Annotations: 9CYT

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth I]	SCOP2B Superfamily	Outer capsid protein sigma 3	8033116	3001282	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Outer capsid protein sigma 3	8033116	3001282	SCOP2B (2022-06-29)
J [auth L]	SCOP2B Superfamily	Outer capsid protein sigma 3	8033116	3001282	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth J]	PF21064	Reovirus core-spike protein lambda-2 (L2), N-terminal (Reovirus_L2_N)	Reovirus core-spike protein lambda-2 (L2), N-terminal	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top [2]. This entry represents the N-terminal domain which adopts an alpha/beta topology.	Domain
A [auth J]	PF21063	Reovirus core-spike protein lambda-2 (L2), GTase domain (Reovirus_L2_GTase)	Reovirus core-spike protein lambda-2 (L2), GTase domain	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the second one, which contains the nucleotide-binding histidine triad (HIT)-like motif from the GTase (guanylyltransferase) domain [2].	Domain
A [auth J]	PF21066	Reovirus core-spike protein lambda-2 (L2), methyltransferase-2 (Reovirus_L2_MT2)	Reovirus core-spike protein lambda-2 (L2), methyltransferase-2	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the second methyltransferase domain (MT2), which catalyses the last reaction, 2'O-methylation [2].	Domain
A [auth J]	PF21065	Reovirus core-spike protein lambda-2 (L2), methyltransferase-1 (Reovirus_L2_MT1)	Reovirus core-spike protein lambda-2 (L2), methyltransferase-1	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the methyltransferase-1 domain [2] which adds a methyl group to the N7 of the guanosine added by the GTase [2].	Domain
A [auth J]	PF21060	Reovirus core-spike protein lambda-2 (L2), 6th domain (Reovirus_L2_6th)	Reovirus core-spike protein lambda-2 (L2), 6th domain	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the sixth domain which, together with the seventh and eighth (Pfam:PF06016) domains forms a three-domain flap at the top of the turret, that may serve as a gate to retard exit of the 5' terminus of the mRNA [2]. This domain has a Ig-like fold, resembling the V of an antibody light chain [2].	Domain
A [auth J]	PF21062	Reovirus core-spike protein lambda-2 (L2), ferredoxin-like domain (Reovirus_L2_4th)	Reovirus core-spike protein lambda-2 (L2), ferredoxin-like domain	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the fourth domain, which adopts a ferredoxin-like fold consisting of four beta-strands protected by alpha-helices that probably functions as a structural support for the three enzyme domains (two methyltransferase and GTase domains) [2].	Domain
A [auth J]	PF06016	Reovirus core-spike protein lambda-2 (L2), C-terminal (Reovirus_L2_8th)	Reovirus core-spike protein lambda-2 (L2), C-terminal	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the C-terminal (eighth) domain which, together with the sixth and seventh domains, forms a three-domain flap at the top of the turret, that may serve as a gate to retard exit of the 5' terminus of the mRNA [2]. This domain has a Ig-like, resembling a truncated V region of an antibody light chain.	Domain
A [auth J]	PF21061	Reovirus core-spike protein lambda-2 (L2), 7th domain (Reovirus_L2_7th)	Reovirus core-spike protein lambda-2 (L2), 7th domain	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight dom ...	Reovirus core-spike protein VP1/lambda-2 (VP1/L2) forms a pentamer that mediates enzymatic reactions in 5' capping of the viral plus-strand transcripts [1]. It forms a hollow cylinder with projecting turrets. Each VP1/L2 monomer consists of eight domains with the most N-terminal domain at the base of the turret and the most C-terminal domain at the top. This entry represents the seventh domain which, together with the sixth (Pfam:PF21060) and eighth (Pfam:PF06016) domains forms a three-domain flap at the top of the turret, that may serve as a gate to retard exit of the 5' terminus of the mRNA [2]. This domain has a Ig-like fold, resembling the C region of an antibody light chain [2].	Domain
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	PF05993	Reovirus major virion structural protein Mu-1/Mu-1C (M2) (Reovirus_M2)	Reovirus major virion structural protein Mu-1/Mu-1C (M2)	-	Family
D [auth I], G, J [auth L]	PF00979	Reovirus outer capsid protein, Sigma 3 (Reovirus_cap)	Reovirus outer capsid protein, Sigma 3	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth J]	Outer capsid protein lambda-2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding guanylyltransferase activity mRNA guanylyltransferase activity RNA guanylyltransferase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid transferase activity catalytic activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups RNA methyltransferase activity transferase activity, transferring one-carbon groups S-adenosylmethionine-dependent methyltransferase activity mRNA 5'-cap (guanine-N7-)-methyltransferase activity N-methyltransferase activity methyltransferase activity mRNA methyltransferase activity guanyl nucleotide binding GTP binding guanyl ribonucleotide binding	-	viral capsid icosahedral viral capsid virion component viral outer capsid
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	Outer capsid protein mu-1N	host cell surface binding binding	symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms symbiont entry into host cell via permeabilization of host membrane viral life cycle symbiont-mediated disruption of host cellular anatomical structure biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host membrane symbiont entry into host cell viral process symbiont entry into host disruption of anatomical structure in another organism	cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell cytoplasm host cell part host cell endoplasmic reticulum host intracellular region host cell cytoplasm part host intracellular organelle host cell mitochondrion host cell plasma membrane host cell membrane cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell cytoplasm host cell part host cell endoplasmic reticulum host intracellular region host cell cytoplasm part host intracellular organelle host cell mitochondrion host cell plasma membrane host cell membrane viral capsid icosahedral viral capsid virion component viral outer capsid
D [auth I], G, J [auth L]	Outer capsid protein sigma-3	protein serine/threonine kinase activity enzyme regulator activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity enzyme inhibitor activity protein kinase regulator activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity catalytic activity protein serine/threonine kinase activity enzyme regulator activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity enzyme inhibitor activity protein kinase regulator activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity catalytic 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 regulation of biosynthetic process regulation of biological process regulation of cellular process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression viral process viral life cycle regulation of biosynthetic process regulation of biological process regulation of cellular process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of gene expression biosynthetic process regulation of translation regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process protein metabolic process regulation of metabolic process 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 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 [auth J]	IPR048601	Reovirus core-spike protein lambda-2-like, GTase domain	Domain
A [auth J]	IPR048602	Reovirus core-spike protein lambda-2-like, 7th domain	Domain
A [auth J]	IPR048604	Reovirus core-spike protein lambda-2-like, ferredoxin-like domain	Domain
A [auth J]	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A [auth J]	IPR048598	Reovirus core-spike protein lambda-2-like, first methyltransferase domain	Domain
A [auth J]	IPR048596	Reovirus core-spike protein lambda-2-like, N-terminal domain	Domain
A [auth J]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth J]	IPR048603	Reovirus core-spike protein lambda-2-like, 6th domain	Domain
A [auth J]	IPR010311	Reovirus core-spike lambda-2	Family
A [auth J]	IPR048597	Reovirus core-spike protein lambda-2-like, second methyltransferase domain	Domain
A [auth J]	IPR048294	Reovirus core-spike protein lambda-2-like, C-terminal domain	Domain
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	IPR015961	Mu1 membrane penetration protein, domain I	Homologous Superfamily
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	IPR015960	Mu1 membrane penetration protein, domain IV	Homologous Superfamily
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	IPR036256	Mu1/VP4 superfamily	Homologous Superfamily
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	IPR009113	Outer capsid protein Mu1/VP4	Family
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	IPR015962	Mu1 membrane penetration protein, domain II	Homologous Superfamily
B [auth A], C [auth B], E [auth D], F, H [auth E], B [auth A], C [auth B], E [auth D], F, H [auth E], I [auth H]	IPR044937	Mu1 membrane penetration protein, domain III	Homologous Superfamily
D [auth I], G, J [auth L]	IPR000153	Reovirus, outer capsid sigma 3	Family
D [auth I], G, J [auth L]	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.