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 = 56.89 α = 90
b = 60.61 β = 90
c = 33.22 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1997-08-26
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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
1.8 -- 95.0 0.051 -- -- 2.5 -- 33258 -- 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)
1.8 1.86 87.0 0.126 -- 5.5 -- --

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
ISOMORPHOUS METHOD 1.8 8.0 -- 3.0 -- 10237 -- 93.1 -- 0.179 0.179 -- --
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 1.8 1.88 -- -- 1110 0.252 -- -- 82.8
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.009
x_improper_angle_d 1.3
x_angle_deg 1.54
x_dihedral_angle_d 24.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1025
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 159

Software

Software
Software Name Purpose
PROCESS data collection
PROCESS data reduction
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
PROCESS data scaling
X-PLOR phasing version: 3.1