Annotations: 2ERI

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2eria_	Small proteins	Knottins (small inhibitors, toxins, lectins)	Cyclotides	Circulin A	automated matches	(Chassalia parviflora ) [TaxId: 58431 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cyclotide	e2eriA1	A: few secondary structure elements	X: omega toxin-like	H: omega toxin-related	T: Cyclotides	F: Cyclotide	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Circulin B	-	defense response to bacterium biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to bacterium response to stress response to external stimulus response to external biotic stimulus response to biotic stimulus	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR012323	Cyclotide, bracelet, conserved site	Conserved Site
A	IPR005535	Cyclotide	Family
A	IPR036146	Cyclotide 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.