申请人:MOSAIC BIOSCIENCES, INC.
公开号:US20180043030A1
公开(公告)日:2018-02-15
Provided are methods for linking polypeptides (including peptides and proteins) to other moieties using radical imitated thiol-ene chemistries, for example, modifying a polypeptide by introducing reactive thiol groups and reacting the thiol groups with olefin-containing reagents or alkyne-containing reagents under conditions that support radical thiol-ene or thiol-yne reactions. The reactive thiol groups have greater activity for radical thiol-ene reactions that a cysteine thiol group, including thiol groups that are separated from the peptide backbone by at least two carbon atoms, for example, the thiol group of a homocysteine residue. Also provided are compositions and biomaterials containing the linked polypeptides, for example, peptide and protein conjugates, and thiol-ene based biocompatible hydrogel polymers, and their uses in the medical field.
提供了一种使用自由基模拟硫醇-烯化学方法将多肽(包括肽和蛋白质)与其他基团连接的方法,例如,通过引入反应性硫醇基团修饰多肽,并在支持自由基硫醇-烯或硫醇-炔反应的条件下将硫醇基团与含有烯烃或炔烃的试剂反应。反应性硫醇基团对于自由基硫醇-烯反应具有比半胱氨酸硫醇基团更高的活性,包括与肽骨架至少相隔两个碳原子的硫醇基团,例如,同型半胱氨酸残基的硫醇基团。还提供了含有连接的多肽的组合物和生物材料,例如,肽和蛋白质共轭物,以及基于硫醇-烯的生物相容性水凝胶聚合物,以及它们在医学领域中的用途。