X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 70-70% A.S. 210MM TRIS-HCL PH=6.5, 200MM SODIUM ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.32 α = 90
b = 61.93 β = 127.16
c = 77.42 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-11-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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 94.1 0.061 -- -- 2.6 -- 15532 -- -- 23.18
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)
2.1 2.14 91.9 0.22 -- 5.8 2.6 --

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
MOLECULAR REPLACEMENT 2.0 19.8 -- 0.0 -- 22500 727 100.0 -- 0.19 0.183 0.24 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.11
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 15.0
p_staggered_tor 17.9
p_planar_tor 4.1
p_multtor_nbd 0.261
p_bond_d 0.012
p_angle_d 0.031
p_planar_d 0.031
p_mcbond_it 3.255
p_mcangle_it 4.23
p_scbond_it 7.227
p_scangle_it 10.036
p_plane_restr 0.024
p_singtor_nbd 0.214
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2210
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 148

Software

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