X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 1.5M TO 1.8M NACL, 20MM ACETATE, PH 4.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.36 α = 90
b = 62.62 β = 90
c = 32.55 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 173
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE WEISSENBERG -- 1998-04-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU -- SPRING-8 BL41XU

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 40 95.7 0.071 -- -- 2.9 -- 7913 -- -- --
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)
2.0 2.03 96.4 0.155 -- 8.1 2.7 --

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 2.0 8.0 -- 3.0 -- 7207 -- 89.2 -- 0.152 0.152 -- --
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 2.0 2.09 -- -- 844 0.18 -- -- 84.2
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.53
x_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1028
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 239

Software

Computing
Computing Package Purpose
X-PLOR Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR model building