X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details ammonium sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.26 α = 90
b = 72.35 β = 90
c = 133.89 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-09-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.0 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
1.5 50 99.3 -- 0.026 -- 7.1 31830 31619 0.0 0.0 16.5
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)
1.5 1.55 96.3 0.14 0.14 10.0 4.2 3029

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
SAS 1.5 14.6 -- -- -- 29435 1535 97.31 -- 0.19262 0.19225 0.2002 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 1.5 1.539 -- 124 2025 0.184 0.207 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.435
Anisotropic B[1][1] 1.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.94
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.352
r_symmetry_vdw_other 0.327
r_nbtor_other 0.083
r_symmetry_hbond_refined 0.129
r_gen_planes_other 0.004
r_chiral_restr 0.082
r_scbond_it 2.169
r_xyhbond_nbd_refined 0.092
r_angle_refined_deg 1.301
r_nbd_refined 0.2
r_dihedral_angle_1_deg 5.971
r_mcbond_it 0.737
r_bond_other_d 0.002
r_bond_refined_d 0.011
r_metal_ion_refined 0.062
r_angle_other_deg 0.722
r_nbd_other 0.252
r_mcangle_it 1.316
r_gen_planes_refined 0.006
r_symmetry_vdw_refined 0.152
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) -0.04
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.18
Luzzati Sigma A (R-Free Set) 0.06
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 897
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 107

Software

Software
Software Name Purpose
MAR data collection
SCALEPACK data scaling
shelxm model building
ISAS model building
RESOLVE model building
CNS refinement version: 1.1
MAR data reduction
SHELXM phasing
ISAS phasing
RESOLVE phasing
REFMAC refinement version: 5.1.24