8xiu | pdb_00008xiu

Cryo-EM structure of a frog VMAT2 in an apo conformation

spinqualitylabelsall models 8xiu, resolution 4.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8xiu is a 1 chain structure with sequence from Xenopus laevis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 4Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Vesicular monoamine transporter 2 (VMAT2) belongs to the major facilitator superfamily (MFS), and mediates cytoplasmic monoamine packaging into presynaptic vesicles. Here, we present two cryo-EM structures of VMAT2, with a frog VMAT2 adopting a canonical MFS fold and an engineered sheep VMAT2 adopting a non-canonical fold. Both VMAT2 proteins mediate uptake of a selective fluorescent VMAT2 substrate into cells. Molecular docking, substrate binding and transport analysis reveal potential substrate binding mechanism in VMAT2. Meanwhile, caution is advised when interpreting engineered membrane protein structures. Engineering of a mammalian VMAT2 for cryo-EM analysis results in non-canonical protein folding.,Lyu Y, Fu C, Ma H, Su Z, Sun Z, Zhou X Nat Commun. 2024 Aug 2;15(1):6511. doi: 10.1038/s41467-024-50934-5. PMID:39095428 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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