3MUU

Crystal structure of the Sindbis virus E2-E1 heterodimer at low pH

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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	e3muuA3	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_E2_glycop_1st	e3muuA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_1st	ECOD (1.6)
A	Alpha_E2_glycop_3rd	e3muuA4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_3rd	ECOD (1.6)
A	Alpha_E1_glycop_1st	e3muuA1	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)
C	Alpha_E1_glycop_2nd	e3muuC2	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)
C	Alpha_E2_glycop_1st	e3muuC3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_1st	ECOD (1.6)
C	Alpha_E2_glycop_2nd,Alpha_E2_glycop_3rd	e3muuC4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_2nd,Alpha_E2_glycop_3rd	ECOD (1.6)
C	Alpha_E1_glycop_1st	e3muuC1	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	Alpha_E1_glycop_2nd	e3muuD2	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	Alpha_E2_glycop_1st	e3muuD3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_1st	ECOD (1.6)
D	Alpha_E2_glycop_3rd	e3muuD4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_3rd	ECOD (1.6)
D	Alpha_E1_glycop_1st	e3muuD1	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)
F	Alpha_E1_glycop_2nd	e3muuF2	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)
F	Alpha_E2_glycop_1st	e3muuF3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_1st	ECOD (1.6)
F	Alpha_E2_glycop_3rd	e3muuF4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_3rd	ECOD (1.6)
F	Alpha_E1_glycop_1st	e3muuF1	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)
B	Alpha_E1_glycop_2nd	e3muuB2	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)
B	Alpha_E2_glycop_1st	e3muuB3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_1st	ECOD (1.6)
B	Alpha_E2_glycop_2nd,Alpha_E2_glycop_3rd	e3muuB4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_2nd,Alpha_E2_glycop_3rd	ECOD (1.6)
B	Alpha_E1_glycop_1st	e3muuB1	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)
E	Alpha_E1_glycop_2nd	e3muuE2	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)
E	Alpha_E2_glycop_1st	e3muuE3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_1st	ECOD (1.6)
E	Alpha_E2_glycop_2nd,Alpha_E2_glycop_3rd	e3muuE4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_E2_glycop_2nd,Alpha_E2_glycop_3rd	ECOD (1.6)
E	Alpha_E1_glycop_1st	e3muuE1	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)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.3200	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, A domain	CATH (4.3.0)
A	2.60.40.2400	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, domain C	CATH (4.3.0)
A	2.60.40.350	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
C	2.60.40.3200	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, A domain	CATH (4.3.0)
C	2.60.40.2400	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, domain C	CATH (4.3.0)
C	2.60.40.350	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
D	2.60.40.3200	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, A domain	CATH (4.3.0)
D	2.60.40.2400	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, domain C	CATH (4.3.0)
D	2.60.40.350	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
F	2.60.40.3200	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, A domain	CATH (4.3.0)
F	2.60.40.2400	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, domain C	CATH (4.3.0)
F	2.60.40.350	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
B	2.60.40.3200	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, A domain	CATH (4.3.0)
B	2.60.40.2400	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, domain C	CATH (4.3.0)
B	2.60.40.350	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
E	2.60.40.3200	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, A domain	CATH (4.3.0)
E	2.60.40.2400	Mainly Beta	Sandwich	Immunoglobulin-like	Alphavirus E2 glycoprotein, domain C	CATH (4.3.0)
E	2.60.40.350	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF00943	Alphavirus E2 glycoprotein (Alpha_E2_glycop)	Alphavirus E2 glycoprotein	-	Family
A, B, C, D, E A, B, C, D, E, F	PF01589	Alphavirus E1 glycoprotein (Alpha_E1_glycop)	Alphavirus E1 glycoprotein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Structural polyprotein	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 protein binding ubiquitin-like protein ligase binding 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 protein binding ubiquitin-like protein ligase binding enzyme binding structural molecule activity	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion cellular process cellular component organization or biogenesis symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated suppression of host immune response viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion cellular process cellular component organization or biogenesis symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus response to biotic stimulus biological process involved in symbiotic interaction 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 biological process involved in interaction with host symbiont-mediated suppression of host signal transduction pathway modulation by symbiont of host process symbiont-mediated suppression of host toll-like receptor signaling pathway import into cell receptor-mediated endocytosis of virus by host cell transport viral life cycle establishment of localization vesicle-mediated transport localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell transport of virus virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	membrane cellular anatomical entity viral capsid icosahedral viral capsid virion component icosahedral viral capsid, spike host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion membrane membrane cellular anatomical entity viral capsid icosahedral viral capsid virion component icosahedral viral capsid, spike host cell plasma membrane host cellular component host cell part host cell membrane host intracellular part host cell cytoplasm host intracellular region virion membrane T=4 icosahedral viral capsid host intracellular membrane-bounded organelle host cell nucleus host intracellular organelle viral membrane viral envelope

InterPro: Protein Family Classification InterPro Database Homepage

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

Prepare Data

Validate Data

Deposit Data

Help and Resources

3MUU

Crystal structure of the Sindbis virus E2-E1 heterodimer at low pH

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage