7qia

Structure of apo-EleNRMT in complex with two nanobodies at 3.5A

spinqualitylabelsall models 7qia, resolution 3.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7qia is a 3 chain structure with sequence from Eggerthella lenta and Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 3.5Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function C8WJ67_EGGLE Publication Abstract from PubMed Members of the ubiquitous SLC11/NRAMP family catalyze the uptake of divalent transition metal ions into cells. They have evolved to efficiently select these trace elements from a large pool of Ca(2+) and Mg(2+), which are both orders of magnitude more abundant, and to concentrate them in the cytoplasm aided by the cotransport of H(+) serving as energy source. In the present study, we have characterized a member of a distant clade of the family found in prokaryotes, termed NRMTs, that were proposed to function as transporters of Mg(2+). The protein transports Mg(2+) and Mn(2+) but not Ca(2+) by a mechanism that is not coupled to H(+). Structures determined by cryo-EM and X-ray crystallography revealed a generally similar protein architecture compared to classical NRAMPs, with a restructured ion binding site whose increased volume provides suitable interactions with ions that likely have retained much of their hydration shell. Structural and functional properties of a magnesium transporter of the SLC11/NRAMP family.,Ramanadane K, Straub MS, Dutzler R, Manatschal C Elife. 2022 Jan 10;11:e74589. doi: 10.7554/eLife.74589. PMID:35001872 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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