X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.8
Details CRYSTALLISATION IN BATCH, 10 MG B5 TYR INSULIN DISSOLVED IN 2 ML 0.02M HCL. TO THIS ADDED 0.1 ML 0.12M ZINC ACETATE, 1.5 ML 0.2 M TRI-SODIUM CITRATE, 0.4 ML 2.5% (AQ.) PHENOL AND 120 MG NACL. PH ADJUSTED TO 6.5-7.8 .

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.1 α = 90
b = 62.08 β = 109.87
c = 48.35 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 289
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MULTIWIRE SIEMENS -- 1993-01-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.26 36.8 92.0 0.046 -- -- 1.8 -- 13832 -- -- 34.8
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)
2.2 2.3 95.5 0.107 -- 5.0 1.6 --

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 2.3 36.8 -- 0.0 13832 13832 -- 92.0 -- -- 0.186 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.9
RMS Deviations
Key Refinement Restraint Deviation
p_xyhbond_nbd 0.279
p_angle_d 0.037
p_planar_d 0.034
p_singtor_nbd 0.182
p_mcbond_it 2.7
p_bond_d 0.011
p_chiral_restr 0.14
p_planar_tor 3.1
p_plane_restr 0.017
p_staggered_tor 19.2
p_mcangle_it 4.0
p_transverse_tor 13.4
p_scangle_it 8.6
p_scbond_it 7.3
p_multtor_nbd 0.261
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2442
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 91

Software

Software
Software Name Purpose
PROLSQ refinement
XDS data reduction
SCALA data scaling