Annotations: 1KL3

an engineered streptavidin with improved affinity for the strep-tag II peptide : SAm1-StrepII

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
D	d1kl3d_	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	Streptavidin	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
C	d1kl3c_	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	Streptavidin	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
B	d1kl3b_	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	Streptavidin	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)
A	d1kl3a_	All beta proteins	Streptavidin-like	Avidin/streptavidin	Avidin/streptavidin	Streptavidin	(Streptomyces avidinii ) [TaxId: 1895 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Rhv	e1kl3D1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
C	Rhv	e1kl3C1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
B	Rhv	e1kl3B1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
A	Rhv	e1kl3A1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	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)
B	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E, F, G, H	strep-tag II peptide	-	-	-
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

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