Annotations: 4XR3

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Replication terminator protein (Tus)	8034349	3001617	SCOP2B (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	Ter_1st	e4xr3A1	A: a+b complex topology	X: Sandwich domain in replication terminator protein (Tus) (From Topology)	H: Sandwich domain in replication terminator protein (Tus) (From Topology)	T: Sandwich domain in replication terminator protein (Tus)	F: Ter_1st	ECOD (1.6)
A	Ter_2nd	e4xr3A2	A: a+b complex topology	X: Insertion domain in replication terminator protein (Tus) (From Topology)	H: Insertion domain in replication terminator protein (Tus) (From Topology)	T: Insertion domain in replication terminator protein (Tus)	F: Ter_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.50.14.10	Alpha Beta	3-Layer(bba) Sandwich	Replication Terminator Protein (Tus)	Chain A, domain 1	CATH (4.3.0)
A	3.30.54.10	Alpha Beta	2-Layer Sandwich	Replication Terminator Protein	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF05472	DNA replication terminus site-binding protein (Ter protein) (Ter)	DNA replication terminus site-binding protein (Ter protein)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA replication terminus site-binding protein	sequence-specific DNA binding DNA binding binding organic cyclic compound binding nucleic acid binding	DNA-templated DNA replication cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process DNA replication termination nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process heterocycle metabolic process nitrogen compound metabolic process metabolic process DNA-templated DNA replication cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process DNA replication termination nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process heterocycle metabolic process nitrogen compound metabolic process metabolic process cellular process macromolecule metabolic process cellular aromatic compound metabolic process regulation of cellular process DNA-templated DNA replication maintenance of fidelity negative regulation of biological process negative regulation of nitrogen compound metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process regulation of nitrogen compound metabolic process negative regulation of DNA-templated DNA replication negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process regulation of biological process negative regulation of DNA replication replication fork arrest involved in DNA replication termination negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of DNA-templated DNA replication replication fork arrest negative regulation of DNA metabolic process regulation of metabolic process regulation of DNA metabolic process regulation of DNA replication	intracellular anatomical structure cytoplasm cellular anatomical entity
B	DNA (5'-D(TPAPGPTPTPAPCPAPAPCPAPTPAPGP*T)-3')	-	-	-
C	DNA (5'-D(TPAPCPTPAPTPGPTPTPGPTPAPAPCPTPA)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008865	DNA replication terminus site-binding protein	Family
A	IPR036381	Replication terminator Tus, domain 1	Homologous Superfamily
A	IPR036384	Replication terminator Tus superfamily	Homologous Superfamily

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.