monovalent bispecific IgG antibodies through novel electrostatic steering mutations at the CH1-CL interface


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]e8tjfB1 A: beta barrelsX: RNase A-likeH: RNase A-likeT: RNase A-likeF:ECOD (v294.2)
B [auth H]e8tjfH1 A: beta barrelsX: RNase A-likeH: RNase A-likeT: RNase A-likeF:ECOD (v294.2)
C [auth A]e8tjfA1 A: beta barrelsX: RNase A-likeH: RNase A-likeT: RNase A-likeF:ECOD (v294.2)
A [auth L]e8tjfL1 A: beta barrelsX: RNase A-likeH: RNase A-likeT: RNase A-likeF:ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H],
D [auth B]
Heavy ChainIGHV3 --SAbDab (2026-06-05)
A [auth L],
C [auth A]
Light ChainIGKV1 Kappa-SAbDab (2026-06-05)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
B [auth H],
D [auth B]
Coprelotamab ERBB2/CD340/HER2, CD3E, TNFRSF9/CD137/4-1BB, SIRPATherapeutic SAbDab (2026-06-05)
A [auth L],
C [auth A]
Nesfrotamig ERBB2/CD340/HER2, TNFRSF9/CD137/4-1BB, SIRPA, CD3ETherapeutic SAbDab (2026-06-05)