X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.3
Details PROTEIN WAS CRYSTALLIZED FROM 1.3 M NA/K PHOSPHATE, PH 8.3, 5 MICRO-L PROTEIN, 14 MG/ML, 5 MICRO-L RESERVOIR

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 205.46 α = 90
b = 205.46 β = 90
c = 155.86 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 176
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-10
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE -- LURE --

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
2.4 26.54 97.3 0.08 0.08 -- 4.7 -- 117344 -- 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)
2.4 2.46 92.3 0.3 0.3 1.8 2.9 --

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 2.4 8.0 -- 2.0 -- 92319 -- 78.7 -- 0.2 0.2 0.27 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 2.4 2.51 -- -- 8408 0.25 0.3 -- 70.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.6
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.35
x_bond_d 0.009
x_angle_deg 1.51
x_dihedral_angle_d 24.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14576
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 1541

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
X-PLOR 3.843 Structure Solution
X-PLOR 3.843 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.843 refinement
X-PLOR version: 3.843 model building