X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details PEG3350, di-NH4 tartrate, glycerol, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 298.K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.45 α = 90
b = 86.82 β = 90
c = 120.9 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 150
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 2002-02-07
Diffraction Radiation
Monochromator Protocol
sagitally focused Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97891, 0.97878, 0.99187 APS 19-ID

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 37.24 96.4 -- -- -- -- 45241 43633 0.0 0.0 22.5

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 2.1 37.24 0.0 0.0 45240 43633 4399 96.4 0.205 0.2027 0.202 0.235 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 2.1 2.2 5034 504 4530 0.28 0.324 0.014 89.8
X Ray Diffraction 2.2 2.31 5163 530 4633 0.261 0.314 0.014 92.7
X Ray Diffraction 2.31 2.46 5294 528 4766 0.238 0.27 0.012 94.9
X Ray Diffraction 2.46 2.65 5394 549 4845 0.233 0.263 0.011 96.3
X Ray Diffraction 2.65 2.91 5551 551 5000 0.224 0.259 0.011 98.4
X Ray Diffraction 2.91 3.33 5596 555 5041 0.212 0.252 0.011 99.1
X Ray Diffraction 3.33 4.2 5699 575 5124 0.166 0.202 0.008 99.9
X Ray Diffraction 4.2 37.24 5902 607 5295 0.178 0.202 0.008 99.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 41.49
Anisotropic B[1][1] -8.73
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 12.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.74
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_deg 21.2
x_angle_deg 1.2
x_bond_d 0.006
x_torsion_impr_deg 0.85
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 50.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5807
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 627

Software

Software
Software Name Purpose
CNS refinement version: 1.1
d*TREK data reduction
SCALEPACK data scaling
SOLVE phasing
RESOLVE phasing