X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details pH 4.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.71 α = 90
b = 78.71 β = 90
c = 37.33 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2005-04-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X17B1 -- NSLS X17B1

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
1.35 30 99.2 0.07 -- -- 6.5 -- 49334 -- 2.0 --
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)
1.35 1.4 92.4 -- -- 2.2 -- --

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 1.35 27.83 -- -- -- 25072 1338 99.9 -- 0.184 0.183 0.207 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 1.35 1.38 -- 93 1723 0.241 0.277 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.84
Anisotropic B[1][1] 0.01
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.02
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 34.35
r_chiral_restr 0.086
r_nbd_refined 0.238
r_xyhbond_nbd_refined 0.206
r_bond_refined_d 0.011
r_dihedral_angle_3_deg 10.826
r_nbd_other 0.184
r_gen_planes_refined 0.005
r_symmetry_vdw_refined 0.309
r_dihedral_angle_1_deg 5.639
r_mcbond_it 1.06
r_gen_planes_other 0.001
r_nbtor_other 0.082
r_scangle_it 3.6
r_nbtor_refined 0.181
r_angle_refined_deg 1.275
r_symmetry_hbond_refined 0.135
r_symmetry_vdw_other 0.287
r_scbond_it 2.359
r_bond_other_d 0.002
r_dihedral_angle_4_deg 17.433
r_angle_other_deg 0.866
r_mcangle_it 1.641
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 111

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
DENZO data reduction
SCALEPACK data scaling
SHELX phasing