Annotations: 3WFS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	PF01966,PF12627	e3wfsC1	A: alpha complex topology	X: PDEase-like	H: Poly A polymerase C-terminal region-like (From Topology)	T: Poly A polymerase C-terminal region-like	F: PF01966,PF12627	ECOD (1.6)
C	PF01743	e3wfsC2	A: a+b three layers	X: Nucleotidyltransferase-like	H: Nucleotidyltransferase (From Topology)	T: Nucleotidyltransferase	F: PF01743	ECOD (1.6)
D	PF01966,PF12627	e3wfsD1	A: alpha complex topology	X: PDEase-like	H: Poly A polymerase C-terminal region-like (From Topology)	T: Poly A polymerase C-terminal region-like	F: PF01966,PF12627	ECOD (1.6)
D	PF01743	e3wfsD2	A: a+b three layers	X: Nucleotidyltransferase-like	H: Nucleotidyltransferase (From Topology)	T: Nucleotidyltransferase	F: PF01743	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.30.460.10	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
D	3.30.460.10	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, D	PF01966	HD domain (HD)	HD domain	-	Family
C, D	PF12627	Probable RNA and SrmB- binding site of polymerase A (PolyA_pol_RNAbd)	Probable RNA and SrmB- binding site of polymerase A	This region encompasses much of the RNA and SrmB binding motifs on polymerase A.	Domain
C, D	PF01743	Poly A polymerase head domain (PolyA_pol)	Poly A polymerase head domain	This family includes nucleic acid independent RNA polymerases, such as Poly(A) polymerase, which adds the poly (A) tail to mRNA EC:2.7.7.19. This family also includes the tRNA nucleotidyltransferase that adds the CCA to the 3' of the tRNA EC:2.7.7.25 ...	This family includes nucleic acid independent RNA polymerases, such as Poly(A) polymerase, which adds the poly (A) tail to mRNA EC:2.7.7.19. This family also includes the tRNA nucleotidyltransferase that adds the CCA to the 3' of the tRNA EC:2.7.7.25. This family is part of the nucleotidyltransferase superfamily.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	RNA (74-MER)	-	-	-
C, D	Poly A polymerase	binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding RNA binding tRNA binding nucleic acid binding cytidylyltransferase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA transferase activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding RNA binding tRNA binding nucleic acid binding cytidylyltransferase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA transferase activity CTP:tRNA cytidylyltransferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups cation binding ion binding metal ion binding	cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process tRNA processing organic substance biosynthetic process nucleic acid catabolic process cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process tRNA processing organic substance biosynthetic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA processing RNA 3'-end processing	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR003607	HD/PDEase domain	Domain
C, D	IPR006675	HDIG domain	Domain
C, D	IPR043519	Nucleotidyltransferase superfamily	Homologous Superfamily
C, D	IPR002646	Poly A polymerase, head domain	Domain
C, D	IPR032828	tRNA nucleotidyltransferase/poly(A) polymerase, RNA and SrmB- binding domain	Domain
C, D	IPR006674	HD domain	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 R01GM133198.