X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details HANGING DROP CRYSTALLIZATION CRYSTALS FORM IN A 3 UL (RESERVOIR) + 1 UL (PROTEIN AT 15 MG/ML) DROP WITH RESERVOIR 0.1 M NA CITRATE PH 5.6, 3% ETHANOL, 15 % PEG 4000). ADDITION OF 6 UL OF RESERVOIR AND 1 UL OF 50 MM TRIMETHYL LEAD ACETATE CAUSES CRYSTAL DISSOLUTION AND GROWTH OF CRYSTALS WITH DIFFERENT HABIT FROM WHICH THE STRUCTURE WAS SOLVED.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.62 α = 90
b = 106.24 β = 90
c = 175.43 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.15 15 99.7 0.061 -- -- 3.7 -- 33084 -- -- --
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)
2.15 2.23 99.8 0.396 -- -- -- --

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
OTHER 2.15 15.0 -- -- -- 28344 3117 94.9 -- 0.198 0.194 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 2.15 2.21 -- 195 1939 0.214 0.262 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.39
Anisotropic B[1][1] 0.92
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.22
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 4.685
r_symmetry_hbond_refined 0.168
r_symmetry_vdw_other 0.418
r_nbd_refined 0.239
r_dihedral_angle_3_deg 16.77
r_angle_refined_deg 1.554
r_gen_planes_other 0.003
r_chiral_restr 0.086
r_gen_planes_refined 0.006
r_angle_other_deg 0.764
r_symmetry_vdw_refined 0.355
r_bond_other_d 0.001
r_xyhbond_nbd_other 0.109
r_mcbond_it 0.492
r_scbond_it 1.75
r_xyhbond_nbd_refined 0.187
r_nbd_other 0.217
r_bond_refined_d 0.016
r_mcangle_it 0.9
r_scangle_it 2.775
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4212
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 304

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
DENZO data reduction
SCALEPACK data scaling