1FN9 | pdb_00001fn9

CRYSTAL STRUCTURE OF THE REOVIRUS OUTER CAPSID PROTEIN SIGMA 3

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)
B	d1fn9b_	Alpha and beta proteins (a+b)	Outer capsid protein sigma 3	Outer capsid protein sigma 3	Outer capsid protein sigma 3	Outer capsid protein sigma 3	(Reovirus sp. ) [TaxId: 10891 ],	SCOPe (2.08)
A	d1fn9a_	Alpha and beta proteins (a+b)	Outer capsid protein sigma 3	Outer capsid protein sigma 3	Outer capsid protein sigma 3	Outer capsid protein sigma 3	(Reovirus sp. ) [TaxId: 10891 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Outer capsid protein sigma 3	8033116	3001282	SCOP2B (2022-06-29)
A	SCOP2 Family	Outer capsid protein sigma 3	8020736	4003686	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Outer capsid protein sigma 3	8033116	3001282	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)
B		e1fn9B1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: CBAH	F:	ECOD (20:10:01)
A		e1fn9A1	A: Outer capsid protein sigma 3-related	X: Outer capsid protein sigma 3-related	H: Outer capsid protein sigma 3-related	T: Reovirus_cap	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.1630.10	Alpha Beta	Alpha-Beta Complex	Outer-capsid protein sigma 3, small lobe	Outer-capsid protein sigma 3, small lobe	CATH (4.3.0)
B	3.90.1320.10	Alpha Beta	Alpha-Beta Complex	Outer-capsid protein sigma 3, large lobe	Outer-capsid protein sigma 3, large lobe	CATH (4.3.0)
A	3.90.1630.10	Alpha Beta	Alpha-Beta Complex	Outer-capsid protein sigma 3, small lobe	Outer-capsid protein sigma 3, small lobe	CATH (4.3.0)
A	3.90.1320.10	Alpha Beta	Alpha-Beta Complex	Outer-capsid protein sigma 3, large lobe	Outer-capsid protein sigma 3, large lobe	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	OUTER-CAPSID PROTEIN SIGMA 3	enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity structural molecule activity cation binding transition metal ion binding zinc ion binding ion binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity structural molecule activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding RNA binding nucleic acid binding	viral process viral life cycle symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus response to other organism symbiont-mediated perturbation of host defenses symbiont-mediated suppression of host PKR/eIFalpha signaling symbiont-mediated response to host defenses response to external stimulus response to biotic stimulus biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host signal transduction pathway viral process viral life cycle symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus response to other organism symbiont-mediated perturbation of host defenses symbiont-mediated suppression of host PKR/eIFalpha signaling symbiont-mediated response to host defenses response to external stimulus response to biotic stimulus biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host signal transduction pathway symbiont-mediated perturbation of host process symbiont-mediated suppression of host-directed shutoff of host translation symbiont-mediated suppression of host defenses response to host response to external biotic stimulus symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism symbiont-mediated perturbation of host defense response symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host innate immune response symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated suppression of host type I interferon-mediated signaling pathway	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle host cell cytoplasm viral capsid icosahedral viral capsid virion component viral outer capsid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000153	Reovirus, outer capsid sigma 3	Family
A, B	IPR023634	Reovirus, outer capsid sigma-3 domain superfamily	Homologous Superfamily

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.