Annotations: 8FDC

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth B]	Glyco_hydro_43	e8fdcB1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v294.1)
B [auth A]	Glyco_hydro_43	e8fdcA1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v294.1)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth B]	Light Chain	IGKV3	Kappa	circumsporozoite protein kqpa peptide	SAbDab (2026-04-24)
B [auth A]	Heavy Chain	IGHV3	-	circumsporozoite protein kqpa peptide	SAbDab (2026-04-24)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth B]	Ky311 Antibody, light chain	-	-	-
B [auth A]	Ky311 Antibody, heavy chain	-	-	-
A [auth P]	Circumsporozoite protein KQPA peptide	-	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle entry into host cell by a symbiont-containing vacuole biological process involved in interaction with host biological process involved in symbiotic interaction	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm

Chains	Accession	Name	Type
A [auth P]	IPR000884	Thrombospondin type-1 (TSP1) repeat	Repeat
A [auth P]	IPR003067	Plasmodium circumsporozoite protein	Family
A [auth P]	IPR051860	Plasmodium Circumsporozoite Invasion Protein	Family
A [auth P]	IPR036383	Thrombospondin type-1 repeat superfamily	Homologous Superfamily

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.

8FDC | pdb_00008fdc