4S1D:
reference: Hapten-directed spontaneous disulfide shuffling: a universal technology for site-directed covalent coupling of payloads to antibodies., Dengl S, Hoffmann E, Grote M, Wagner C, Mundigl O, Georges G, Thorey I, Stubenrauch KG, Bujotzek A, Josel HP, Dziadek S, Benz J, Brinkmann U, FASEB J. 2015 Feb 10. pii: fj.14-263665. PMID: 25670234

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