X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 290.0
Details 0.75-0.9M POTASSIUM TARTRATE, 50MM MES SODIUM, pH 6.50, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.91 α = 90
b = 84.52 β = 90
c = 35.28 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-11-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.2 38 98.0 0.128 -- -- 11.3 11606 11590 -- 3.0 24.9
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)
2.21 2.33 90.6 0.47 -- 2.9 3.6 --

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
MR 2.2 38.0 -- 0.0 11606 11590 600 98.0 -- 0.265 0.257 0.292 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.9
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 29.6
p_staggered_tor 16.4
p_planar_tor 2.2
p_xyhbond_nbd 0.164
p_multtor_nbd 0.25
p_bond_d 0.006
p_angle_d 0.024
p_planar_d 0.019
p_mcbond_it 1.269
p_mcangle_it 2.014
p_scbond_it 3.476
p_scangle_it 4.753
p_plane_restr 0.0162
p_chiral_restr 0.087
p_singtor_nbd 0.184
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1380
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 55

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