Annotations: 3S8I

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Dimeric aspartyl proteases	8045374	4004443	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Acid proteases	8080834	3001059	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Acid proteases	8080834	3001059	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	Asp_protease	e3s8iA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Asp_protease	ECOD (1.6)
B	Asp_protease	e3s8iB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Asp_protease	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.70.10	Mainly Beta	Beta Barrel	Cathepsin D, subunit A	domain 1	CATH (4.3.0)
B	2.40.70.10	Mainly Beta	Beta Barrel	Cathepsin D, subunit A	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF09668	Aspartyl protease (Asp_protease)	Aspartyl protease	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein DDI1 homolog 1	aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity	regulation of protein stability biological regulation regulation of biological quality cellular response to stimulus cellular response to nitrogen compound cellular response to inorganic substance response to organic substance response to stimulus response to nitrogen compound response to inorganic substance cellular response to hydroxyurea cellular response to chemical stimulus response to hydroxyurea response to chemical regulation of protein stability biological regulation regulation of biological quality cellular response to stimulus cellular response to nitrogen compound cellular response to inorganic substance response to organic substance response to stimulus response to nitrogen compound response to inorganic substance cellular response to hydroxyurea cellular response to chemical stimulus response to hydroxyurea response to chemical cellular process regulation of DNA stability organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process proteasomal protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process organic substance metabolic process proteolysis metabolic process protein metabolic process macromolecule metabolic process organic substance catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR033882	DNA damage inducible protein 1 ubiquitin-like domain	Domain
A, B	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
A, B	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily
A, B	IPR000626	Ubiquitin-like domain	Domain
A, B	IPR019103	Aspartic peptidase, DDI1-type	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.