24-03-2022 дата публикации
Номер: US20220089639A1
Принадлежит:
The present invention relates to methods and reagents for use in site-selective modification of proteins having lysine residues with functionalized peptides using a chemoenzymatic microbial transglutaminase-mediated reaction. The functionalized proteins may be used for study or therapeutic uses. 197-. (canceled)99. The conjugate of claim 98 , wherein the conjugate protein is CRM.100. The conjugate of claim 98 , wherein the conjugate protein is GBS.101. (canceled)103. The conjugate of claim 98 , wherein W is polyethylene glycol having a molecular weight of between about 40 and about 80 claim 98 ,000 amu.105. The conjugate of claim 98 , wherein Ris a fatty acid.107. The conjugate of claim 106 , wherein the fluorophore is selected from a fluorescein claim 106 , rhodamine claim 106 , a Cy dye claim 106 , an Alexa dye claim 106 , and a coumarin. This application is a divisional of U.S. application Ser. No. 16/204,557, filed on Nov. 29, 2018, which is a divisional of U.S. application Ser. No. 15/144,397, filed on May 2, 2016, which is a divisional of U.S. patent application Ser. No. 14/329,758, now U.S. Pat. No. 9,359,400, filed Jul. 11, 2014, which claims the benefit of the filing date under 35 U.S.C. § 119(e) of Provisional U.S. Patent Application No. 62/016,044, filed Jun. 23, 2014, and of Provisional U.S. Patent Application No. 61/845,273, filed Jul. 11, 2013, the entire contents of each of which are incorporated herein by reference in their entireties.The present invention relates generally to a novel method of introducing modifying groups to a protein. In particular, the present invention relates to the selective derivation of lysine residues in proteins using a chemoenzymatic microbial transglutaminase-mediated reaction for modifying proteins and methods for their preparation and use.The contents of the text file named “PAT055641-US-DIV03_seq_lst_ST25.txt,” which was created on Nov. 29, 2018 and is 10 KB in size, are hereby incorporated by reference in their ...
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