7B74 | pdb_00007b74

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth DDD]	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)
C [auth CCC]	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)
B [auth BBB]	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)
A [auth AAA]	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth DDD]	Avidin	e7b74DDD1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)
C [auth CCC]	Avidin	e7b74CCC1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)
B [auth BBB]	Avidin	e7b74BBB1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)
A [auth AAA]	Avidin	e7b74AAA1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	Streptavidin,Superoxide dismutase [Cu-Zn],Streptavidin	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding superoxide dismutase activity oxidoreductase activity, acting on superoxide radicals as acceptor oxidoreductase activity antioxidant activity catalytic activity biotin binding organic acid binding cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding superoxide dismutase activity oxidoreductase activity, acting on superoxide radicals as acceptor oxidoreductase activity antioxidant activity catalytic activity biotin binding organic acid binding vitamin binding anion binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding sulfur compound binding	-	cell periphery cellular anatomical structure plasma membrane membrane extracellular region

Chains	Accession	Name	Type
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR024134	Superoxide dismutase (Cu/Zn) / superoxide dismutase copper chaperone	Family
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR036423	Superoxide dismutase-like, copper/zinc binding domain superfamily	Homologous Superfamily
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR018152	Superoxide dismutase, copper/zinc, binding site	Binding Site
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR001424	Superoxide dismutase, copper/zinc binding domain	Domain
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR017889	Avidin-like, conserved site	Conserved Site
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR036896	Avidin-like superfamily	Homologous Superfamily
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR051764	Avidin/Streptavidin-related	Family
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR005468	Avidin/streptavidin	Family
A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD]	IPR005469	Avidin	Family