X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 100 MM TRI-SODIUM CITRATE PH 5.6, 20% MPD

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 27.67 α = 91.42
b = 45.72 β = 93.58
c = 115.83 γ = 90.08
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (MAR225) MARRESEARCH -- 2011-11-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-2 -- ESRF ID23-2

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
2.07 8 94.7 0.06 -- -- 2.2 -- 32718 -- 1.6 --
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)
2.07 2.15 88.5 0.55 -- 1.6 2.1 --

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 2.07 8.0 -- -- -- 30560 1614 93.17 -- 0.21332 0.20957 0.28397 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 2.07 2.12 -- 108 1958 0.293 0.365 -- 84.67
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.701
Anisotropic B[1][1] -0.21
Anisotropic B[1][2] -0.12
Anisotropic B[1][3] -0.05
Anisotropic B[2][2] 0.19
Anisotropic B[2][3] -0.04
Anisotropic B[3][3] 0.03
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.008
r_chiral_restr 0.101
r_dihedral_angle_4_deg 18.429
r_dihedral_angle_3_deg 19.28
r_dihedral_angle_2_deg 43.526
r_dihedral_angle_1_deg 5.696
r_angle_refined_deg 1.453
r_bond_refined_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3977
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 92

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.7.0029 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.7.0029 refinement
PHASER model building