X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details Hampton Reaserch Crystal Screen 2 (HR2-112) Condition #23. 1.6 M Ammonium sulfate, 0.1 M MES monohydrate pH 6.5, 10% v/v 1,4-Dioxane. Reservoir volume 600 uL. 2 uL of EstA 10 mg/mL in 50 mM Tris pH 8, mixed with 2 uL of reservoir volume for hanging drop at room temperature.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 166.41 α = 90
b = 166.41 β = 90
c = 185.78 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD First mirror: Water-cooled vertically collimating cylindrical mirror (R = 7300 m). Second mirror: Toroid mirror for horizontal and vertical focusing (R = 3300 m, R = 27 mm). 2012-10-31
Diffraction Radiation
Monochromator Protocol
Water-cooled double-crystal monochromator, Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I911-3 1.0 MAX II I911-3

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
2.6 29.42 93.3 0.136 0.136 -- 10.4 -- 79041 -- -- 39.0
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)
2.6 2.74 99.3 0.543 -- 1.4 10.62 --

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 2.6 29.42 -- -- -- 75089 3952 98.26 -- 0.15892 0.15705 0.1943 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 2.6 2.667 -- 284 5403 0.22 0.277 -- 98.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.085
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.01
RMS Deviations
Key Refinement Restraint Deviation
r_bond_other_d 0.002
r_dihedral_angle_4_deg 18.65
r_chiral_restr 0.113
r_angle_refined_deg 2.059
r_angle_other_deg 1.113
r_mcangle_it 3.422
r_scangle_other 5.442
r_gen_planes_refined 0.008
r_scbond_it 3.518
r_dihedral_angle_3_deg 17.402
r_gen_planes_other 0.002
r_mcangle_other 3.422
r_mcbond_other 2.235
r_dihedral_angle_2_deg 35.977
r_scbond_other 3.482
r_bond_refined_d 0.019
r_long_range_B_other 7.008
r_dihedral_angle_1_deg 6.979
r_long_range_B_refined 7.084
r_mcbond_it 2.234
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9368
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 438

Software

Software
Software Name Purpose
REFMAC refinement version: 5.8.0155
XDS data reduction version: September 26, 2012
SCALA data scaling version: 3.3.20
PHASER phasing version: 2.5.1