X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Details 50 MM ACETATE AT PH 4.7 CONTAINING 0.9 M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.81 α = 90
b = 78.81 β = 90
c = 38.27 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC CU KA 1995-02-08
Diffraction Radiation
Monochromator Protocol
MIRROR-MIRROR --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
1.75 100 95.0 0.0535 -- -- -- -- 12026 -- 1.0 --
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)
1.752 1.8 85.4 0.197 -- -- -- --

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
-- 1.75 6.0 -- 1.0 -- 11633 -- 91.9 -- 0.168 0.168 -- --
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.303
x_bond_d 0.009
x_angle_deg 1.472
x_dihedral_angle_d 23.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 88

Software

Computing
Computing Package Purpose
PROCESS Data Reduction (intensity integration)
PROCESS (SCALE) Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building
PROCESS version: (SCALE) data reduction
PROCESS data collection