Hassane El Mkami

Abstract SbmA is a membrane transporter from Escherichia coli that imports antimicrobial peptides. SbmA belongs to the SbmA-like peptide transporter (SLiPT) family. Although the protein is a secondary active transporter that is energized by the proton gradient, it is structurally related to the transmembrane domain (TMD) of ATP-binding cassette (ABC) transporters. SbmA therefore bridges the structural divide between primary and secondary transporters.

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Paramagnetic endohedral fullerenes with long spin coherence times, such as N@C and Y@C , are being explored as potential spin quantum bits (qubits). Their use for quantum information processing requires a way to hold them in fixed spatial arrangements. Here we report the synthesis of a porphyrin-based two-site receptor 1, offering a rigid structure that binds spin-active fullerenes (Y@C ) at a center-to-center distance of 5.0 nm, predicted from molecular simulations.