Annotations: 6MUI

CryoEM structure of chimeric Eastern Equine Encephalitis Virus with Fab of EEEV-42 antibody

External Resource: Annotation

Domain Annotation: ECOD Classification
IMGT Antibody Annotation
SAbDab Antibody 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)
D	Lipocalin_7	e6muiD1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Lipocalin_7	ECOD (v295.2)
H	Mannosidase_ig	e6muiH1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
P	Mannosidase_ig	e6muiP1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
L	Mannosidase_ig	e6muiL1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
O	Mannosidase_ig	e6muiO1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
K	Mannosidase_ig	e6muiK1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
G	Mannosidase_ig	e6muiG1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
C	Lipocalin_7	e6muiC1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Lipocalin_7	ECOD (v295.2)
B	Mannosidase_ig	e6muiB1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
F	Mannosidase_ig	e6muiF1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
J	Mannosidase_ig	e6muiJ1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
N	Mannosidase_ig	e6muiN1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
A	Mannosidase_ig	e6muiA1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
E	Mannosidase_ig	e6muiE1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
I	Mannosidase_ig	e6muiI1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)
M	Mannosidase_ig	e6muiM1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: Mannosidase_ig	ECOD (v295.2)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
D, H, L, P	Fab EEEV-3	L-LAMBDA	Mus musculus (house mouse)	IGLV101, IGLJ101, IGLC1*01	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-2C_LAMBDA	IMGT (202633-0)
C, G, K, O	Fab EEEV-3	VH-CH1	Mus musculus (house mouse)	IGHV9-101, IGHJ201, IGHG2C01, IGHG2C02, IGHG2C*03	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2C_LAMBDA	IMGT (202633-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D, H, L, P	Light Chain	IGLV1	Lambda	e2	SAbDab (2026-08-28)
C, G, K, O	Heavy Chain	IGHV9	-	e2	SAbDab (2026-08-28)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, H, L, P	EEEV-42 antibody light chain	-	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex
C, G, K, O	EEEV-42 antibody heavy chain	-	-	-
B, F, J, N	E2	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 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 symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host viral life cycle viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host viral life cycle symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host toll-like receptor signaling pathway symbiont-mediated perturbation of host signal transduction pathway virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part 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
A, E, I, M	E1	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 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 symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host viral life cycle viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host viral life cycle symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host toll-like receptor signaling pathway symbiont-mediated perturbation of host signal transduction pathway virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part host intracellular part host cell cytoplasm host intracellular region virion component virion membrane viral capsid icosahedral viral capsid T=4 icosahedral viral capsid host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part 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
D, H, L, P	IPR003597	Immunoglobulin C1-set	Domain
D, H, L, P	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D, H, L, P	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D, H, L, P	IPR013106	Immunoglobulin V-set domain	Domain
D, H, L, P	IPR003599	Immunoglobulin domain subtype	Domain
D, H, L, P	IPR007110	Immunoglobulin-like domain	Domain
D, H, L, P	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
D, H, L, P	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B, F, J, N	IPR002533	Alphavirus E3 spike glycoprotein	Domain
B, F, J, N	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
B, F, J, N	IPR014756	Immunoglobulin E-set	Homologous Superfamily
B, F, J, N	IPR042304	Alphavirus E2 glycoprotein, domain A	Homologous Superfamily
B, F, J, N	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
B, F, J, N	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
B, F, J, N	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
B, F, J, N	IPR042305	Alphavirus E2 glycoprotein, domain B	Homologous Superfamily
B, F, J, N	IPR042306	Alphavirus E2 glycoprotein, domain C	Homologous Superfamily
B, F, J, N	IPR000936	Alphavirus E2 glycoprotein	Family
B, F, J, N	IPR000930	Peptidase S3, togavirin	Domain
B, F, J, N	IPR002548	Alphavirus E1 glycoprotein	Domain
B, F, J, N	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily
A, E, I, M	IPR002533	Alphavirus E3 spike glycoprotein	Domain
A, E, I, M	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
A, E, I, M	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, E, I, M	IPR042304	Alphavirus E2 glycoprotein, domain A	Homologous Superfamily
A, E, I, M	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
A, E, I, M	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
A, E, I, M	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, E, I, M	IPR042305	Alphavirus E2 glycoprotein, domain B	Homologous Superfamily
A, E, I, M	IPR042306	Alphavirus E2 glycoprotein, domain C	Homologous Superfamily
A, E, I, M	IPR000936	Alphavirus E2 glycoprotein	Family
A, E, I, M	IPR000930	Peptidase S3, togavirin	Domain
A, E, I, M	IPR002548	Alphavirus E1 glycoprotein	Domain
A, E, I, M	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily