Annotations: 3AQK

Structure of bacterial protein (apo form I)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	YonK	e3aqkA2	A: alpha arrays	X: DP domain	H: DP domain	T: DP domain	F: YonK	ECOD (v295.2)
A	Aminotran_3	e3aqkA3	A: alpha arrays	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Aminotran_3	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.460.10	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (4.3.0)
A	1.10.3090.10	Mainly Alpha	Orthogonal Bundle	cca-adding enzyme, domain 2	cca-adding enzyme, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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
A	PF12626	Polymerase A arginine-rich C-terminus (PolyA_pol_arg_C)	Polymerase A arginine-rich C-terminus	The C-terminus of polymerase A in E coli is arginine-rich and is necessary for full functioning of the enzyme.	Domain
A	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	Poly(A) polymerase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding poly(A) RNA polymerase activity adenylyltransferase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups RNA binding nucleic acid binding	catabolic process RNA metabolic process primary metabolic process macromolecule catabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process modification-dependent macromolecule catabolic process polyadenylation-dependent RNA catabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process catabolic process RNA metabolic process primary metabolic process macromolecule catabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process modification-dependent macromolecule catabolic process polyadenylation-dependent RNA catabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process regulation of cellular process negative regulation of biological process regulation of primary metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological quality mRNA catabolic process regulation of biological process negative regulation of metabolic process positive regulation of mRNA metabolic process positive regulation of RNA metabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of metabolic process polyadenylation-dependent mRNA catabolic process positive regulation of biological process mRNA destabilization regulation of mRNA catabolic process negative regulation of cellular process positive regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process RNA destabilization biological regulation regulation of macromolecule metabolic process regulation of catabolic process gene expression macromolecule biosynthetic process mRNA metabolic process positive regulation of catabolic process regulation of mRNA stability negative regulation of biosynthetic process positive regulation of mRNA catabolic process regulation of RNA stability regulation of mRNA metabolic process RNA modification macromolecule modification plasmid maintenance nucleobase-containing compound biosynthetic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process mRNA processing RNA processing tRNA metabolic process tRNA processing RNA 3'-end processing tRNA 3'-end processing	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR052191	tRNA nucleotidyltransferase/poly(A) polymerase I	Family
A	IPR043519	Nucleotidyltransferase superfamily	Homologous Superfamily
A	IPR002646	Poly A polymerase, head domain	Domain
A	IPR010206	Poly(A) polymerase I	Family
A	IPR032828	tRNA nucleotidyltransferase/poly(A) polymerase, RNA and SrmB- binding domain	Domain
A	IPR025866	Polymerase A arginine-rich C-terminal domain	Domain

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