X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9.6
Temperature 294.0
Details potassium tartrate, CAPSO, iron(II) sulfate, 2-oxoglutarate, glycerol, pH 9.6, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.46 α = 90
b = 86.46 β = 90
c = 147.81 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2002-09-18
Diffraction Radiation
Monochromator Protocol
Si grating SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.2 1.0781 ALS 8.2.2

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
2.4 47.11 95.3 -- 0.076 -- -- 22616 21549 0.0 0.0 44.0
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)
2.4 2.49 99.9 -- 0.437 5.1 -- 2194

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 2.4 29.93 -- 0.0 22618 21549 1082 95.3 0.235 0.235 0.232 0.244 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 2.4 2.51 2490 134 2356 0.294 0.293 0.025 90.3
X Ray Diffraction 2.51 2.64 2632 120 2512 0.292 0.291 0.027 94.8
X Ray Diffraction 2.64 2.81 2666 131 2535 0.288 0.286 0.025 95.3
X Ray Diffraction 2.81 3.02 2700 139 2561 0.261 0.261 0.022 97.3
X Ray Diffraction 3.02 3.33 2758 124 2634 0.26 0.26 0.023 97.9
X Ray Diffraction 3.33 3.81 2769 133 2636 0.217 0.218 0.019 98.1
X Ray Diffraction 3.81 4.79 2752 149 2603 0.198 0.199 0.016 95.9
X Ray Diffraction 4.79 29.93 2782 152 2630 0.253 0.253 0.02 92.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 60.46
Anisotropic B[1][1] -4.03
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.06
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_impr_deg 0.87
x_torsion_deg 23.3
x_angle_deg 1.3
x_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.35
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2761
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 50

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
Crystallography & NMR System version: 1.0 refinement