Annotations: 5MUS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	UNK_F_TYPE	e5musA3	A: alpha arrays	X: PB2 '627' domain-related (From Homology)	H: PB2 '627' domain-related	T: Reptarenavirus L protein C-terminal domain	F: UNK_F_TYPE	ECOD (1.6)
A	UNK_F_TYPE	e5musA1	A: alpha arrays	X: Helical domain in PB2 (From Topology)	H: Helical domain in PB2 (From Topology)	T: Helical domain in PB2	F: UNK_F_TYPE	ECOD (1.6)
A	UNK_F_TYPE	e5musA2	A: a+b three layers	X: Polymerase basic protein 2 cap-binding domain (From Topology)	H: Polymerase basic protein 2 cap-binding domain (From Topology)	T: Polymerase basic protein 2 cap-binding domain	F: UNK_F_TYPE	ECOD (1.6)
B	UNK_F_TYPE	e5musB3	A: alpha arrays	X: PB2 '627' domain-related (From Homology)	H: PB2 '627' domain-related	T: Reptarenavirus L protein C-terminal domain	F: UNK_F_TYPE	ECOD (1.6)
B	UNK_F_TYPE	e5musB1	A: alpha arrays	X: Helical domain in PB2 (From Topology)	H: Helical domain in PB2 (From Topology)	T: Helical domain in PB2	F: UNK_F_TYPE	ECOD (1.6)
B	UNK_F_TYPE	e5musB2	A: a+b three layers	X: Polymerase basic protein 2 cap-binding domain (From Topology)	H: Polymerase basic protein 2 cap-binding domain (From Topology)	T: Polymerase basic protein 2 cap-binding domain	F: UNK_F_TYPE	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	L protein	5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity RNA-dependent RNA polymerase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups hydrolase activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity RNA-dependent RNA polymerase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups hydrolase activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process cellular process macromolecule metabolic process viral gene expression cap snatching negative stranded viral RNA transcription viral transcription RNA-templated viral transcription	virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007099	RNA-directed RNA polymerase, negative-strand RNA virus	Domain
A, B	IPR026382	RNA endonuclease, cap-snatching, arenaviral	Domain
A, B	IPR010453	RNA polymerase, arenaviral	Family

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.