Annotations: 1KKE

Crystal Structure of Reovirus Attachment Protein Sigma1 Trimer

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1kkec2	All beta proteins	Virus attachment protein globular domain	Virus attachment protein globular domain	Reovirus attachment protein sigma 1 head domain	Reovirus attachment protein sigma 1 head domain	(Mammalian orthoreovirus 3 Dearing ) [TaxId: 10886 ],	SCOPe (2.08)
C	d1kkec1	All beta proteins	Triple beta-spiral	Fibre shaft of virus attachment proteins	Reovirus attachment protein sigma 1	Reovirus attachment protein sigma 1	(Mammalian orthoreovirus 3 Dearing ) [TaxId: 10886 ],	SCOPe (2.08)
B	d1kkeb2	All beta proteins	Virus attachment protein globular domain	Virus attachment protein globular domain	Reovirus attachment protein sigma 1 head domain	Reovirus attachment protein sigma 1 head domain	(Mammalian orthoreovirus 3 Dearing ) [TaxId: 10886 ],	SCOPe (2.08)
B	d1kkeb1	All beta proteins	Triple beta-spiral	Fibre shaft of virus attachment proteins	Reovirus attachment protein sigma 1	Reovirus attachment protein sigma 1	(Mammalian orthoreovirus 3 Dearing ) [TaxId: 10886 ],	SCOPe (2.08)
A	d1kkea2	All beta proteins	Virus attachment protein globular domain	Virus attachment protein globular domain	Reovirus attachment protein sigma 1 head domain	Reovirus attachment protein sigma 1 head domain	(Mammalian orthoreovirus 3 Dearing ) [TaxId: 10886 ],	SCOPe (2.08)
A	d1kkea1	All beta proteins	Triple beta-spiral	Fibre shaft of virus attachment proteins	Reovirus attachment protein sigma 1	Reovirus attachment protein sigma 1	(Mammalian orthoreovirus 3 Dearing ) [TaxId: 10886 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Virus attachment protein globular domain	8038299	3001376	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Fibre shaft of virus attachment proteins	8038300	3001872	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Virus attachment protein globular domain	8038299	3001376	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Fibre shaft of virus attachment proteins	8038300	3001872	SCOP2B (2022-06-29)
A	SCOP2 Family	Reovirus attachment protein sigma 1 head domain	8025920	4003037	SCOP2 (2022-06-29)
A	SCOP2 Family	Reovirus attachment protein sigma 1	8025921	4003157	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Virus attachment protein globular domain	8038299	3001376	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Fibre shaft of virus attachment proteins	8038300	3001872	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Ldl_recept_b	e1kkeC1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Ldl_recept_b	ECOD (v295.2)
B		e1kkeB2	A: beta duplicates or obligate multimers	X: Triple beta-spiral	H: Triple beta-spiral	T: Triple beta-spiral	F:	ECOD (v295.2)
B	Ldl_recept_b	e1kkeB1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Ldl_recept_b	ECOD (v295.2)
A	Reo_sigma1	e1kkeA1	A: beta sandwiches	X: Domain in virus attachment proteins	H: Domain in virus attachment proteins	T: Domain in virus attachment proteins	F: Reo_sigma1	ECOD (v295.2)
A		e1kkeA2	A: beta duplicates or obligate multimers	X: Triple beta-spiral	H: Triple beta-spiral	T: Triple beta-spiral	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	SIGMA 1 PROTEIN	-	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 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 icosahedral viral capsid virion component viral outer capsid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR009013	Attachment protein shaft domain superfamily	Homologous Superfamily
A, B, C	IPR002592	Outer capsid protein sigma-1, C-terminal domain	Domain
A, B, C	IPR008982	Adenovirus pIV-like, attachment domain	Homologous Superfamily