Annotations: 1ITP

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1itpa1	Alpha and beta proteins (a+b)	Ferredoxin-like	Protease propeptides/inhibitors	Subtilase propeptides/inhibitors	Proteinase A inhibitor 1, POIA1	oyster mushroom (Pleurotus ostreatus ) [TaxId: 5322 ],	SCOPe (2.08)
A	d1itpa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	oyster mushroom (Pleurotus ostreatus ) [TaxId: 5322 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Protease propeptides/inhibitors	8032352	3001155	SCOP2B (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	Inhibitor_I9	e1itpA1	A: a+b two layers	X: Alpha-beta plaits	H: Protease propeptides/inhibitors (From Topology)	T: Protease propeptides/inhibitors	F: Inhibitor_I9	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.80	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Peptidase S8 propeptide/proteinase inhibitor I9	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	proteinase A inhibitor 1	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	organelle fusion cellular component organization vacuole fusion organelle organization vacuole organization vacuole fusion, non-autophagic cellular process cellular component organization or biogenesis	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR052471	Protease B Inhibitor I9	Family
A	IPR037045	Peptidase S8 propeptide/proteinase inhibitor I9 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.