Annotations: 4XR3

Escherichia Coli Replication Terminator Protein (Tus) Complexed With DNA- GC(6) swapped.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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	Ribosomal_S5_C	e4xr3A1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: Ribosomal_S5_C	ECOD (v294.1)

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
C	DNA (5'-D(TPAPCPTPAPTPGPTPTPGPTPAPAPCPTPA)-3')	-	-	-
B	DNA (5'-D(TPAPGPTPTPAPCPAPAPCPAPTPAPGP*T)-3')	-	-	-
A	DNA replication terminus site-binding protein	sequence-specific DNA binding DNA binding binding nucleic acid binding	nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process DNA replication termination nucleic acid metabolic process regulation of cellular process DNA-templated DNA replication maintenance of fidelity negative regulation of biological process regulation of primary metabolic process nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process DNA replication termination nucleic acid metabolic process regulation of cellular process DNA-templated DNA replication maintenance of fidelity negative regulation of biological process regulation of primary 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 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	cellular anatomical structure intracellular anatomical structure cytoplasm

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

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.