Annotations: 1APF

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1apfa_	Small proteins	Defensin-like	Defensin-like	Defensin	Anthopleurin-B	(Anthopleura xanthogrammica ) [TaxId: 6112 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Defensin	8026238	4003358	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Defensin-like	8038617	3000681	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	Kunitz_BPTI	e1apfA1	A: alpha bundles	X: EGF-like	H: LDL receptor-like module	T: LDL receptor-like module	F: Kunitz_BPTI	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.20.20.10	Mainly Beta	Single Sheet	Anthopleurin-A	Anthopleurin-A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ANTHOPLEURIN-B	channel regulator activity ion channel regulator activity molecular function regulator activity sodium channel regulator activity transporter regulator activity toxin activity	cellular response to stimulus regulation of biological process regulation of signaling regulation of cellular process response to stimulus signaling biological regulation regulation of signal transduction cell communication regulation of response to stimulus regulation of cell communication cellular process signal transduction	cellular anatomical structure extracellular region cell periphery intracellular organelle cell cortex intracellular anatomical structure organelle membraneless organelle nematocyst intracellular membraneless organelle cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000693	Sea anemone toxin	Family
A	IPR023355	Myotoxin/Anemone neurotoxin domain 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.