X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2M AMMONIUM SULFATE, HEPES PH 7.6, 6% ETHYLENE GLYCOL 10 MG/ML PROTEIN

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 166.93 α = 90
b = 166.93 β = 90
c = 124.58 γ = 90
Symmetry
Space Group P 42 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2008-08-06
Diffraction Radiation
Monochromator Protocol
SI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
2.35 100 99.5 0.03 -- -- 8.8 -- 73235 -- 0.0 48.0
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)
2.35 2.45 100.0 0.32 -- 3.9 7.8 --

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
SAD 2.35 166.67 -- -- -- 69360 3691 99.3 -- 0.21843 0.21599 0.26389 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 2.35 2.411 -- 291 5047 0.299 0.408 -- 99.61
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 49.022
Anisotropic B[1][1] 1.26
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.52
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 24.454
r_mcbond_it 4.331
r_scangle_it 11.126
r_symmetry_vdw_refined 0.201
r_gen_planes_refined 0.005
r_mcangle_it 6.061
r_dihedral_angle_3_deg 21.677
r_symmetry_hbond_refined 0.154
r_bond_refined_d 0.018
r_xyhbond_nbd_refined 0.209
r_dihedral_angle_2_deg 35.627
r_chiral_restr 0.178
r_scbond_it 8.372
r_nbtor_refined 0.328
r_dihedral_angle_1_deg 11.755
r_nbd_refined 0.278
r_angle_refined_deg 2.077
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7718
Nucleic Acid Atoms 0
Heterogen Atoms 17
Solvent Atoms 278

Software

Software
Software Name Purpose
HKL-2000 data reduction
SCALEPACK data scaling
SHARP phasing
SOLOMON phasing
REFMAC refinement version: 5.2.0005