X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Details VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.12 α = 89.94
b = 42.12 β = 100.95
c = 59.43 γ = 98.73
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 2001-05-18
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9795, 0.9798,0.94656 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
1.5 50 96.7 0.078 -- -- 7.6 64657 62538 2.0 2.0 13.2
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)
1.49 1.64 95.2 0.197 -- 11.95 4.9 15357

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 1.5 34.35 -- 0.0 64657 62538 5874 93.8 -- 0.224 0.224 0.237 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 1.5 1.59 -- 901 18013 0.248 0.26 0.009 89.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 15.3
Anisotropic B[1][1] 0.24
Anisotropic B[1][2] -0.56
Anisotropic B[1][3] -0.67
Anisotropic B[2][2] -1.97
Anisotropic B[2][3] -0.78
Anisotropic B[3][3] 1.73
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.76
c_dihedral_angle_d 23.7
c_angle_deg 1.3
c_bond_d 0.004
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3190
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 660

Software

Computing
Computing Package Purpose
DTCOLLECT Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
CNS Structure Solution
CNS 0.9 Structure Refinement
Software
Software Name Purpose
CNS version: 0.9 refinement
CNS model building
HKL2000 data reduction
DTCOLLECT data collection