CD97hc is a multifunctional glycoprotein with a single transmembrane domain, is highly expressed on proliferating cells, and functions as a chaperone for transporters. CD98hc forms disulfide-bonded heterodimers with at least seven different light chains (SLC7A5-11) that serve as amino acid transporters. Covalent cross-linking, mass spectrometric protein identification, and co-immunoprecipitation shows selective CD147 association with CD98hc complex.
Xu, D, Hemler, ME
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