2QUN | pdb_00002qun

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	AP_endonuc_2	e2qunD1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: AP_endonuc_2	ECOD (1.6)
C	AP_endonuc_2	e2qunC1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: AP_endonuc_2	ECOD (1.6)
B	AP_endonuc_2	e2qunB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: AP_endonuc_2	ECOD (1.6)
A	AP_endonuc_2	e2qunA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: AP_endonuc_2	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)
C	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)
B	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)
A	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	D-tagatose 3-epimerase	isomerase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

Chains	Accession	Name	Type
A, B, C, D	IPR013022	Xylose isomerase-like, TIM barrel domain	Domain
A, B, C, D	IPR036237	Xylose isomerase-like superfamily	Homologous Superfamily
A, B, C, D	IPR050312	IolE/XylA/MocC-like	Family