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The complex of A1AT-NHK with the ERAD misfolded glycoprotein checkpoint complex from Chaetomium thermophilum (EDEM:PDI heterodimer).
ELECTRON MICROSCOPY
Refinement
RMS Deviations
Key
Refinement Restraint Deviation
f_dihedral_angle_d
5.354
f_angle_d
0.539
f_chiral_restr
0.04
f_plane_restr
0.004
f_bond_d
0.002
Sample
Ternary complex of human A1AT-NH and Chaetomium thermophilum Endoplasmic reticulum degradation enhancing mannosidase (CtEDEM) plus Endoplasmic reticulum degradation enhancing protein disulfide isomerase (CtPDI)
Sample Components
Green fluorescent protein N-terminally fused to alpha-1,2-Mannosidase
Protein disulfide isomerase
Human Alpha1-antitrypsin Null Hong Kong mutant. Sequence: MPSSVSWGILLLAGLCCLVPVSLAEDPQGDAAQKTDTSHHDQDHPTFNKITPNLAEFAFSLYRQLAHQSNSTNIFFSPVSIATAFAMLSLGTKADTHDEILEGLNFNLTEIPEAQIHEGFQELLRTLNQPDSQLQLTTGNGLFLSEGLKLVDKFLEDVKKLYHSEAFTVNFGDTEEAKKQINDYVEKGTQGKIVDLVKELDRDTVFALVNYIFFKGKWERPFEVKDTEEEDFHVDQVTTVKVPMMKRLGMFNIQHCKKLSSWVLLMKYLGNATAIFFLPDEGKLQHLENELTHDIITKFLENEDRRSASLHLPKLSITGTYDLKSVLGQLGITKVFSNGADLRGHRGGTPEALQGRA
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
PROPANE
Sample Vitrification Details
3 uL of protein were added to the grid for 1 minute, at 4 degrees C with 100% humidity, before blotting with Whatman No1 filter paper (Sigma-aldrich, ...
3 uL of protein were added to the grid for 1 minute, at 4 degrees C with 100% humidity, before blotting with Whatman No1 filter paper (Sigma-aldrich, Germany) and washing three times with 20 uL drops of ultrapure water. Blot force 10 for 3 s before plunge freezing immediately into liquid ethane. A 30 second wait time after sample application before plunge freezing.