Annotations: 4MMV

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	T4 fibritin foldon	8091029	3002478	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	Fusion_gly_3	e4mmvA1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly_3	ECOD (1.6)
B	Fusion_gly_4	e4mmvB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-like domain in paramyxoviruses fusion protein (From Topology)	T: Immunoglobulin-like domain in paramyxoviruses fusion protein	F: Fusion_gly_4	ECOD (1.6)
B	Fusion_gly	e4mmvB1	A: a+b complex topology	X: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	H: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein (From Topology)	T: Head and neck region of the ectodomain of paramyxoviruses fusion glycoprotein	F: Fusion_gly	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00523	Fusion glycoprotein F0 (Fusion_gly)	Fusion glycoprotein F0	-	Family
B	PF00523	Fusion glycoprotein F0 (Fusion_gly)	Fusion glycoprotein F0	-	Family
B	PF07921	Fibritin C-terminal region (Fibritin_C)	Fibritin C-terminal region	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Fusion glycoprotein F2	identical protein binding protein binding binding	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction 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 symbiont-mediated perturbation of host cellular process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization regulation of syncytium formation by plasma membrane fusion regulation of developmental process positive regulation of biological process cell-cell fusion modulation by virus of host process modulation by virus of syncytium formation via plasma membrane fusion positive regulation of developmental process anatomical structure development positive regulation of syncytium formation by virus syncytium formation induction by virus of host cell-cell fusion modulation of process of another organism positive regulation of cellular process modulation by virus of host cellular process developmental process regulation of biological process biological regulation positive regulation of syncytium formation by plasma membrane fusion syncytium formation by plasma membrane fusion anatomical structure morphogenesis modulation by symbiont of host process anatomical structure formation involved in morphogenesis	virion component viral membrane viral envelope membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane virion membrane host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part virion component viral membrane viral envelope membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane virion membrane host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region
B	Fusion glycoprotein F1 fused with Fibritin trimerization domain	identical protein binding protein binding binding	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction 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 symbiont-mediated perturbation of host cellular process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization regulation of syncytium formation by plasma membrane fusion regulation of developmental process positive regulation of biological process cell-cell fusion modulation by virus of host process modulation by virus of syncytium formation via plasma membrane fusion positive regulation of developmental process anatomical structure development positive regulation of syncytium formation by virus syncytium formation induction by virus of host cell-cell fusion modulation of process of another organism positive regulation of cellular process modulation by virus of host cellular process developmental process regulation of biological process biological regulation positive regulation of syncytium formation by plasma membrane fusion syncytium formation by plasma membrane fusion anatomical structure morphogenesis modulation by symbiont of host process anatomical structure formation involved in morphogenesis	virion component viral membrane viral envelope membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane virion membrane host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part virion component viral membrane viral envelope membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane virion membrane host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family
B	IPR012473	Fibritin C-terminal	Domain
B	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.