Annotations: 9CB1

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
I	WD40	e9cb1I1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)
H	WD40	e9cb1H1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)
G	WD40	e9cb1G1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, B, C	Heavy Chain	IGHV1	-	fusion glycoprotein f0	SAbDab (2026-06-05)
D, E, F	Light Chain	IGKV1	Kappa	fusion glycoprotein f0	SAbDab (2026-06-05)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	5-1 Fab Heavy Chain Variable Domain	-	-	-
D, E, F	5-1 Fab Light Chain Variable Domain	-	-	-
G, H, I	Fusion glycoprotein F0	-	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane