X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details 0.1 M sodium chloride, 5 mM calcium chloride, 1.4 M lithium sulfate, 0.1 M Tris buffer pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.19 α = 90
b = 97.19 β = 90
c = 83.37 γ = 120
Symmetry
Space Group P 62

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 focussing mirror 2000-05-03
Diffraction Radiation
Monochromator Protocol
Si(111) double crystal, sagitally focussing SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.92 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
1.4 30 99.9 0.036 -- -- 7.7 87947 87947 -3.0 -3.0 12.2
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)
1.4 1.45 99.5 0.216 -- 7.0 7.7 8711

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
SINGLE-WAVELENGTH ANOMALOUS DIFFRACTION 1.4 30.0 -999.0 -999.0 87947 81364 8107 -- 0.1129 0.108 0.113 0.1358 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.4 30.0 87947 8801 -- 0.1129 0.1358 -- 93.0
RMS Deviations
Key Refinement Restraint Deviation
s_zero_chiral_vol 0.079
s_bond_d 0.013
s_angle_d 0.029
s_from_restr_planes 0.028
s_non_zero_chiral_vol 0.089
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2726
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 422

Software

Software
Software Name Purpose
HKL-2000 data collection
HKL-2000 data reduction
SHELXD phasing
SHARP phasing
DM model building
WARP model building
SHELXL-97 refinement
HKL-2000 data scaling
DM phasing
ARP/wARP model building