X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4
Temperature 292.0
Details NH42SO4, citric acid, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.44 α = 90
b = 71.44 β = 90
c = 219.16 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-04-14
Diffraction Radiation
Monochromator Protocol
slits SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 1.488 SRS PX14.1

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 25 98.6 -- 0.078 -- 30.9 -- 23414 0.0 2.5 24.9
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)
2.0 2.05 90.5 -- 0.345 5.0 -- --

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 2.0 25.0 -- 0.0 23414 21839 1180 98.76 0.16636 0.16636 0.16541 0.18464 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 2.0 2.052 -- 92 1423 0.187 0.23 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.989
Anisotropic B[1][1] 0.72
Anisotropic B[1][2] 0.36
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.72
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.08
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_vdw_refined 0.273
r_nbd_refined 0.219
r_bond_refined_d 0.014
r_angle_refined_deg 1.459
r_scbond_it 2.242
r_xyhbond_nbd_refined 0.281
r_bond_other_d 0.002
r_dihedral_angle_1_deg 6.389
r_chiral_restr 0.091
r_mcbond_it 0.673
r_scangle_it 3.708
r_angle_other_deg 0.833
r_symmetry_hbond_refined 0.3
r_mcangle_it 1.269
r_gen_planes_other 0.003
r_nbd_other 0.257
r_nbtor_other 0.106
r_symmetry_vdw_other 0.319
r_gen_planes_refined 0.006
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.117
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1827
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 236

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
CNS phasing