X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 4.5
Temperature 297.0
Details PEG 4000, NH4OAc, pH 4.5, Microbatch, temperature 297K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.06 α = 90
b = 156.79 β = 90
c = 165.03 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD Nonius Kappa CCD mirrors 2004-10-29
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE Cu FINE FOCUS 1.54 -- --

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
2.5 49.82 100.0 0.09 -- -- -- -- 53309 1.0 1.0 --
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)
2.5 2.59 99.8 0.49 -- 2.8344 -- --

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
FOURIER SYNTHESIS 2.5 49.82 -- -- 53309 50342 2644 99.74 -- 0.21511 0.2124 0.26648 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 2.5 2.565 -- 151 3387 0.267 0.334 -- 99.75
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Overall
Mean Isotropic B 42.262
Anisotropic B[1][1] 3.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.14
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.86
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_other 0.001
r_gen_planes_refined 0.005
r_chiral_restr 0.073
r_dihedral_angle_4_deg 15.386
r_dihedral_angle_3_deg 14.232
r_dihedral_angle_2_deg 38.52
r_dihedral_angle_1_deg 6.603
r_angle_other_deg 0.74
r_angle_refined_deg 1.315
r_bond_other_d 0.001
r_bond_refined_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.32
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.43
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8927
Nucleic Acid Atoms 0
Heterogen Atoms 120
Solvent Atoms 407

Software

Computing
Computing Package Purpose
HKL-2000 Data Collection
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
CNS version: 1.2 refinement
CNS model building
HKL-2000 data collection