X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 293.15
Details 4.6 M ammonium acetate, 0.1 M sodium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 131.87 α = 90
b = 131.87 β = 90
c = 247.54 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2011-07-01
Diffraction Radiation
Monochromator Protocol
Bent single Si(111) crystal (horizontal focusing and deflection) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4C 0.9792 NSLS X4C

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
3.93 40 98.3 -- 0.07 -- 5.9 11776 11776 -- -3.0 --
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)
3.93 4.07 99.1 -- 0.61 3.2 6.1 --

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 3.93 20.0 -- -- 11776 11210 558 98.44 0.24824 0.24824 0.2468 0.27904 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 3.93 4.029 -- 34 659 0.325 0.374 -- 97.74
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 170.513
Anisotropic B[1][1] 4.45
Anisotropic B[1][2] 2.23
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.45
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.68
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 22.382
r_chiral_restr 0.058
r_dihedral_angle_2_deg 41.454
r_angle_refined_deg 1.295
r_dihedral_angle_1_deg 8.555
r_dihedral_angle_4_deg 22.335
r_bond_refined_d 0.016
r_angle_other_deg 0.934
r_bond_other_d 0.004
r_gen_planes_refined 0.011
r_gen_planes_other 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2342
Nucleic Acid Atoms 0
Heterogen Atoms 246
Solvent Atoms 0

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
PHASER phasing
REFMAC refinement version: 5.6.0117
HKL-2000 data reduction
HKL-2000 data scaling