X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Temperature 293.0
Details 22% Peg 3350, 0.1M Bis-Tris pH 5.5, 0.2M Lithium Sulfate, 5% Ethylene Glycol, VAPOR DIFFUSION, SITTING DROP, temperature 293K, pH 5.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.39 α = 90
b = 156.84 β = 90
c = 178.07 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 ADSC QUANTUM 4 -- 2004-08-06
Diffraction Radiation
Monochromator Protocol
APS 17ID MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 0.97939, 0.97952, 0.96415 APS 17-ID

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
2.3 20 99.7 -- 0.059 -- 4.3 -- 53397 -- -3.0 36.0
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)
2.3 2.38 100.0 0.397 -- 3.3 4.3 --

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
MAD 2.3 20.0 -- 0.0 53397 53397 2858 99.7 -- 0.185 0.183 0.226 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 2.3 2.36 -- 205 3852 0.202 0.249 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.22
Anisotropic B[1][1] 0.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.44
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.78
RMS Deviations
Key Refinement Restraint Deviation
r_nbtor_refined 0.308
r_angle_refined_deg 1.832
r_mcbond_it 1.206
r_symmetry_hbond_refined 0.193
r_scangle_it 4.579
r_mcangle_it 1.961
r_dihedral_angle_4_deg 15.333
r_dihedral_angle_1_deg 6.981
r_nbd_refined 0.214
r_dihedral_angle_2_deg 39.42
r_xyhbond_nbd_refined 0.161
r_gen_planes_refined 0.008
r_chiral_restr 0.124
r_dihedral_angle_3_deg 17.601
r_scbond_it 3.114
r_bond_refined_d 0.022
r_symmetry_vdw_refined 0.196
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7042
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 320

Software

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