SCREENING OF FIXED-POINT COUPLING SITES OF CYSTEINE-MODIFIED ANTIBODY-TOXIN CONJUGATE (TDC)

Disclosed in the present invention is a cysteine-modified antibody-toxin conjugate. The cysteine-modified antibody-toxin conjugate is characterized in that: the antibody is an antibody in which cysteine is inserted on a fixed point, and insertion sites of the cysteine comprising one or more of the f...

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Bibliographische Detailangaben
Hauptverfasser: WANG, Yiqian, ZHU, Yi, ZHUO, Shi, LI, Jie, YU, Yongguo, WAN, Weili
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Disclosed in the present invention is a cysteine-modified antibody-toxin conjugate. The cysteine-modified antibody-toxin conjugate is characterized in that: the antibody is an antibody in which cysteine is inserted on a fixed point, and insertion sites of the cysteine comprising one or more of the following sites: a 110th site, a 111th site and a 142th site of a light chain in a Kappa/λ light chain constant region, and a 254th site, a 255th site, a 258th, a 259th site, a 354th site, a 355th site, a 357th site, a 378th site, a 379th site, a 386th site, a 387th site or a 410th site of a heavy chain of a heavy chain constant region of an IgG antibody.