1FYB | pdb_00001fyb

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1fyba1	Small proteins	Plant proteinase inhibitors	Plant proteinase inhibitors	Plant proteinase inhibitors	Multidomain proteinase inhibitor	Persian tobacco (Nicotiana alata ) [TaxId: 4087 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Plant proteinase inhibitors	8092206	4003423	SCOP2 (2022-06-29)
A	SCOP2 Family	Plant proteinase inhibitors	8092208	4003423	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Plant proteinase inhibitors	8092207	3000611	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Plant proteinase inhibitors	8092209	3000611	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Plant proteinase inhibitors	8038716	3000611	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Prot_inhib_II	e1fybA1	A: few secondary structure elements	X: Plant proteinase inhibitors (From Topology)	H: Plant proteinase inhibitors (From Topology)	T: Plant proteinase inhibitors	F: Prot_inhib_II	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.60.30	Alpha Beta	2-Layer Sandwich	Wheat Germ Agglutinin (Isolectin 2)	domain 1	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROTEINASE INHIBITOR	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	-	-

Chains	Accession	Name	Type
A	IPR051391	Protease inhibitor I20 (potato type II proteinase inhibitor)	Family
A	IPR003465	Proteinase inhibitor I20	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.

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