Annotations: 6NK5

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth I]	SCOP2B Superfamily	Trypsin-like serine proteases	8071557	3000114	SCOP2B (2022-06-29)
F [auth J]	SCOP2B Superfamily	Trypsin-like serine proteases	8071557	3000114	SCOP2B (2022-06-29)
I [auth K]	SCOP2B Superfamily	Trypsin-like serine proteases	8071557	3000114	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Trypsin-like serine proteases	8071557	3000114	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Alpha_E1_glycop_2nd	e6nk5A2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E1_glycop_2nd	ECOD (1.6)
A	Alpha_E1_glycop_1st	e6nk5A1	A: beta complex topology	X: Viral glycoprotein, central and dimerisation domains-like	H: Viral glycoprotein, central and dimerisation domains (From Topology)	T: Viral glycoprotein, central and dimerisation domains	F: Alpha_E1_glycop_1st	ECOD (1.6)
A	Alpha_E1_glycop_like	e6nk5A3	A: extended segments	X: Transmembrane helix of E1 envelope glycoprotein (From Topology)	H: Transmembrane helix of E1 envelope glycoprotein (From Topology)	T: Transmembrane helix of E1 envelope glycoprotein	F: Alpha_E1_glycop_like	ECOD (1.6)
D [auth B]	Alpha_E1_glycop_2nd	e6nk5B2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E1_glycop_2nd	ECOD (1.6)
D [auth B]	Alpha_E1_glycop_1st	e6nk5B1	A: beta complex topology	X: Viral glycoprotein, central and dimerisation domains-like	H: Viral glycoprotein, central and dimerisation domains (From Topology)	T: Viral glycoprotein, central and dimerisation domains	F: Alpha_E1_glycop_1st	ECOD (1.6)
D [auth B]	Alpha_E1_glycop_like	e6nk5B3	A: extended segments	X: Transmembrane helix of E1 envelope glycoprotein (From Topology)	H: Transmembrane helix of E1 envelope glycoprotein (From Topology)	T: Transmembrane helix of E1 envelope glycoprotein	F: Alpha_E1_glycop_like	ECOD (1.6)
G [auth C]	Alpha_E1_glycop_2nd	e6nk5C1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E1_glycop_2nd	ECOD (1.6)
G [auth C]	Alpha_E1_glycop_1st	e6nk5C2	A: beta complex topology	X: Viral glycoprotein, central and dimerisation domains-like	H: Viral glycoprotein, central and dimerisation domains (From Topology)	T: Viral glycoprotein, central and dimerisation domains	F: Alpha_E1_glycop_1st	ECOD (1.6)
G [auth C]	Alpha_E1_glycop_like	e6nk5C3	A: extended segments	X: Transmembrane helix of E1 envelope glycoprotein (From Topology)	H: Transmembrane helix of E1 envelope glycoprotein (From Topology)	T: Transmembrane helix of E1 envelope glycoprotein	F: Alpha_E1_glycop_like	ECOD (1.6)
J [auth D]	Alpha_E1_glycop_2nd	e6nk5D1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E1_glycop_2nd	ECOD (1.6)
J [auth D]	Alpha_E1_glycop_1st	e6nk5D2	A: beta complex topology	X: Viral glycoprotein, central and dimerisation domains-like	H: Viral glycoprotein, central and dimerisation domains (From Topology)	T: Viral glycoprotein, central and dimerisation domains	F: Alpha_E1_glycop_1st	ECOD (1.6)
J [auth D]	Alpha_E1_glycop_like	e6nk5D3	A: extended segments	X: Transmembrane helix of E1 envelope glycoprotein (From Topology)	H: Transmembrane helix of E1 envelope glycoprotein (From Topology)	T: Transmembrane helix of E1 envelope glycoprotein	F: Alpha_E1_glycop_like	ECOD (1.6)
C [auth I]	Peptidase_S3	e6nk5I1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Peptidase_S3	ECOD (1.6)
F [auth J]	Peptidase_S3	e6nk5J1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Peptidase_S3	ECOD (1.6)
I [auth K]	Peptidase_S3	e6nk5K1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Peptidase_S3	ECOD (1.6)
L	Peptidase_S3	e6nk5L1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Peptidase_S3	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth B], G [auth C], J [auth D]	PF01589	Alphavirus E1 glycoprotein (Alpha_E1_glycop)	Alphavirus E1 glycoprotein	-	Family
B [auth E], E [auth F], H [auth G], K [auth H]	PF00943	Alphavirus E2 glycoprotein (Alpha_E2_glycop)	Alphavirus E2 glycoprotein	-	Family
B [auth E], E [auth F], H [auth G], K [auth H]	PF01589	Alphavirus E1 glycoprotein (Alpha_E1_glycop)	Alphavirus E1 glycoprotein	-	Family
C [auth I], F [auth J], I [auth K], L	PF00944	Alphavirus core protein (Peptidase_S3)	Alphavirus core protein	Also known as coat protein C and capsid protein C. This makes the literature very confusing. Alphaviruses consist of a nucleoprotein core, a lipid membrane which envelopes the core, and glycoprotein spikes protruding from the lipid membrane.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D [auth B], G [auth C], J [auth D]	E1 glycoprotein	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity RNA binding binding organic cyclic compound binding nucleic acid binding structural molecule activity	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host symbiont-mediated perturbation of host cellular process response to stimulus viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host symbiont-mediated perturbation of host cellular process response to stimulus response to biotic stimulus 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 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 response to host defenses response to other organism symbiont-mediated perturbation of host immune response response to defenses of other organism symbiont-mediated perturbation of host defenses response to external stimulus symbiont-mediated suppression of host signal transduction pathway modulation by symbiont of host process symbiont-mediated suppression of host toll-like receptor signaling pathway cellular process organic substance metabolic process organonitrogen compound metabolic process proteolysis nitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid host intracellular membrane-bounded organelle host cell nucleus host intracellular organelle
B [auth E], E [auth F], H [auth G], K [auth H]	E2 glycoprotein	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity RNA binding binding organic cyclic compound binding nucleic acid binding structural molecule activity	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host symbiont-mediated perturbation of host cellular process response to stimulus viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host symbiont-mediated perturbation of host cellular process response to stimulus response to biotic stimulus 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 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 response to host defenses response to other organism symbiont-mediated perturbation of host immune response response to defenses of other organism symbiont-mediated perturbation of host defenses response to external stimulus symbiont-mediated suppression of host signal transduction pathway modulation by symbiont of host process symbiont-mediated suppression of host toll-like receptor signaling pathway cellular process organic substance metabolic process organonitrogen compound metabolic process proteolysis nitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid host intracellular membrane-bounded organelle host cell nucleus host intracellular organelle
C [auth I], F [auth J], I [auth K], L	Capsid protein	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity RNA binding binding organic cyclic compound binding nucleic acid binding structural molecule activity	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host symbiont-mediated perturbation of host cellular process response to stimulus viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host symbiont-mediated perturbation of host cellular process response to stimulus response to biotic stimulus 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 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 response to host defenses response to other organism symbiont-mediated perturbation of host immune response response to defenses of other organism symbiont-mediated perturbation of host defenses response to external stimulus symbiont-mediated suppression of host signal transduction pathway modulation by symbiont of host process symbiont-mediated suppression of host toll-like receptor signaling pathway cellular process organic substance metabolic process organonitrogen compound metabolic process proteolysis nitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid host intracellular membrane-bounded organelle host cell nucleus host intracellular organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth B], G [auth C], J [auth D]	IPR002533	Alphavirus E3 spike glycoprotein	Domain
A, D [auth B], G [auth C], J [auth D]	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR042304	Alphavirus E2 glycoprotein, domain A	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR042305	Alphavirus E2 glycoprotein, domain B	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR042306	Alphavirus E2 glycoprotein, domain C	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR000936	Alphavirus E2 glycoprotein	Family
A, D [auth B], G [auth C], J [auth D]	IPR000930	Peptidase S3, togavirin	Domain
A, D [auth B], G [auth C], J [auth D]	IPR002548	Alphavirus E1 glycoprotein	Domain
A, D [auth B], G [auth C], J [auth D]	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily
A, D [auth B], G [auth C], J [auth D]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR002533	Alphavirus E3 spike glycoprotein	Domain
B [auth E], E [auth F], H [auth G], K [auth H]	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR014756	Immunoglobulin E-set	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR042304	Alphavirus E2 glycoprotein, domain A	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR042305	Alphavirus E2 glycoprotein, domain B	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR042306	Alphavirus E2 glycoprotein, domain C	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR000936	Alphavirus E2 glycoprotein	Family
B [auth E], E [auth F], H [auth G], K [auth H]	IPR000930	Peptidase S3, togavirin	Domain
B [auth E], E [auth F], H [auth G], K [auth H]	IPR002548	Alphavirus E1 glycoprotein	Domain
B [auth E], E [auth F], H [auth G], K [auth H]	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth E], E [auth F], H [auth G], K [auth H]	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR002533	Alphavirus E3 spike glycoprotein	Domain
C [auth I], F [auth J], I [auth K], L	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR014756	Immunoglobulin E-set	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR042304	Alphavirus E2 glycoprotein, domain A	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR042305	Alphavirus E2 glycoprotein, domain B	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR042306	Alphavirus E2 glycoprotein, domain C	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR000936	Alphavirus E2 glycoprotein	Family
C [auth I], F [auth J], I [auth K], L	IPR000930	Peptidase S3, togavirin	Domain
C [auth I], F [auth J], I [auth K], L	IPR002548	Alphavirus E1 glycoprotein	Domain
C [auth I], F [auth J], I [auth K], L	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily
C [auth I], F [auth J], I [auth K], L	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B [auth E], C [auth I], D [auth B], E [auth F] A, B [auth E], C [auth I], D [auth B], E [auth F], F [auth J], G [auth C], H [auth G], I [auth K], J [auth D], K [auth H], L	MemProtMD	Annotated as membrane protein by MemProtMD