Annotations: 8QQ3

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Avidin/streptavidin	8040372	3001465	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DNA_topoisoIV	e8qq3A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
B	DNA_topoisoIV	e8qq3B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
D	DNA_topoisoIV	e8qq3D1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
C	DNA_topoisoIV	e8qq3C1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Streptavidin	biotin binding organic acid binding binding vitamin binding ion binding anion binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding	-	cellular anatomical structure extracellular region

Chains	Accession	Name	Type
A, B, C, D	IPR017889	Avidin-like, conserved site	Conserved Site
A, B, C, D	IPR036896	Avidin-like superfamily	Homologous Superfamily
A, B, C, D	IPR051764	Avidin/Streptavidin-related	Family
A, B, C, D	IPR005468	Avidin/streptavidin	Family
A, B, C, D	IPR005469	Avidin	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8QQ3 | pdb_00008qq3