Annotations: 4LDD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth A]	SCOP2B Superfamily	EV matrix protein-like	8044506	3000219	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	EV matrix protein-like	8044506	3000219	SCOP2B (2022-06-29)
A [auth B]	SCOP2B Superfamily	EV matrix protein-like	8044506	3000219	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)
C [auth A]	Pribosyltran	e4lddA1	A: alpha bundles	X: PRTase-like	H: PRTase-like	T: PRTase-like	F: Pribosyltran	ECOD (develop294)
B [auth C]		e4lddC1	A: alpha bundles	X: PRTase-like	H: PRTase-like	T: PRTase-like	F:	ECOD (develop294)
A [auth B]	DNA_methylase	e4lddB1	A: alpha bundles	X: YrdC/RibB	H: SH3	T: SH3	F: DNA_methylase	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth A]	2.70.20.20	Mainly Beta	Distorted Sandwich	Topoisomerase I	domain 3	CATH (4.3.0)
B [auth C]	2.70.20.20	Mainly Beta	Distorted Sandwich	Topoisomerase I	domain 3	CATH (4.3.0)
A [auth B]	2.70.20.20	Mainly Beta	Distorted Sandwich	Topoisomerase I	domain 3	CATH (4.3.0)
A [auth B]	2.60.510.10	Mainly Beta	Sandwich	EV matrix protein fold	EV matrix protein	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth C], C [auth A]	Matrix protein VP40	structural constituent of virion structural molecule activity RNA binding binding nucleic acid binding identical protein binding protein binding	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 process viral budding from plasma membrane viral release from host cell symbiont-mediated perturbation of host cellular process symbiont-mediated perturbation of host process symbiont-mediated perturbation of host cell cycle progression 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 process viral budding from plasma membrane viral release from host cell symbiont-mediated perturbation of host cellular process symbiont-mediated perturbation of host process symbiont-mediated perturbation of host cell cycle progression modulation of process of another organism symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host immune response symbiont-mediated suppression of host RNAi-mediated antiviral 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 viral budding via host ESCRT complex intracellular transport of virus transport of virus	host cellular component cellular anatomical structure host cell other organism part host cell endomembrane system host cell part host cell membrane virion component virion membrane extracellular region host intracellular membrane-bounded organelle host intracellular part host cell cytoplasm part host cell late endosome membrane host cellular component cellular anatomical structure host cell other organism part host cell endomembrane system host cell part host cell membrane virion component virion membrane extracellular region host intracellular membrane-bounded organelle host intracellular part host cell cytoplasm part host cell late endosome membrane host intracellular organelle host cell cytoplasm host cell endosome membrane host cell late endosome host cell endosome host intracellular region membrane microdomain membrane raft membrane host cell plasma membrane protein-containing complex ribonucleoprotein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth C], C [auth A]	IPR043079	EV matrix protein, N-terminal	Homologous Superfamily
A [auth B], B [auth C], C [auth A]	IPR008986	EV matrix protein	Family
A [auth B], B [auth C], C [auth A]	IPR038057	EV matrix domain superfamily	Homologous Superfamily
A [auth B], B [auth C], C [auth A]	IPR035092	EV matrix protein, C-terminal	Homologous Superfamily

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.