AbClick Pro H: Scavenger-Free, Traceless Lys248 Conjugation Via O-Acyl Hydroxamate Chemistry for Homogeneous Antibody-Drug Conjugates (ADCs)
  • Son, Jinyoung
  • Seo, Jin Woo
  • Park, Sun Hee
  • Yeom, Hojin
  • Ko, Nayoung
  • ... Chung, Sang J.
  • 외 5명
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초록

A traceless O-acyl hydroxamate Fc-binding peptide linker enables rapid, scavenger-free, and site-selective conjugation at Lys248 of human IgG1. The resulting homogeneous DAR2 antibody-drug conjugates (ADCs) retain antigen binding and internalization with payload-dependent stability and cytotoxicity. The linker's intrinsic leaving-group mechanism ensures clean FcBP release and broad payload compatibility. This robust, scalable traceless Lys248 conjugation chemistry underpins investigational new drug (IND)-approved and nonclinical ADC pipelines, offering a predictable platform for next-generation ADC design.

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제목
AbClick Pro H: Scavenger-Free, Traceless Lys248 Conjugation Via O-Acyl Hydroxamate Chemistry for Homogeneous Antibody-Drug Conjugates (ADCs)
저자
Son, JinyoungSeo, Jin WooPark, Sun HeeYeom, HojinKo, NayoungLee, Young GeunKim, JinyoungKim, Ju HwanPark, Seong-HyunHan, TaedongChung, Sang J.
DOI
10.1021/acs.orglett.5c04902
발행일
2026-01-16
유형
Article
저널명
Organic Letters
28
2
페이지
764 ~ 767