Annotations: 7RLX

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]	Sybindin	e7rlxA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Sybindin	ECOD (v294.1)
A [auth B]	Sybindin	e7rlxB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Sybindin	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth A]	Heavy Chain	IGHV1	-	peptide from circumsporozoite protein variant vk210	SAbDab (2026-03-27)
A [auth B]	Light Chain	IGKV1	Kappa	peptide from circumsporozoite protein variant vk210	SAbDab (2026-03-27)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth P]	peptide from Circumsporozoite protein variant VK210	-	-	cell surface cellular anatomical structure membrane side of membrane cell periphery plasma membrane intracellular anatomical structure cytoplasm
B [auth A]	2F2 Fab heavy chain	-	-	-
A [auth B]	2F2 Fab light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth P]	IPR000884	Thrombospondin type-1 (TSP1) repeat	Repeat
C [auth P]	IPR003067	Plasmodium circumsporozoite protein	Family
C [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.