Annotations: 3CZ3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth A]	Cucumo_2B	e3cz3A1	A: alpha arrays	X: Protein 2b (From Topology)	H: Protein 2b (From Topology)	T: Protein 2b	F: Cucumo_2B	ECOD (1.6)
F [auth B]	Cucumo_2B	e3cz3B1	A: alpha arrays	X: Protein 2b (From Topology)	H: Protein 2b (From Topology)	T: Protein 2b	F: Cucumo_2B	ECOD (1.6)
G [auth C]	Cucumo_2B	e3cz3C1	A: alpha arrays	X: Protein 2b (From Topology)	H: Protein 2b (From Topology)	T: Protein 2b	F: Cucumo_2B	ECOD (1.6)
H [auth D]	Cucumo_2B	e3cz3D1	A: alpha arrays	X: Protein 2b (From Topology)	H: Protein 2b (From Topology)	T: Protein 2b	F: Cucumo_2B	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth A]	1.20.5.3800	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
F [auth B]	1.20.5.3800	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
G [auth C]	1.20.5.3800	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
H [auth D]	1.20.5.3800	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth A], F [auth B], G [auth C], H [auth D]	PF03263	Cucumovirus protein 2B (Cucumo_2B)	Cucumovirus protein 2B	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E], C [auth G]	RNA (5'-R(PCPGPUPAPCPGPCPGPGPAPAPUPAPCPUPUPCPGP*A)-3')	-	-	-
B [auth F], D [auth H]	RNA (5'-R(PUPCPGPAPAPGPUPAPUPUPCPCPGPCPGPUPAPCP*G)-3')	-	-	-
E [auth A], F [auth B], G [auth C], H [auth D]	Protein 2b	RNA binding binding organic cyclic compound binding nucleic acid binding	symbiont-mediated perturbation of host defense response response to host defenses biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to defenses of other organism modulation by virus of host process response to external stimulus virus-mediated perturbation of host defense response biological process involved in interaction with host response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated perturbation of host process viral process symbiont-mediated perturbation of host defense response response to host defenses biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to defenses of other organism modulation by virus of host process response to external stimulus virus-mediated perturbation of host defense response biological process involved in interaction with host response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated perturbation of host process viral process response to host response to external biotic stimulus modulation of process of another organism modulation by virus of host cellular process symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host defenses symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response response to host immune response symbiont-mediated suppression of host defenses symbiont-mediated perturbation of host innate immune response	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region cellular anatomical entity host cell nucleus host intracellular organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth A], F [auth B], G [auth C], H [auth D]	IPR004946	Cucumovirus protein 2B	Family

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.