Annotations: 4CEJ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	UvrD-helicase	e4cejA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: UvrD-helicase	ECOD (1.6)
A	UvrD_C	e4cejA8	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: UvrD_C	ECOD (1.6)
A	PDDEXK_1	e4cejA9	A: a/b three-layered sandwiches	X: Restriction endonuclease-like	H: Restriction endonuclease-like (From Topology)	T: Restriction endonuclease-like	F: PDDEXK_1	ECOD (1.6)
B	UvrD_C	e4cejB4	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: UvrD_C	ECOD (1.6)
B	UvrD-helicase_1	e4cejB6	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: UvrD-helicase_1	ECOD (1.6)
B	PDDEXK_1	e4cejB5	A: a/b three-layered sandwiches	X: Restriction endonuclease-like	H: Restriction endonuclease-like (From Topology)	T: Restriction endonuclease-like	F: PDDEXK_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
A	1.10.274.50	Mainly Alpha	Orthogonal Bundle	Enzyme I	Chain A, domain 2	CATH (4.3.0)
A	6.10.250.2380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	1.10.486.10	Mainly Alpha	Orthogonal Bundle	PCRA	domain 4	CATH (4.3.0)
A	3.90.320.10	Alpha Beta	Alpha-Beta Complex	Lambda Exonuclease	Chain A	CATH (4.3.0)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
B	6.10.140.1030	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13361	UvrD-like helicase C-terminal domain (UvrD_C)	UvrD-like helicase C-terminal domain	This domain is found at the C-terminus of a wide variety of helicase enzymes. This domain has a AAA-like structural fold.	Domain
A	PF00580	UvrD/REP helicase N-terminal domain (UvrD-helicase)	UvrD/REP helicase N-terminal domain	The Rep family helicases are composed of four structural domains. The Rep family function as dimers. REP helicases catalyse ATP dependent unwinding of double stranded DNA to single stranded DNA. Swiss:P23478, Swiss:P08394 have large insertions near t ...	The Rep family helicases are composed of four structural domains. The Rep family function as dimers. REP helicases catalyse ATP dependent unwinding of double stranded DNA to single stranded DNA. Swiss:P23478, Swiss:P08394 have large insertions near to the carboxy-terminus relative to other members of the family.	Domain
B	PF13361	UvrD-like helicase C-terminal domain (UvrD_C)	UvrD-like helicase C-terminal domain	This domain is found at the C-terminus of a wide variety of helicase enzymes. This domain has a AAA-like structural fold.	Domain
B	PF12705	PD-(D/E)XK nuclease superfamily (PDDEXK_1)	PD-(D/E)XK nuclease superfamily	Members of this family belong to the PD-(D/E)XK nuclease superfamily	Domain
B	PF21445	ADDB, N-terminal (ADDB_N)	ADDB, N-terminal	ATP-dependent helicase/deoxyribonuclease subunit B (ADDB) forms a heterodimer with ADDA which acts as both an ATP-dependent DNA helicase and an ATP-dependent single-stranded exonuclease, acting in both directions. This entry represents the N-terminal ...	ATP-dependent helicase/deoxyribonuclease subunit B (ADDB) forms a heterodimer with ADDA which acts as both an ATP-dependent DNA helicase and an ATP-dependent single-stranded exonuclease, acting in both directions. This entry represents the N-terminal domain of ADDB, which contains the Walker A motif involved in ATP binding [1,2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ATP-DEPENDENT HELICASE/NUCLEASE SUBUNIT A	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nuclease activity hydrolase activity, acting on ester bonds 3'-5' exonuclease activity hydrolase activity exonuclease activity catalytic activity DNA binding double-stranded DNA binding nucleic acid binding isomerase activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides ATP-dependent activity ATP-dependent activity, acting on DNA DNA helicase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid helicase activity 3'-5' DNA helicase activity	cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress recombinational repair cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress recombinational repair metabolic process cellular process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex DNA helicase complex
B	ATP-DEPENDENT HELICASE/DEOXYRIBONUCLEASE SUBUNIT B	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding double-stranded DNA binding nucleic acid binding isomerase activity catalytic activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides ATP-dependent activity nuclease activity hydrolase activity, acting on ester bonds 5'-3' exonuclease activity exonuclease activity ATP-dependent activity, acting on DNA DNA helicase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid helicase activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding cation binding metal ion binding	cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress recombinational repair cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress recombinational repair metabolic process cellular process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair	-
C [auth X]	DNA	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR014017	UvrD-like DNA helicase, C-terminal	Domain
A	IPR011335	Restriction endonuclease type II-like	Homologous Superfamily
A	IPR038726	PD-(D/E)XK endonuclease-like domain, AddAB-type	Domain
A	IPR014152	ATP-dependent helicase/nuclease subunit A	Family
A	IPR011604	PD-(D/E)XK endonuclease-like domain superfamily	Homologous Superfamily
A	IPR014016	UvrD-like helicase, ATP-binding domain	Domain
A	IPR000212	DNA helicase, UvrD/REP type	Family
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B	IPR014017	UvrD-like DNA helicase, C-terminal	Domain
B	IPR014140	DNA helicase subunit AddB	Family
B	IPR038726	PD-(D/E)XK endonuclease-like domain, AddAB-type	Domain
B	IPR011604	PD-(D/E)XK endonuclease-like domain superfamily	Homologous Superfamily
B	IPR049035	ATP-dependent helicase/deoxyribonuclease subunit B, N-terminal	Domain
B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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.