Annotations: 6X8S

Crystal structure of 3D11 Fab in complex with Plasmodium berghei circumsporozoite protein NAND peptide

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	Baculo_p26	e6x8sL1	A: beta barrels	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: Baculo_p26	ECOD (v294.2)
A [auth H]	Baculo_p26	e6x8sH1	A: beta barrels	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: Baculo_p26	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A [auth H]	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 L]	Light Chain	IGKV1	Kappa	nand peptide	SAbDab (2026-05-08)
A [auth H]	Heavy Chain	IGHV1	-	nand peptide	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth P]	NAND peptide	-	regulation of biological process biological process involved in interspecies interaction between organisms biological regulation positive regulation of biological process symbiont entry into host modulation by symbiont of entry into host positive regulation by symbiont of entry into host biological process involved in interaction with host biological process involved in symbiotic interaction regulation of biological process involved in symbiotic interaction symbiont entry into host cell viral process viral life cycle entry into host cell by a symbiont-containing vacuole regulation of biological process biological process involved in interspecies interaction between organisms biological regulation positive regulation of biological process symbiont entry into host modulation by symbiont of entry into host positive regulation by symbiont of entry into host biological process involved in interaction with host biological process involved in symbiotic interaction regulation of biological process involved in symbiotic interaction symbiont entry into host cell viral process viral life cycle entry into host cell by a symbiont-containing vacuole adhesion of symbiont to host cell adhesion of symbiont to host positive regulation of developmental process developmental process regulation of developmental process modulation of formation of structure involved in a symbiotic process positive regulation of development of symbiont in host formation of structure involved in a symbiotic process regulation of development of symbiont in host development of symbiont in host	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm
B [auth L]	3D11 Fab light chain	-	-	-
A [auth H]	3D11 Fab heavy 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

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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.