 2952

Software

Software
Software Name Purpose
AMoRE phasing
FFT model building
SHELXS phasing
MLPHARE phasing
DM model building
X-PLOR refinement version: 3.851
DENZO data reduction
CCP4 data scaling version: (SCALA)
FFT phasing
DM phasing