X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 100 MM TRIS-HCL (PH 8.0), 200 MM LI2SO4, 20% PEG 4000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.57 α = 90
b = 113 β = 90
c = 40.26 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1999-09-15
Diffraction Radiation
Monochromator Protocol
-- 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
1.25 30 85.4 -- 0.047 -- 2.0 -- 67122 -- -- --
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)
1.25 1.26 63.0 -- 0.071 11.0 2.0 --

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 1.25 10.0 -- 0.0 65026 -- -- 83.0 0.1209 0.121 -- 0.168 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_from_restr_planes 0.0314
s_similar_adp_cmpnt 0.042
s_angle_d 0.03
s_bond_d 0.014
s_zero_chiral_vol 0.079
s_anti_bump_dis_restr 0.076
s_rigid_bond_adp_cmpnt 0.005
s_non_zero_chiral_vol 0.085
s_similar_dist 0.0
s_approx_iso_adps 0.08
Coordinate Error
Parameter Value
Number Disordered Residues 17.0
Occupancy Sum Hydrogen 1977.0
Occupancy Sum Non Hydrogen 2434.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2001
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 425

Software

Software
Software Name Purpose
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
SHELX phasing