X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch Method
pH 6.5
Details BATCH METHOD, COMPOSITION OF CRYSTALLISATION SOLUTION 3.5 MG INSULIN + 0.5 ML 0.02M HCL + 0.05 ML 0.12M ZINC ACETATE + 0.25 ML 0.2M TRI-SODIUM CITRATE + 0.2 ML 2.5% (W/V) PHENOL IN ETHANOL + 60 MG NACL, pH 6.5, batch method

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.73 α = 90
b = 77.73 β = 90
c = 39.16 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- --
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
1.6 14.7 98.9 0.023 -- -- 6.5 -- 11469 -- -- 15.0
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)
1.6 1.63 96.7 0.038 -- -- -- --

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
-- 1.6 14.7 -- 0.0 -- 11469 -- 98.9 -- -- 0.145 0.192 5.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.8
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 15.3
p_staggered_tor 11.1
p_planar_tor 5.7
p_xyhbond_nbd 0.134
p_multtor_nbd 0.278
p_bond_d 0.014
p_angle_d 0.032
p_planar_d 0.034
p_mcbond_it 1.589
p_mcangle_it 2.363
p_scbond_it 2.314
p_scangle_it 3.402
p_plane_restr 0.027
p_chiral_restr 0.084
p_singtor_nbd 0.165
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 812
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 108

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SCALEPACK data reduction
DENZO data collection