3CSY | pdb_00003csy

Crystal structure of the trimeric prefusion Ebola virus glycoprotein in complex with a neutralizing antibody from a human survivor

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
I	d3csyi1	Membrane and cell surface proteins and peptides	Filovirus surface glycoprotein-like	Filovirus surface glycoprotein-like	Filovirus surface glycoproteins	Ebolavirus surface glycoprotein	(Ebola virus - Mayinga, Zaire, 1976 ) [TaxId: 128952 ],	SCOPe (2.08)
I	d3csyi2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Ebola virus - Mayinga, Zaire, 1976 ) [TaxId: 128952 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091527	3000071	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091527	3000071	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091527	3000071	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091527	3000071	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091519	3000071	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091519	3000071	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091519	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8091519	3000071	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)
P	PARP	e3csyP1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
N	PARP	e3csyN1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
L	PARP	e3csyL1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
J	PARP	e3csyJ1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
O	PARP	e3csyO1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
M	PARP	e3csyM1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
K	PARP	e3csyK1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
I	PARP	e3csyI1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: PARP	ECOD (v294.1)
H	RasGEF	e3csyH1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)
F	RasGEF	e3csyF1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)
D	RasGEF	e3csyD1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)
B	RVP	e3csyB1	A: a/b three-layered sandwiches	X: Profilin-like	H: sensor domains	T: sensor domains	F: RVP	ECOD (v294.1)
G	RasGEF	e3csyG1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)
E	RasGEF	e3csyE1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)
C	RasGEF	e3csyC1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)
A	RasGEF	e3csyA1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: RasGEF	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

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
B, D, F, H	Fab KZ52	L-KAPPA	Homo sapiens (human)	IGKV4-101, IGKJ401, IGKJ402, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202611-0)
A, C, E, G	Fab KZ52	VH-CH1	Homo sapiens (human)	IGHV3-2101, IGHV3-2102, IGHV3-2104, IGHV3-2103, IGHJ302, IGHG101, IGHG102, IGHG104	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D, F, H	Light Chain	IGKV4	Kappa	envelope glycoprotein gp2 \| envelope glycoprotein gp1	SAbDab (2026-03-27)
A, C, E, G	Heavy Chain	IGHV3	-	envelope glycoprotein gp2 \| envelope glycoprotein gp1	SAbDab (2026-03-27)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
J, L, N, P	PF22307	Envelope glycoprotein GP2-like, HR1-HR2 (Ebola-like_HR1-HR2)	Envelope glycoprotein GP2-like, HR1-HR2	This entry spans heptad repeats 1 and 2 of the glycoprotein (GP) from Ebola and Marburg viruses [1-5]. Viral infection involves the formation of a trimer-of-hairpins structure (three HR1s helices, buttressed by three HR2 helices lying in antiparallel ...	This entry spans heptad repeats 1 and 2 of the glycoprotein (GP) from Ebola and Marburg viruses [1-5]. Viral infection involves the formation of a trimer-of-hairpins structure (three HR1s helices, buttressed by three HR2 helices lying in antiparallel orientation). This domain may have been acquired via horizontal transfer from retroviruses.	Domain
I, K, M, O	PF01611	Filovirus glycoprotein (Filo_glycop)	Filovirus glycoprotein	-	Family
B, D, F, H	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A, C, E, G	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
J, L, N, P	Envelope glycoprotein GP2	binding lipid binding identical protein binding protein binding	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral budding from plasma membrane viral release from host cell symbiont-mediated perturbation of host defense response viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral budding from plasma membrane viral release from host cell symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host process symbiont-mediated-mediated suppression of host tetherin activity modulation of process of another organism symbiont entry into host cell symbiont entry into host import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization clathrin-dependent endocytosis cellular process clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell disruption of cell in another organism disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host innate immune response virion attachment to host cell receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell adhesion of symbiont to host	virion component virion membrane cellular anatomical structure extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host intracellular region virion component virion membrane cellular anatomical structure extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host intracellular region viral membrane viral envelope membrane microdomain membrane raft membrane host cell plasma membrane host cell membrane
I, K, M, O	Envelope glycoprotein GP1	binding lipid binding identical protein binding protein binding	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral budding from plasma membrane viral release from host cell symbiont-mediated perturbation of host defense response viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral budding from plasma membrane viral release from host cell symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host process symbiont-mediated-mediated suppression of host tetherin activity modulation of process of another organism symbiont entry into host cell symbiont entry into host import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization clathrin-dependent endocytosis cellular process clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell disruption of cell in another organism disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host innate immune response virion attachment to host cell receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell adhesion of symbiont to host	virion component virion membrane cellular anatomical structure extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host intracellular region virion component virion membrane cellular anatomical structure extracellular region host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host intracellular region viral membrane viral envelope membrane microdomain membrane raft membrane host cell plasma membrane host cell membrane
B, D, F, H	Fab KZ52 light chain	binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway B cell receptor signaling pathway biological regulation regulation of response to stimulus regulation of immune response cellular process antigen receptor-mediated signaling pathway activation of immune response	protein-containing complex IgA immunoglobulin complex immunoglobulin complex cellular anatomical structure extracellular region extracellular space blood microparticle IgM immunoglobulin complex IgE immunoglobulin complex IgD immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle protein-containing complex IgA immunoglobulin complex immunoglobulin complex cellular anatomical structure extracellular region extracellular space blood microparticle IgM immunoglobulin complex IgE immunoglobulin complex IgD immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane membrane IgG immunoglobulin complex
A, C, E, G	Fab KZ52 heavy chain	protein-containing complex binding protein binding binding signaling receptor binding immunoglobulin receptor binding Fc-gamma receptor I complex binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus myeloid leukocyte mediated immunity inflammatory response to antigenic stimulus response to stress leukocyte mediated immunity antibody-dependent cellular cytotoxicity acute inflammatory response hypersensitivity defense response immune response leukocyte mediated cytotoxicity acute inflammatory response to antigenic stimulus adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus myeloid leukocyte mediated immunity inflammatory response to antigenic stimulus response to stress leukocyte mediated immunity antibody-dependent cellular cytotoxicity acute inflammatory response hypersensitivity defense response immune response leukocyte mediated cytotoxicity acute inflammatory response to antigenic stimulus immunoglobulin mediated immune response adaptive immune response immune effector process type II hypersensitivity immune system process type IIa hypersensitivity B cell mediated immunity cellular process inflammatory response cell killing cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway B cell receptor signaling pathway biological regulation regulation of response to stimulus regulation of immune response antigen receptor-mediated signaling pathway activation of immune response humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin complement activation, classical pathway complement-dependent cytotoxicity biological process involved in interspecies interaction between organisms response to other organism antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus	cellular anatomical structure extracellular region extracellular space blood microparticle protein-containing complex immunoglobulin complex, circulating immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle cellular anatomical structure extracellular region extracellular space blood microparticle protein-containing complex immunoglobulin complex, circulating immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane membrane IgG immunoglobulin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
J, L, N, P	IPR014625	Filoviruses glycoprotein	Family
J, L, N, P	IPR002561	Filoviruses glycoprotein, extracellular domain	Domain
J, L, N, P	IPR054584	Envelope glycoprotein GP2-like, HR1-HR2	Domain
I, K, M, O	IPR014625	Filoviruses glycoprotein	Family
I, K, M, O	IPR002561	Filoviruses glycoprotein, extracellular domain	Domain
I, K, M, O	IPR054584	Envelope glycoprotein GP2-like, HR1-HR2	Domain
B, D, F, H	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, D, F, H	IPR050380	Immune Recognition and Response Modulators	Family
B, D, F, H	IPR003597	Immunoglobulin C1-set	Domain
B, D, F, H	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, D, F, H	IPR007110	Immunoglobulin-like domain	Domain
B, D, F, H	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, C, E, G	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, C, E, G	IPR050380	Immune Recognition and Response Modulators	Family
A, C, E, G	IPR003597	Immunoglobulin C1-set	Domain
A, C, E, G	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, C, E, G	IPR007110	Immunoglobulin-like domain	Domain
A, C, E, G	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D, F, H	Pharos: P01834	recurrent infections associated with rare immunoglobulin isotypes deficiency myositis dysgammaglobulinemia Hepatomegaly acquired idiopathic inflammatory myopathy selective IgG immunodeficiency
A, C, E, G	Pharos: P01857	B-cell chronic lymphocytic leukemia myositis polycystic ovary syndrome plasma cell myeloma plasma cell neoplasm Sclerocystic Ovaries acquired idiopathic inflammatory myopathy lung adenocarcinoma ovarian cancer peripheral neuropathy Sjogren syndrome amyloidosis breast cancer medulloblastoma nasopharyngeal carcinoma B-cell chronic lymphocytic leukemia myositis polycystic ovary syndrome plasma cell myeloma plasma cell neoplasm Sclerocystic Ovaries acquired idiopathic inflammatory myopathy lung adenocarcinoma ovarian cancer peripheral neuropathy Sjogren syndrome amyloidosis breast cancer medulloblastoma nasopharyngeal carcinoma periodontitis interstitial cystitis myeloid neoplasm osteosarcoma peripheral nervous system disease

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.