X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details PROTEIN WAS CRYSTALLIZED FROM 18% PEG 8000, 0.1M SODIUM CACODYLATE, PH 6.5, 0.2M MAGNESIUM ACETATE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.23 α = 90
b = 53.03 β = 112.59
c = 103.09 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-10
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, HAMBURG X31

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
1.9 -- 97.0 0.038 -- -- 3.0 -- 31103 -- -- 13.0
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)
1.9 1.97 95.0 0.114 -- 9.0 2.8 --

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
MULTIPLE ISOMORPHOUS REPLACEMENT 1.9 12.5 -- 0.0 -- 30997 1567 96.0 -- -- 0.198 0.239 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.0
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 43.0
p_staggered_tor 17.7
p_planar_tor 3.4
p_xyhbond_nbd 0.193
p_multtor_nbd 0.22
p_bond_d 0.005
p_angle_d 0.021
p_planar_d 0.019
p_mcbond_it 0.696
p_mcangle_it 1.137
p_scbond_it 0.829
p_scangle_it 1.352
p_plane_restr 0.017
p_chiral_restr 0.071
p_singtor_nbd 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2813
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 295

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
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
DENZO data collection