Annotations: 4PUR

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF22420	e4purA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Glutathione S-transferase (GST)-C (From Topology)	T: Glutathione S-transferase (GST)-C	F: PF22420	ECOD (1.6)
A	PF13409	e4purA2	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: PF13409	ECOD (1.6)
B	PF22420	e4purB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Glutathione S-transferase (GST)-C (From Topology)	T: Glutathione S-transferase (GST)-C	F: PF22420	ECOD (1.6)
B	PF13409	e4purB2	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: PF13409	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
A	1.20.1050.10	Mainly Alpha	Up-down Bundle	Glutathione S-transferase Yfyf (Class Pi)	Chain A, domain 2	CATH (4.3.0)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
B	1.20.1050.10	Mainly Alpha	Up-down Bundle	Glutathione S-transferase Yfyf (Class Pi)	Chain A, domain 2	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A, B	PF13409	Glutathione S-transferase, N-terminal domain (GST_N_2)	Glutathione S-transferase, N-terminal domain	This family is closely related to Pfam:PF02798.	Domain