Annotations: 4V23

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	EV matrix protein-like	8092060	3000219	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	EV matrix protein-like	8092058	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)
A	CBM_X2	e4v23A1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: CBM_X2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.70.20.30	Mainly Beta	Distorted Sandwich	Topoisomerase I	domain 3	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	MATRIX PROTEIN	structural constituent of virion structural molecule activity	virion assembly viral process viral life cycle	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle virion component viral membrane viral envelope host cell plasma membrane host cell membrane host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle virion component viral membrane viral envelope host cell plasma membrane host cell membrane host cell cytoplasm viral tegument

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043062	Pneumovirus matrix, N-terminal	Homologous Superfamily
A	IPR055461	Matrix protein, C-terminal domain, pneumovirus	Domain
A	IPR005056	Matrix protein, N-terminal, pneumovirus	Domain

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.