Annotations: 1R4G

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1r4ga_	All alpha proteins	immunoglobulin/albumin-binding domain-like	Phosphoprotein XD domain	Phosphoprotein XD domain	RNA polymerase alpha subunit	(Sendai virus (strain Harris) ) [TaxId: 11196 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Phosphoprotein XD domain	8027978	4000621	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Phosphoprotein XD domain	8040357	3000782	SCOP2 (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	Paramyxo_P	e1r4gA1	A: alpha bundles	X: immunoglobulin/albumin-binding domain-like	H: Phosphoprotein XD domain (From Topology)	T: Phosphoprotein XD domain	F: Paramyxo_P	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.8.10	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	RNA polymerase alpha subunit	RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups RNA binding binding nucleic acid binding disordered domain specific binding protein binding RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups RNA binding binding nucleic acid binding disordered domain specific binding protein binding protein domain specific binding	RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process viral life cycle negative stranded viral RNA replication viral genome replication viral RNA genome replication viral process	host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043097	Phosphoprotein P, oligomerisation domain 1	Homologous Superfamily
A	IPR002693	Paramyxovirinae P phosphoprotein C-terminal domain	Domain
A	IPR016075	RNA polymerase, phosphoprotein P, C-terminal XD, paramyxovirinae	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.