Annotations: 8XK6

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth H]	CoV_NSP8	e8xk6H01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: CoV_NSP8	ECOD (v294.1)
C [auth L]	CoV_NSP8	e8xk6L01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: CoV_NSP8	ECOD (v294.1)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV1	-	envelopment polyprotein	SAbDab (2026-03-27)
C [auth L]	Light Chain	IGKV3	Kappa	envelopment polyprotein	SAbDab (2026-03-27)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Envelopment polyprotein	-	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane membrane virion component virion membrane host cell Golgi membrane host cell Golgi apparatus
B [auth H]	mAb S2A5 Fab heavy chain	-	-	-
C [auth L]	mAb S2A5 Fab light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR010826	Phlebovirus glycoprotein G1	Domain
A	IPR043603	Phlebovirus glycoprotein G2, C-terminal domain	Domain
A	IPR009878	Phlebovirus glycoprotein G2, fusion domain	Domain

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.