3IXY | pdb_00003ixy

The pseudo-atomic structure of dengue immature virus in complex with Fab fragments of the anti-fusion loop antibody E53

External Resource: Annotation

Domain Annotation: ECOD Classification
IMGT Antibody Annotation
SAbDab Antibody Annotation
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	Flavi_glycop_C	e3ixyA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Flavi_glycop_C	ECOD (1.6)
A	Flavi_glycoprot	e3ixyA2	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: Flavi_glycoprot	ECOD (1.6)
B	Flavi_glycop_C	e3ixyB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Flavi_glycop_C	ECOD (1.6)
B	Flavi_glycoprot	e3ixyB2	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: Flavi_glycoprot	ECOD (1.6)
C	Flavi_glycop_C	e3ixyC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Flavi_glycop_C	ECOD (1.6)
C	Flavi_glycoprot	e3ixyC2	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: Flavi_glycoprot	ECOD (1.6)
D	Flavi_propep	e3ixyD1	A: beta sandwiches	X: HSP40/DnaJ peptide-binding domain (From Topology)	H: HSP40/DnaJ peptide-binding domain (From Topology)	T: HSP40/DnaJ peptide-binding domain	F: Flavi_propep	ECOD (1.6)
E	Flavi_propep	e3ixyE1	A: beta sandwiches	X: HSP40/DnaJ peptide-binding domain (From Topology)	H: HSP40/DnaJ peptide-binding domain (From Topology)	T: HSP40/DnaJ peptide-binding domain	F: Flavi_propep	ECOD (1.6)
F	Flavi_propep	e3ixyF1	A: beta sandwiches	X: HSP40/DnaJ peptide-binding domain (From Topology)	H: HSP40/DnaJ peptide-binding domain (From Topology)	T: HSP40/DnaJ peptide-binding domain	F: Flavi_propep	ECOD (1.6)
G	C1-set_1	e3ixyG2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
G	V-set_12	e3ixyG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
I	C1-set_1	e3ixyI2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
I	V-set_12	e3ixyI1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
H	C1-set_4	e3ixyH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
H	V-set	e3ixyH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
J	C1-set_4	e3ixyJ2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
J	V-set	e3ixyJ1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)

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
G, I	Fab E53	VH-CH1	Mus musculus (house mouse)	IGHV7-302, IGHJ101, IGHJ102, IGHG2A01, IGHG2A*02	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-2A_KAPPA	IMGT (202510-0)
H, J	Fab E53	L-KAPPA	Mus musculus (house mouse)	IGKV4-5901, IGKJ501, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-2A_KAPPA	IMGT (202510-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
G, I	Heavy Chain	IGHV7	-	envelope protein e	SAbDab (2025-03-21)
H, J	Light Chain	IGKV4	Kappa	envelope protein e	SAbDab (2025-03-21)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00869	Flavivirus glycoprotein, central and dimerisation domains (Flavi_glycoprot)	Flavivirus glycoprotein, central and dimerisation domains		Domain
A, B, C	PF02832	Flavivirus glycoprotein, immunoglobulin-like domain (Flavi_glycop_C)	Flavivirus glycoprotein, immunoglobulin-like domain		Domain
D, E, F	PF01570	Flavivirus polyprotein propeptide (Flavi_propep)	Flavivirus polyprotein propeptide	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Envelope protein E	ATP-dependent activity, acting on DNA catalytic activity, acting on DNA DNA translocase activity catalytic activity, acting on a nucleic acid chromatin extrusion motor activity catalytic activity ATP-dependent activity ATP-dependent H3-H4 histone complex chaperone activity catalytic activity, acting on a protein histone chaperone activity ATP-dependent chromatin remodeler activity H3-H4 histone complex chaperone activity protein carrier chaperone ATP-dependent histone chaperone activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA DNA translocase activity catalytic activity, acting on a nucleic acid chromatin extrusion motor activity catalytic activity ATP-dependent activity ATP-dependent H3-H4 histone complex chaperone activity catalytic activity, acting on a protein histone chaperone activity ATP-dependent chromatin remodeler activity H3-H4 histone complex chaperone activity protein carrier chaperone ATP-dependent histone chaperone activity molecular carrier activity RNA binding double-stranded RNA binding binding nucleic acid binding peptidase activity 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 nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on RNA helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity protein binding protein dimerization activity cation binding metal ion binding RNA methyltransferase activity O-methyltransferase activity transferase activity, transferring one-carbon groups mRNA (nucleoside-2'-O-)-methyltransferase activity transferase activity S-adenosylmethionine-dependent methyltransferase activity methyltransferase activity mRNA methyltransferase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity RNA polymerase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups cohesin loader activity mRNA 5'-cap (guanine-N7-)-methyltransferase activity N-methyltransferase activity DNA clamp loader activity ATP-dependent H2AZ histone chaperone activity 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 innate immune response symbiont-mediated perturbation of host innate immune response symbiont-mediated suppression of cytoplasmic pattern recognition receptor signaling pathway 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	cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell cytoplasm host cell part host intracellular region host cell mitochondrion host cell cytoplasm part host intracellular organelle host cell endoplasmic reticulum host cell membrane host cell endomembrane system cellular anatomical structure membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell cytoplasm host cell part host intracellular region host cell mitochondrion host cell cytoplasm part host intracellular organelle 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 host cell nucleus viral membrane viral envelope
D, E, F	Peptide pr	protein binding binding protein dimerization activity	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host cellular process clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host 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 process symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host innate immune response modulation of process of another organism	cellular anatomical structure membrane virion component virion membrane extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part cellular anatomical structure membrane virion component virion membrane extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane viral membrane viral envelope viral nucleocapsid viral capsid
G, I	E53 Fab Fragment (chain H)	-	-	-
H, J	E53 Fab Fragment (chain L)	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	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	IPR011492	Non-structural protein NS3-like, DEAD box helicase, 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	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
A, B, C	IPR007094	RNA-directed RNA polymerase, catalytic domain	Domain
D, E, F	IPR038055	Flaviviral glycoprotein E, dimerisation domain	Homologous Superfamily
D, E, F	IPR014756	Immunoglobulin E-set	Homologous Superfamily
D, E, F	IPR027287	Glycoprotein E, immunoglobulin-like domain, flavivirus	Domain
D, E, F	IPR038302	Envelope glycoprotein M superfamily, flavivirus	Homologous Superfamily
D, E, F	IPR036253	Flavivirus glycoprotein, central and dimerisation domain superfamily	Homologous Superfamily
D, E, F	IPR000069	Envelope glycoprotein M, flavivirus	Domain
D, E, F	IPR038345	Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily	Homologous Superfamily
D, E, F	IPR038688	Flavivirus polyprotein propeptide superfamily	Homologous Superfamily
D, E, F	IPR026470	Flavivirus envelope glycoprotein E, Stem/Anchor domain	Domain
D, E, F	IPR011998	Envelope glycoprotein E, central and dimerisation domain, flavivirus	Domain
D, E, F	IPR013755	Flaviviral glycoprotein E, central domain, subdomain 1	Homologous Superfamily
D, E, F	IPR013756	Flaviviral glycoprotein E, central domain, subdomain 2	Homologous Superfamily
D, E, F	IPR000336	Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily	Homologous Superfamily
D, E, F	IPR002535	Flavivirus polyprotein propeptide	Domain