1QQR | pdb_00001qqr

CRYSTAL STRUCTURE OF STREPTOKINASE DOMAIN B

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)
D	d1qqrd_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Staphylokinase/streptokinase	Staphylokinase/streptokinase	Streptokinase	(Streptococcus dysgalactiae subsp. equisimilis ) [TaxId: 119602 ],	SCOPe (2.08)
C	d1qqrc_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Staphylokinase/streptokinase	Staphylokinase/streptokinase	Streptokinase	(Streptococcus dysgalactiae subsp. equisimilis ) [TaxId: 119602 ],	SCOPe (2.08)
B	d1qqrb_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Staphylokinase/streptokinase	Staphylokinase/streptokinase	Streptokinase	(Streptococcus dysgalactiae subsp. equisimilis ) [TaxId: 119602 ],	SCOPe (2.08)
A	d1qqra_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Staphylokinase/streptokinase	Staphylokinase/streptokinase	Streptokinase	(Streptococcus dysgalactiae subsp. equisimilis ) [TaxId: 119602 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Staphylokinase/streptokinase	8085573	3000371	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Staphylokinase/streptokinase	8085573	3000371	SCOP2B (2022-06-29)
B	SCOP2 Family	Staphylokinase/streptokinase	8085572	4000987	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Staphylokinase/streptokinase	8085573	3000371	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Staphylokinase/streptokinase	8085573	3000371	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)
D	Staphylokinase_1	e1qqrD1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Staphylokinase_1	ECOD (1.6)
C	Staphylokinase_1	e1qqrC1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Staphylokinase_1	ECOD (1.6)
B	Staphylokinase_1	e1qqrB1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Staphylokinase_1	ECOD (1.6)
A	Staphylokinase_1	e1qqrA1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Staphylokinase_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.10.20.180	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
C	3.10.20.180	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
B	3.10.20.180	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
A	3.10.20.180	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02821	Staphylokinase/Streptokinase family (Staphylokinase)	Staphylokinase/Streptokinase family		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	STREPTOKINASE DOMAIN B	-	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036120	Staphylokinase/Streptokinase superfamily	Homologous Superfamily
A, B, C, D	IPR008124	Streptokinase	Family
A, B, C, D	IPR004093	Staphylokinase	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.