X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 200 MM BISTRISPROPANE PH 7.5, 500 MM NACL, 20% PEG 4000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.3 α = 90
b = 64.25 β = 90
c = 104.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate OSMIC MIRRORS 2009-06-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 -- -- --

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 19.44 99.4 0.05 -- -- 4.6 -- 50469 -- 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)
1.5 1.58 98.5 0.35 -- 4.0 4.4 --

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
MOLECULAR REPLACEMENT 1.5 19.29 -- -- -- 49565 903 99.39 -- 0.13314 0.13239 0.17469 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 -- 73 3513 0.196 0.26 -- 97.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.763
Anisotropic B[1][1] -1.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.85
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 34.114
r_rigid_bond_restr 1.528
r_bond_refined_d 0.011
r_scangle_it 6.579
r_dihedral_angle_1_deg 7.136
r_mcangle_it 3.686
r_chiral_restr 0.125
r_dihedral_angle_3_deg 13.312
r_angle_refined_deg 1.681
r_gen_planes_refined 0.015
r_mcbond_it 2.569
r_dihedral_angle_4_deg 25.606
r_scbond_it 5.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1942
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 387

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0109
XDS data reduction
XSCALE data scaling
REFMAC phasing