Annotations: 2H7Z

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2h7za1	Small proteins	Snake toxin-like	Snake toxin-like	Snake venom toxins	Irditoxin subunit A	(Boiga irregularis ) [TaxId: 92519 ],	SCOPe (2.08)
B	d2h7zb1	Small proteins	Snake toxin-like	Snake toxin-like	Snake venom toxins	Irditoxin subunit B	(Boiga irregularis ) [TaxId: 92519 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Snake venom toxins	8029805	4003278	SCOP2 (2021-05-27)
A	SCOP2 Superfamily	Snake toxin-like	8042184	3000545	SCOP2 (2021-05-27)
B	SCOP2 Family	Snake venom toxins	8029806	4003278	SCOP2 (2021-05-27)
B	SCOP2 Superfamily	Snake toxin-like	8042185	3000545	SCOP2 (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF21947	e2h7zA1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)
B	PF21947	e2h7zB1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (4.3.0)
B	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF21947	Snake toxin cobra-type (Toxin_cobra-type)	Snake toxin cobra-type	-	Family
B	PF21947	Snake toxin cobra-type (Toxin_cobra-type)	Snake toxin cobra-type	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Irditoxin subunit A	channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity neurotransmitter receptor regulator activity acetylcholine receptor regulator activity molecular function inhibitor activity acetylcholine receptor inhibitor activity signaling receptor inhibitor activity signaling receptor regulator activity toxin activity	biological process involved in interspecies interaction between organisms modulation of molecular function in another organism modulation of receptor activity in another organism modulation of process of another organism	extracellular region cellular anatomical entity
B	Irditoxin subunit B	channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity neurotransmitter receptor regulator activity acetylcholine receptor regulator activity molecular function inhibitor activity acetylcholine receptor inhibitor activity signaling receptor inhibitor activity signaling receptor regulator activity toxin activity	biological process involved in interspecies interaction between organisms modulation of molecular function in another organism modulation of receptor activity in another organism modulation of process of another organism	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018354	Snake toxin, conserved site	Conserved Site
A	IPR045860	Snake toxin-like superfamily	Homologous Superfamily
B	IPR018354	Snake toxin, conserved site	Conserved Site
B	IPR035076	Snake toxin/toxin-like	Domain
B	IPR045860	Snake toxin-like superfamily	Homologous Superfamily

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 R01GM133198.