X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.6 α = 60
b = 51.5 β = 81.4
c = 51.6 γ = 69.6
Symmetry
Space Group P 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1994-09-06
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- 1.5418 -- --

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
-- -- 93.6 0.059 -- -- 1.9 -- 24515 -- -- --

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
-- 1.9 10.0 -- -- -- 24401 -- -- -- 0.202 -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.6
RMS Deviations
Key Refinement Restraint Deviation
p_orthonormal_tor 42.83
p_staggered_tor 20.39
p_planar_tor 4.82
p_xhyhbond_nbd 0.186
p_multtor_nbd 0.272
p_bond_d 0.014
p_angle_d 0.047
p_planar_d 0.05
p_mcbond_it 1.49
p_mcangle_it 2.33
p_scbond_it 2.57
p_scangle_it 4.18
p_plane_restr 0.024
p_chiral_restr 0.039
p_singtor_nbd 0.195
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2754
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 149

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
X-PLOR Structure Solution
PROLSQ, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
PROLSQ refinement
X-PLOR model building