X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 20MM NA L-GLUTAMATE, 20MM D, L-ALANINE, 20MM GLYCINE, 20MM LYSINE (RACEMIC), 20MM SERINE (RACEMIC), 39.8MM IMIDAZOLE, 24% (W/V) PEGMME550, 12% (W/V) PEG 20,000 AND 61.2MM MES/NAOH (PH 6.5)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 175.21 α = 90
b = 79.1 β = 97.58
c = 74.75 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2012-08-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I24 -- DIAMOND I24

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
2.32 37 98.2 0.05 -- -- 2.2 -- 43114 -- 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)
2.32 2.38 98.8 0.3 -- 2.0 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
MOLECULAR REPLACEMENT 2.32 37.05 -- -- -- 40942 2172 97.97 -- 0.23559 0.23315 0.28067 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 2.32 2.38 -- 133 2953 0.336 0.391 -- 98.66
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.092
Anisotropic B[1][1] -1.7
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -3.94
Anisotropic B[2][2] -0.38
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.04
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.008
r_chiral_restr 0.13
r_dihedral_angle_4_deg 20.82
r_dihedral_angle_3_deg 20.42
r_dihedral_angle_2_deg 39.523
r_dihedral_angle_1_deg 7.0
r_angle_refined_deg 1.877
r_bond_refined_d 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5103
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 79

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
MOLREP Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
MOLREP model building