X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 13-14% PEG 3350, 50 MM TRIS PH 7.0, 10 MM CALCIUM CHLORIDE 1MM SODIUM AZIDE 5MM GLY-PRO-ARG-PRO-AMIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.82 α = 90
b = 95.5 β = 96.08
c = 113.76 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 297
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1996-09
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
2.9 30 88.8 0.192 -- -- 6.0 -- 40637 -- 0.0 --

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 2.9 30.0 -- 0.0 -- 40637 -- 88.8 -- 0.241 0.241 0.318 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 30.81
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_angle_deg 1.54
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11387
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 0

Software

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