Annotations: 2R6P

Fit of E protein and Fab 1A1D-2 into 24 angstrom resolution cryoEM map of Fab complexed with dengue 2 virus.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Viral glycoprotein, central and dimerisation domains	8034064	3000293	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	E set domains	8054973	3000070	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Viral glycoprotein, central and dimerisation domains	8034064	3000293	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	E set domains	8054973	3000070	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	E set domains	8054973	3000070	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Viral glycoprotein, central and dimerisation domains	8034064	3000293	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)
G	Proteasome	e2r6pG1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	ECOD (v295.2)
E	Proteasome	e2r6pE1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	ECOD (v295.2)
F	Proteasome	e2r6pF1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	ECOD (v295.2)
D	Proteasome	e2r6pD1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	ECOD (v295.2)
C	Proteasome	e2r6pC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	ECOD (v295.2)
B	Proteasome	e2r6pB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	ECOD (v295.2)
A	Proteasome	e2r6pA1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Proteasome	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
E, G	Fab 1A1D-2	L-KAPPA	Mus musculus (house mouse)	IGKV3-501, IGKJ102, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202635-0)
D, F	Fab 1A1D-2	VH-CH1	Mus musculus (house mouse)	IGHV14-302, IGHJ301, IGHG1*02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202635-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
E, G	Light Chain	IGKV3	Kappa	major envelope protein e	SAbDab (2026-09-11)
D, F	Heavy Chain	IGHV14	-	major envelope protein e	SAbDab (2026-09-11)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E, G	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
D, F	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E, G	Light chain of 1A1D-2	-	response to stimulus immune response immune system process	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex immunoglobulin complex extracellular region
D, F	Heavy chain of 1A1D-2	protein-containing complex binding protein binding binding signaling receptor binding immunoglobulin receptor binding Fc-gamma receptor I complex binding antigen binding	regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process membrane organization import into cell transport establishment of localization cellular component organization localization phagocytosis, engulfment membrane invagination cellular process phagocytosis cellular component organization or biogenesis endocytosis plasma membrane invagination positive regulation of acute inflammatory response to antigenic stimulus regulation of immune effector process regulation of acute inflammatory response to antigenic stimulus positive regulation of leukocyte mediated immunity inflammatory response to antigenic stimulus positive regulation of hypersensitivity positive regulation of inflammatory response positive regulation of adaptive immune response positive regulation of immunoglobulin mediated immune response hypersensitivity regulation of adaptive immune response response to external stimulus regulation of inflammatory response regulation of B cell mediated immunity regulation of leukocyte mediated immunity positive regulation of defense response regulation of acute inflammatory response inflammatory response positive regulation of type I hypersensitivity regulation of type I hypersensitivity regulation of defense response regulation of response to external stimulus positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of acute inflammatory response positive regulation of B cell mediated immunity type I hypersensitivity positive regulation of response to external stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains response to stress regulation of response to stress regulation of immunoglobulin mediated immune response positive regulation of immune effector process acute inflammatory response regulation of hypersensitivity defense response regulation of inflammatory response to antigenic stimulus acute inflammatory response to antigenic stimulus positive regulation of inflammatory response to antigenic stimulus regulation of lymphocyte mediated immunity myeloid leukocyte mediated immunity antibody-dependent cellular cytotoxicity leukocyte mediated cytotoxicity type II hypersensitivity type IIa hypersensitivity cell killing cellular localization endosome to lysosome transport intracellular transport lysosomal transport vesicle-mediated transport establishment of localization in cell vacuolar transport humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin complement activation, classical pathway activation of immune response regulation of cellular process regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process regulation of primary metabolic process regulation of proteolysis proteolysis metabolic process protein metabolic process macromolecule metabolic process regulation of metabolic process biological process involved in interspecies interaction between organisms response to other organism antibacterial humoral response defense response to symbiont antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus regulation of localization positive regulation of cellular component organization regulation of cellular component organization positive regulation of endocytosis positive regulation of cellular process regulation of endocytosis regulation of transport regulation of phagocytosis positive regulation of phagocytosis positive regulation of transport regulation of myeloid leukocyte mediated immunity regulation of type IIa hypersensitivity regulation of type II hypersensitivity positive regulation of myeloid leukocyte mediated immunity positive regulation of type IIa hypersensitivity positive regulation of type II hypersensitivity multicellular organismal process regulation of leukocyte activation regulation of cell activation lymphocyte activation leukocyte activation positive regulation of lymphocyte activation positive regulation of cell activation regulation of B cell activation positive regulation of leukocyte activation regulation of multicellular organismal process B cell activation cell activation positive regulation of B cell activation positive regulation of multicellular organismal process regulation of lymphocyte activation antigen processing and presentation endosomal transport vesicle-mediated transport between endosomal compartments early endosome to late endosome transport phagocytosis, recognition cell recognition	cell periphery cellular anatomical structure plasma membrane membrane IgG immunoglobulin complex protein-containing complex immunoglobulin complex membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cell periphery cellular anatomical structure plasma membrane membrane IgG immunoglobulin complex protein-containing complex immunoglobulin complex membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle late endosome cytoplasm multivesicular body vesicle extracellular region extracellular protein-containing complex immunoglobulin complex, circulating
A, B, C	Major envelope protein E	RNA methyltransferase activity O-methyltransferase activity methyltransferase cap1 activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity methyltransferase activity catalytic activity RNA binding double-stranded RNA binding binding nucleic acid binding RNA-directed RNA polymerase activity RNA methyltransferase activity O-methyltransferase activity methyltransferase cap1 activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity methyltransferase activity catalytic activity RNA binding double-stranded RNA binding binding nucleic acid binding RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity RNA polymerase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity endopeptidase activity 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 molecular adaptor activity nucleic acid conformation isomerase activity isomerase activity helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity ATP-dependent activity protein binding protein dimerization activity cation binding metal ion binding S-adenosylmethionine-dependent methyltransferase activity mRNA 5'-cap (guanine-N7-)-methyltransferase activity N-methyltransferase activity mRNA methyltransferase activity lipid binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity structural molecule activity	RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process cellular process macromolecule metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host autophagy modulation of process of another organism symbiont-mediated activation of host autophagy biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated suppression of host type I interferon-mediated signaling pathway symbiont-mediated perturbation of host signal transduction pathway fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell symbiont-mediated suppression of host JAK-STAT cascade symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT activity import into cell receptor-mediated endocytosis of virus by host cell transport 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 transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport symbiont-mediated perturbation of host defense response symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity symbiont-mediated suppression of host pathogen-associated molecular pattern receptor signaling pathway symbiont-mediated perturbation of host immune response symbiont-mediated suppression of host immune response symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host innate immune response virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity proteolysis protein metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell nucleus other organism part host cell nucleolus host cell nuclear part host intracellular organelle cellular anatomical structure host cell part host intracellular region host cell cytoplasm host cell mitochondrion host cell cytoplasm part host intracellular membrane-bounded organelle host cellular component host intracellular part host cell nucleus other organism part host cell nucleolus host cell nuclear part host intracellular organelle cellular anatomical structure host cell part host intracellular region host cell cytoplasm host cell mitochondrion host cell cytoplasm part host cell endoplasmic reticulum host cell membrane host cell endomembrane system host cell endoplasmic reticulum membrane viral capsid virion component host cell perinuclear region of cytoplasm virion membrane extracellular region viral membrane viral envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E, G	IPR050150	Immunoglobulin Variable Light Chain	Family
E, G	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E, G	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E, G	IPR013106	Immunoglobulin V-set domain	Domain
E, G	IPR003599	Immunoglobulin domain subtype	Domain
E, G	IPR007110	Immunoglobulin-like domain	Domain
D, F	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D, F	IPR003597	Immunoglobulin C1-set	Domain
D, F	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
D, F	IPR050380	Immune Recognition and Response Modulators	Family
D, F	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D, F	IPR007110	Immunoglobulin-like domain	Domain
A, B, C	IPR000208	RNA-directed RNA polymerase, fingers/palm subdomains, flavivirus	Domain
A, B, C	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, B, C	IPR001122	Capsid protein C, flavivirus	Domain
A, B, C	IPR027287	Glycoprotein E, immunoglobulin-like domain, flavivirus	Domain
A, B, C	IPR014412	Genome polyprotein, Flavivirus	Family
A, B, C	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
A, B, C	IPR011492	Non-structural protein NS3-like, DEAD-box helicase, flavivirus	Domain
A, B, C	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B, C	IPR026490	mRNA cap 0/1 methyltransferase	Domain
A, B, C	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B, C	IPR001650	Helicase, C-terminal domain-like	Domain
A, B, C	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
A, B, C	IPR013755	Flaviviral glycoprotein E, central domain, subdomain 1	Homologous Superfamily
A, B, C	IPR000752	Flavivirus non-structural protein NS2A	Domain
A, B, C	IPR047530	RNA-dependent RNA polymerase, flavivirus	Domain
A, B, C	IPR049486	Flavivridae NS3 helicase, C-terminal helical domain	Domain
A, B, C	IPR046811	RNA-directed RNA polymerase, thumb subdomain, flavivirus	Domain
A, B, C	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
A, B, C	IPR002877	Ribosomal RNA methyltransferase, FtsJ domain	Domain
A, B, C	IPR038302	Envelope glycoprotein M superfamily, flavivirus	Homologous Superfamily
A, B, C	IPR000069	Envelope glycoprotein M, flavivirus	Domain
A, B, C	IPR038345	Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily	Homologous Superfamily
A, B, C	IPR038688	Flavivirus polyprotein propeptide superfamily	Homologous Superfamily
A, B, C	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C	IPR026470	Flavivirus envelope glycoprotein E, Stem/Anchor domain	Domain
A, B, C	IPR011998	Envelope glycoprotein E, central and dimerisation domain, flavivirus	Domain
A, B, C	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A, B, C	IPR037172	Flavivirus capsid protein C superfamily	Homologous Superfamily
A, B, C	IPR000404	Flavivirus non-structural protein NS4A	Domain
A, B, C	IPR000487	Non-structural protein NS2B, flavivirus	Domain
A, B, C	IPR001528	Flavivirus non-structural protein NS4B	Domain
A, B, C	IPR001157	Non-structural protein NS1, flavivirus	Domain
A, B, C	IPR013756	Flaviviral glycoprotein E, central domain, subdomain 2	Homologous Superfamily
A, B, C	IPR001850	Non-structural protein NS3, peptidase S7, flavivirus	Domain
A, B, C	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily
A, B, C	IPR002535	Flavivirus polyprotein propeptide	Domain
A, B, C	IPR007094	RNA-directed RNA polymerase, catalytic domain	Domain