Annotations: 4GU3

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	DSBA	e4gu3C3	A: beta barrels	X: Fusion glycoprotein F2	H: RIFT-related	T: double psi	F: DSBA	ECOD (v294.2)
B	DSBA	e4gu3B3	A: beta barrels	X: Fusion glycoprotein F2	H: RIFT-related	T: double psi	F: DSBA	ECOD (v294.2)
A	EF-hand_1, EF-hand_5, EF-hand_7	e4gu3A5	A: beta barrels	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: EF-hand_1, EF-hand_5, EF-hand_7	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.10.25.20	Mainly Beta	Ribbon	Laminin	reovirus attachment protein sigma1	CATH (4.3.0)
C	2.60.90.20	Mainly Beta	Sandwich	Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)	Virus attachment protein , globular domain	CATH (4.3.0)
B	2.10.25.20	Mainly Beta	Ribbon	Laminin	reovirus attachment protein sigma1	CATH (4.3.0)
B	2.60.90.20	Mainly Beta	Sandwich	Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)	Virus attachment protein , globular domain	CATH (4.3.0)
A	2.10.25.20	Mainly Beta	Ribbon	Laminin	reovirus attachment protein sigma1	CATH (4.3.0)
A	2.60.90.20	Mainly Beta	Sandwich	Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)	Virus attachment protein , globular domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Outer capsid protein sigma-1	-	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction cell adhesion cellular process symbiont entry into host cell symbiont entry into host	viral capsid virion component icosahedral viral capsid viral outer capsid