Industry News
Insights on specialty building blocks, conjugation chemistry, process questions, and material selection
All News
59 articles in total
Reported Inclisiran GalNAc-siRNA Architecture: Conjugation and DMPK
The reported inclisiran architecture illustrates why an siRNA conjugate cannot be reduced to a sequence plus a targeting ligand. Descriptions of that architecture place a triantennary N-acetylgalactosamine (GalNAc) unit at the sense-strand terminus, combine 2'-fluoro and 2'-O-methyl ribose substitutions with terminal phosphorothioate linkages, and rely on the antisense strand for RNA-induced silencing complex (RISC) loading. Each element addresses a different constraint: cell uptake, nuclease exposure, strand handling, or intracellular recognition.
Reported Iron-Core CO-Releasing Module Broadens ADC Payload Design
Crossref metadata verifies the primary paper's title, authorship, journal, DOI, and publication record. The detailed construct is reported as combining an Fe(CO)3 CO-releasing molecule, a Val-Cit-PABC trigger, and thiol conjugation to trastuzumab after interchain disulfide reduction.
A Preprint Maps siRNA 5′-Phosphate Chemistry for AGO2 Anchoring
The siRNA guide-strand 5′-phosphate is a recognition element for engagement with the AGO2 MID domain. The preprint examines a different way to modify that terminus: installing an organic substituent on a nonbridging phosphate oxygen while retaining a phosphate-centered anchoring group.
Reported PBD Dimer Chemistry for ADC Linker–Payload Design
Pyrrolobenzodiazepine (PBD) dimers join two PBD units to create a bifunctional DNA-reactive scaffold. For ADC development, the useful question is not which free payload appears most potent in an isolated assay. It is how electrophile state, linker architecture, hydrophilicity, conjugation level, release behavior, and analytical control work together in the complete linker–payload and conjugate.
GLP-1 Peptide Lipidation: Chain, Linker, and Attachment Design
Fatty-acid-derived modification can introduce an albumin-binding handle, but the chain alone does not define the conjugate. Functional group identity, linker composition, attachment position, and the peptide sequence all influence what must be synthesized, purified, and measured.
CycDockAssem: A Reported Fragment Workflow for Cyclic Peptide Design
The paper describes a de novo workflow built around four structural fragments: two are positioned at selected regions of a protein surface, and two are used to connect the docked segments into a closed backbone. Candidate scaffolds then move through geometry-based ranking, fixed-backbone sequence redesign, and molecular-dynamics-based prioritization.