Annotations: 2EPG

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2epga_	Alpha and beta proteins (a+b)	Hypothetical protein PH1602	Hypothetical protein PH1602	automated matches	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
B	d2epgb_	Alpha and beta proteins (a+b)	Hypothetical protein PH1602	Hypothetical protein PH1602	automated matches	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	RtcB	e2epgA1	A: a+b two layers	X: Alpha-beta plaits	H: Hypothetical protein PH1602 (From Topology)	T: Hypothetical protein PH1602	F: RtcB	ECOD (1.6)
B	RtcB	e2epgB1	A: a+b two layers	X: Alpha-beta plaits	H: Hypothetical protein PH1602 (From Topology)	T: Hypothetical protein PH1602	F: RtcB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1860.10	Alpha Beta	Alpha-Beta Complex	tRNA-splicing ligase RtcB	tRNA-splicing ligase RtcB	CATH (4.3.0)
B	3.90.1860.10	Alpha Beta	Alpha-Beta Complex	tRNA-splicing ligase RtcB	tRNA-splicing ligase RtcB	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01139	tRNA-splicing ligase RtcB (RtcB)	tRNA-splicing ligase RtcB	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Hypothetical protein TTHA1785	ligase activity, forming phosphoric ester bonds catalytic activity, acting on RNA RNA ligase activity catalytic activity, acting on a nucleic acid catalytic activity ligase activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ligase activity, forming phosphoric ester bonds catalytic activity, acting on RNA RNA ligase activity catalytic activity, acting on a nucleic acid catalytic activity ligase activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation 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 ncRNA metabolic process organic substance biosynthetic 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 ncRNA metabolic process organic substance biosynthetic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA processing	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036025	tRNA-splicing ligase RtcB-like superfamily	Homologous Superfamily
A, B	IPR001233	RNA-splicing ligase, RtcB	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.