X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.5
Details PROTEIN WAS CRYSTALLIZED BY SITTING DROP VAPOUR DIFFUSION FROM 20% PEG 3350, 0.15 M CACL2, 0.1M IMIDAZOLE- ACETATE PH 5.5 0.002 M SODIUM AZIDE, vapor diffusion - sitting drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.25 α = 104.6
b = 105.18 β = 108.95
c = 71.14 γ = 71.47
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1998-02-20
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
2.1 20 91.2 0.098 -- -- 5.2 -- 110459 -- 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 2.1 20.0 -- 0.0 -- 110459 5530 91.2 -- 0.199 0.195 0.255 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.013
p_angle_d 3.0
p_planar_d 27.5
p_mcbond_it 1.98
p_mcangle_it 3.7
p_scbond_it 5.1
p_scangle_it 6.53
p_chiral_restr 3.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12680
Nucleic Acid Atoms 0
Heterogen Atoms 419
Solvent Atoms 496

Software

Computing
Computing Package Purpose
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
REFMAC, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
REFMAC refinement
X-PLOR model building
SCALEPACK data reduction