Annotations: 5UQY

Crystal structure of Marburg virus GP in complex with the human survivor antibody MR78

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	SUI1	e5uqyB1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: SUI1	ECOD (v294.2)
F	Aldedh	e5uqyF1	A: beta barrels	X: HAD domain-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Aldedh	ECOD (v294.2)
J	SUI1	e5uqyJ1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: SUI1	ECOD (v294.2)
N	SUI1	e5uqyN1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: SUI1	ECOD (v294.2)
D	Myb_DNA-binding	e5uqyD1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
H	Myb_DNA-binding	e5uqyH1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
L	Myb_DNA-binding	e5uqyL1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
P	Myb_DNA-binding	e5uqyP1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
C	Myb_DNA-binding	e5uqyC1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
G	Myb_DNA-binding	e5uqyG1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
K	Myb_DNA-binding	e5uqyK1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
O	Myb_DNA-binding	e5uqyO1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
E	Myb_DNA-binding	e5uqyE1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
I	Myb_DNA-binding	e5uqyI1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
M	Myb_DNA-binding	e5uqyM1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)
A	Myb_DNA-binding	e5uqyA1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Osmotin-like	T: Osmotin-like	F: Myb_DNA-binding	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
L	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
P	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)
G	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
K	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
O	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
D, H, L, P	Fab MR78	VH-CH1	Homo sapiens (human)	IGHV4-3901, IGHV4-3907, IGHJ604, IGHG101, IGHG102, IGHG104, IGHG105, IGHG112, IGHG114, IGHG113, IGHG109, IGHG110, IGHG107, IGHG111	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)
C, G, K, O	Fab MR78	L-KAPPA	Homo sapiens (human)	IGKV1-3301, IGKV1D-3301, IGKJ301, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D, H, L, P	Heavy Chain	IGHV4	-	envelope glycoprotein gp1, envelope glycoprotein gp1 \| envelope glycoprotein gp2	SAbDab (2026-05-08)
C, G, K, O	Light Chain	IGKV1	Kappa	envelope glycoprotein gp1, envelope glycoprotein gp1 \| envelope glycoprotein gp2	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, F, J, N	ENVELOPE GLYCOPROTEIN GP2	-	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane
D, H, L, P	MR78 Fab heavy chain	-	-	-
C, G, K, O	MR78 Fab light chain	-	-	-
A, E, I, M	ENVELOPE GLYCOPROTEIN GP1	-	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, F, J, N	IPR018154	TLV/ENV coat polyprotein	Family
B, F, J, N	IPR014625	Filoviruses glycoprotein	Family
B, F, J, N	IPR002561	Filoviruses glycoprotein, extracellular domain	Domain
B, F, J, N	IPR054584	Envelope glycoprotein GP2-like, HR1-HR2	Domain
A, E, I, M	IPR018154	TLV/ENV coat polyprotein	Family
A, E, I, M	IPR014625	Filoviruses glycoprotein	Family
A, E, I, M	IPR002561	Filoviruses glycoprotein, extracellular domain	Domain
A, E, I, M	IPR054584	Envelope glycoprotein GP2-like, HR1-HR2	Domain

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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.