6M4V:
reference: Rational design and implementation of a chemically inducible heterotrimerization system., Wu HD, Kikuchi M, Dagliyan O, Aragaki AK, Nakamura H, Dokholyan NV, Umehara T, Inoue T, Nat Methods. 2020 Aug 3. pii: 10.1038/s41592-020-0913-x. doi:, 10.1038/s41592-020-0913-x. PMID: 32747768

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