1I26

SOLUTION STRUCTURE OF PTU-1, A TOXIN FROM THE ASSASSIN BUGS PEIRATES TURPIS THAT BLOCKS THE VOLTAGE SENSITIVE CALCIUM CHANNEL N-TYPE

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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)
A	d1i26a_	Small proteins	Knottins (small inhibitors, toxins, lectins)	omega toxin-like	Insect toxins	PTU-1	(Peirates turpis ) [TaxId: 181095 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Insect toxins	8024193	4003618	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	omega toxin-like	8036572	3000255	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Toxin_30	e1i26A1	A: few secondary structure elements	X: omega toxin-like	H: omega toxin-related	T: omega toxin-related	F: Toxin_30	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08117	Ptu family (Toxin_30)	Ptu family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PTU-1	molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR012325	Assassin bug toxin-like	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.