X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.4
Temperature 293.0
Details sodium cacodylate, magnesium bromide, MPD, isopropanol, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.43 α = 90
b = 46.12 β = 90
c = 81.59 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2002-01-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.3.1 0.9199 ALS 8.3.1

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 46.14 99.78 -- 0.07 -- -- 17879 16966 1.0 1.0 --

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
Single anomolous diffraction 1.5 19.65 -- -- -- 16966 913 99.92 0.21605 0.21763 0.21605 0.24916 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 -- 59 1229 0.247 0.351 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 9.619
Anisotropic B[1][1] -0.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.02
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.246
r_gen_planes_refined 0.007
r_chiral_restr 0.094
r_dihedral_angle_3_deg 14.114
r_dihedral_angle_1_deg 3.492
r_angle_refined_deg 1.487
r_bond_refined_d 0.011
r_xyhbond_nbd_refined 0.244
r_symmetry_vdw_refined 0.173
r_symmetry_hbond_refined 0.715
r_mcbond_it 0.818
r_mcangle_it 1.528
r_scbond_it 3.173
r_scangle_it 4.818
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 946
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 86

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
SOLVE model building
SCALA data reduction
MOSFLM data collection