Download our membrane protein brochure to explore KACTUS’ catalog and custom services for multipass transmembrane proteins displayed on virus-like particles (VLPs) or copolymer nanodiscs. These platforms offer native-like presentation of challenging targets such as Claudin 18.2, GPRC5D, CXCR4, CD20, and GPCRs, enabling high-efficiency antibody discovery, PK/PD analysis, and binding assays.