Annotations: 1C55

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1c55a_	Small proteins	Knottins (small inhibitors, toxins, lectins)	Scorpion toxin-like	Short-chain scorpion toxins	Butantoxin	(Tityus serrulatus ) [TaxId: 6887 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Short-chain scorpion toxins	8025832	4003142	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Scorpion toxin-like	8038211	3000309	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	GMC_oxred_C	e1c55A2	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: GMC_oxred_C	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.30.10	Alpha Beta	2-Layer Sandwich	Defensin A-like	Knottin, scorpion toxin-like	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036574	Knottin, scorpion toxin-like superfamily	Homologous Superfamily
A	IPR001947	Scorpion short chain toxin, potassium channel inhibitor	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.