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_nbtor_other 0.083
r_nbd_other 0.252
r_nbd_refined 0.2
r_gen_planes_other 0.004
r_gen_planes_refined 0.006
r_chiral_restr 0.082
r_dihedral_angle_1_deg 5.971
r_angle_other_deg 0.722
r_angle_refined_deg 1.301
r_bond_other_d 0.002
r_bond_refined_d 0.011
r_xyhbond_nbd_refined 0.092
r_metal_ion_refined 0.062
r_symmetry_vdw_refined 0.152
r_symmetry_vdw_other 0.327
r_symmetry_hbond_refined 0.129
r_mcbond_it 0.737
r_mcangle_it 1.316
r_scbond_it 2.169
r_scangle_it 3.352
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

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELXM, ISAS, RESOLVE Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
resolve model building
ISAS model building
shelxm model building
SCALEPACK data reduction
MAR data collection