3N0U

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF22175	e3n0uA1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: DNA-glycosylase	F: PF22175	ECOD (1.6)
B	PF22175	e3n0uB1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: DNA-glycosylase	F: PF22175	ECOD (1.6)
C	PF22175	e3n0uC1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: DNA-glycosylase	F: PF22175	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.1670.10	Mainly Alpha	Orthogonal Bundle	Endonuclease Iii, domain 2	Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal)	CATH (4.3.0)
A	1.10.340.30	Mainly Alpha	Orthogonal Bundle	Endonuclease III	domain 1	CATH (4.3.0)
B	1.10.1670.10	Mainly Alpha	Orthogonal Bundle	Endonuclease Iii, domain 2	Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal)	CATH (4.3.0)
B	1.10.340.30	Mainly Alpha	Orthogonal Bundle	Endonuclease III	domain 1	CATH (4.3.0)
C	1.10.1670.10	Mainly Alpha	Orthogonal Bundle	Endonuclease Iii, domain 2	Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal)	CATH (4.3.0)
C	1.10.340.30	Mainly Alpha	Orthogonal Bundle	Endonuclease III	domain 1	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Probable N-glycosylase/DNA lyase	DNA-(apurinic or apyrimidinic site) endonuclease activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid class I DNA-(apurinic or apyrimidinic site) endonuclease activity lyase activity catalytic activity carbon-oxygen lyase activity hydrolase activity, acting on glycosyl bonds hydrolase activity hydrolase activity, hydrolyzing N-glycosyl compounds	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process base-excision repair organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process base-excision repair organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair	-

Chains	Accession	Name	Type
A, B, C	IPR012092	8-oxoguanine DNA glycosylase/AP lyase Ogg	Family
A, B, C	IPR003265	HhH-GPD domain	Domain
A, B, C	IPR023170	Helix-hairpin-helix, base-excision DNA repair, C-terminal	Homologous Superfamily
A, B, C	IPR011257	DNA glycosylase	Homologous Superfamily