X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.1M TRIS, PH=8.5, 44% MGSO4, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.36 α = 90
b = 64.36 β = 90
c = 84.13 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CHESS -- 1999-10-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.98000,0.98500 NSLS X9B

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
1.9 23.23 99.5 0.0382 -- -- 10.5 -- 8592 -- -- --
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)
1.9 2.0 99.8 0.1031 -- 7.28 10.7 --

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
MAD 1.9 23.23 -- 0.0 8592 -- 449 99.5 0.2197 0.2155 -- 0.2651 SHELLS
RMS Deviations
Key Refinement Restraint Deviation
s_similar_adp_cmpnt 0.038
s_anti_bump_dis_restr 0.009
s_zero_chiral_vol 0.03
s_from_restr_planes 0.051
s_angle_d 0.048
s_bond_d 0.013
Coordinate Error
Parameter Value
Number Disordered Residues 9.0
Occupancy Sum Hydrogen 432.9
Occupancy Sum Non Hydrogen 521.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 316
Nucleic Acid Atoms 0
Heterogen Atoms 136
Solvent Atoms 73

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELX, DM Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
DM model building
SHELX model building