X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.4
Temperature 291.0
Details The protein solution consisted of 7.5 mg mL-1 of zinc-free insulin in 0.02 mol L-1 hydrochloric acid. The reservoir solution was at pH 6.4 containing 1mM sodium citrate, volume fraction of aceton 10 % ,9 mmol L-1 manganese(II) sulphate monohydrate and redistilled water, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.7 α = 90
b = 81.7 β = 90
c = 33.73 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R 1 ELETTRA 5.2R

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 10.48 96.7 0.089 0.089 -- 2.7 -- 43875 -- -- --

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 1.08 10.28 -- -- -- 33568 1770 98.16 -- 0.16114 0.15939 0.19447 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 1.08 1.108 -- 129 2471 0.233 0.299 -- 99.96
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 8.583
Anisotropic B[1][1] -0.01
Anisotropic B[1][2] -0.01
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.02
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 11.804
r_sphericity_free 32.994
r_bond_refined_d 0.027
r_dihedral_angle_1_deg 6.986
r_chiral_restr 0.159
r_angle_refined_deg 2.42
r_dihedral_angle_4_deg 8.663
r_bond_other_d 0.003
r_gen_planes_refined 0.012
r_gen_planes_other 0.002
r_angle_other_deg 1.313
r_sphericity_bonded 10.263
r_dihedral_angle_2_deg 34.271
r_rigid_bond_restr 8.047
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 810
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 190

Software

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement version: 5.6.0117
MOSFLM data reduction
SCALA data scaling