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_sphericity_bonded 10.263
r_sphericity_free 32.994
r_bond_refined_d 0.027
r_bond_other_d 0.003
r_angle_refined_deg 2.42
r_angle_other_deg 1.313
r_dihedral_angle_1_deg 6.986
r_dihedral_angle_2_deg 34.271
r_dihedral_angle_3_deg 11.804
r_dihedral_angle_4_deg 8.663
r_chiral_restr 0.159
r_gen_planes_refined 0.012
r_gen_planes_other 0.002
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
AMoRE Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
AMoRE model building