Annotations: 9N8Q

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV1	Kappa	-	SAbDab (2026-03-27)
A [auth H]	Heavy Chain	IGHV3	-	-	SAbDab (2026-03-27)

Chain	Name	Target	Provenance Source
B [auth L]	Cinrebafusp	ERBB2/CD340/HER2, TNFRSF9/CD137/4-1BB, SIRPA, CD3E	Therapeutic SAbDab (2026-03-27)
A [auth H]	Nesfrotamig	ERBB2/CD340/HER2, TNFRSF9/CD137/4-1BB, CD3E, SIRPA	Therapeutic SAbDab (2026-03-27)

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

9N8Q | pdb_00009n8q