X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 290.0
Details VAPOUR DIFFUSION, SITTING DROP, 10 MG/ML IN PBS CONTAINING UP TO 20 MM MANNOBIOSE, EQUILIBRATED AGAINST 40 - 60% AMMONIUM SULPHATE. 17 DEG. C, 4 - 6 DAYS, pH 6.5, vapor diffusion - sitting drop, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.3 α = 90
b = 101.2 β = 90
c = 37.3 γ = 90
Symmetry
Space Group C 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRROR, MONOCHROMATOR 1996-09-19
Diffraction Radiation
Monochromator Protocol
SI (111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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 60 98.6 0.067 0.07 -- 2.9 -- 9490 -- -- 20.1
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 2.12 98.5 0.273 0.276 2.2 2.9 --

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 10.0 -- 0.0 -- 8984 457 98.6 -- -- 0.187 0.267 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.6
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 17.1
p_staggered_tor 16.5
p_planar_tor 8.9
p_multtor_nbd 0.207
p_bond_d 0.015
p_angle_d 0.037
p_planar_d 0.039
p_mcbond_it 2.04
p_mcangle_it 2.82
p_scbond_it 2.08
p_scangle_it 3.06
p_plane_restr 0.015
p_chiral_restr 0.14
p_singtor_nbd 0.185
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 858
Nucleic Acid Atoms 0
Heterogen Atoms 107
Solvent Atoms 97

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building
SCALA data reduction
MOSFLM data collection