Annotations: 1U5K

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1u5kb1	All beta proteins	OB-fold	Nucleic acid-binding proteins	RecO N-terminal domain-like	Recombinational repair protein RecO, N-terminal domain	(Deinococcus radiodurans R1 = ATCC 13939 = DSM 20539 ) [TaxId: 243230 ],	SCOPe (2.08)
B	d1u5kb2	Small proteins	ArfGap/RecO-like zinc finger	ArfGap/RecO-like zinc finger	RecO C-terminal domain-like	Recombinational repair protein RecO, C-terminal domain	(Deinococcus radiodurans R1 = ATCC 13939 = DSM 20539 ) [TaxId: 243230 ],	SCOPe (2.08)
A	d1u5ka1	All beta proteins	OB-fold	Nucleic acid-binding proteins	RecO N-terminal domain-like	Recombinational repair protein RecO, N-terminal domain	(Deinococcus radiodurans R1 = ATCC 13939 = DSM 20539 ) [TaxId: 243230 ],	SCOPe (2.08)
A	d1u5ka2	Small proteins	ArfGap/RecO-like zinc finger	ArfGap/RecO-like zinc finger	RecO C-terminal domain-like	Recombinational repair protein RecO, C-terminal domain	(Deinococcus radiodurans R1 = ATCC 13939 = DSM 20539 ) [TaxId: 243230 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	ArfGap/RecO-like zinc finger	8042768	3000151	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nucleic acid-binding proteins	8042766	3000135	SCOP2B (2022-06-29)
A	SCOP2 Family	RecO N-terminal domain-like	8030387	4003159	SCOP2 (2022-06-29)
A	SCOP2 Family	RecO C-terminal domain-like	8030389	4003939	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleic acid-binding proteins	8042766	3000135	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ArfGap/RecO-like zinc finger	8042768	3000151	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF11967	e1u5kB1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF11967	ECOD (1.6)
B	PF02565	e1u5kB2	A: few secondary structure elements	X: Glucocorticoid receptor-like	H: LIM domain-like	T: LIM domain-like	F: PF02565	ECOD (1.6)
A	PF11967	e1u5kA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF11967	ECOD (1.6)
A	PF02565	e1u5kA2	A: few secondary structure elements	X: Glucocorticoid receptor-like	H: LIM domain-like	T: LIM domain-like	F: PF02565	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
B	1.20.1440.120	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Recombination protein O, C-terminal domain	CATH (4.3.0)
B	6.20.220.20	Special	Other non-globular	Erythroid Transcription Factor GATA-1	Chain A	CATH (4.3.0)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
A	1.20.1440.120	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	Recombination protein O, C-terminal domain	CATH (4.3.0)
A	6.20.220.20	Special	Other non-globular	Erythroid Transcription Factor GATA-1	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF11967	Recombination protein O N terminal (RecO_N)	Recombination protein O N terminal	Recombination protein O (RecO) is involved in DNA repair and Pfam:PF00470 pathway recombination. This domain forms a beta barrel structure.	Domain
A, B	PF02565	Recombination protein O C terminal (RecO_C)	Recombination protein O C terminal	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	hypothetical protein	cation binding ion binding binding metal ion binding small molecule binding	cellular response to stimulus double-strand break repair response to stimulus 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 metabolic process cellular process cellular response to stimulus double-strand break repair response to stimulus 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 metabolic process cellular process macromolecule metabolic process DNA repair DNA recombination	intracellular organelle bacterial nucleoid intracellular anatomical structure organelle intracellular non-membrane-bounded organelle nucleoid cellular anatomical entity non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR022572	DNA replication/recombination mediator RecO, N-terminal	Domain
A, B	IPR042242	Recombination protein O, C-terminal	Homologous Superfamily
A, B	IPR037278	ARFGAP/RecO-like zinc finger	Homologous Superfamily
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	IPR003717	Recombination protein O, RecO	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.