3WZP

Crystal structure of the core streptavidin mutant V21 (Y22S/N23D/S27D/Y83S/R84K/E101D/R103K/E116N) complexed with iminobiotin long tail (IMNtail) at 1.2 A resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d3wzpb1	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	automated matches	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
B	d3wzpb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
C	d3wzpc1	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	automated matches	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
C	d3wzpc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
D	d3wzpd1	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	automated matches	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
D	d3wzpd2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
A	d3wzpa1	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	automated matches	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
A	d3wzpa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Avidin	e3wzpB1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)
C	Avidin	e3wzpC1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)
D	Avidin	e3wzpD1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)
A	Avidin	e3wzpA1	A: beta barrels	X: Lipocalins/Streptavidin	H: Avidin/Streptavidin (From Topology)	T: Avidin/Streptavidin	F: Avidin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.128.30	Mainly Beta	Beta Barrel	Lipocalin	Avidin-like	CATH (4.3.0)
C	2.40.128.30	Mainly Beta	Beta Barrel	Lipocalin	Avidin-like	CATH (4.3.0)
D	2.40.128.30	Mainly Beta	Beta Barrel	Lipocalin	Avidin-like	CATH (4.3.0)
A	2.40.128.30	Mainly Beta	Beta Barrel	Lipocalin	Avidin-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01382	Avidin family (Avidin)	Avidin family	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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

InterPro: Protein Family Classification InterPro Database Homepage

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.