X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 2.1
Details HANGING DROP VAPOUR DIFFUSION METHOD PROTEIN SOL: 5 MG/ML HUMAN INSULIN IN SULPHURIC ACID PH 2.1 RESERVOIR SOL: SULPHURIC ACID PH 2.1,0.025 M SODIUM SULPHATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.05 α = 90
b = 46.18 β = 90
c = 51.19 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRRORS --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.63 20 100.0 0.04 -- -- 5.0 -- 13079 -- -- --
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)
1.63 1.66 100.0 0.245 -- 9.0 5.0 --

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 1.62 34.3 -- -- -- 13079 689 99.2 -- 0.172 0.17 0.207 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 1.62 1.66 -- 45 871 0.152 0.225 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.74
Anisotropic B[1][1] 0.27
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.67
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.242
r_scbond_it 2.81
r_mcangle_it 2.002
r_mcbond_it 1.232
r_nbd_refined 0.211
r_gen_planes_refined 0.006
r_chiral_restr 0.114
r_angle_other_deg 1.659
r_bond_refined_d 0.013
r_xyhbond_nbd_refined 0.2
r_symmetry_vdw_refined 0.196
r_symmetry_hbond_refined 0.244
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 810
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 127

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
AMORE model building