Annotations: 4EQA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e4eqaA1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e4eqaB1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF21565	e4eqaC1	A: a+b two layers	X: IF3-like	H: SirA-like (From Topology)	T: SirA-like	F: PF21565	ECOD (1.6)
D	PF21565	e4eqaD1	A: a+b two layers	X: IF3-like	H: SirA-like (From Topology)	T: SirA-like	F: PF21565	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1720.10	Alpha Beta	Alpha-Beta Complex	endopeptidase fold (from Nostoc punctiforme)	endopeptidase domain like (from Nostoc punctiforme)	CATH (4.3.0)
B	3.90.1720.10	Alpha Beta	Alpha-Beta Complex	endopeptidase fold (from Nostoc punctiforme)	endopeptidase domain like (from Nostoc punctiforme)	CATH (4.3.0)
C	2.40.128.650	Mainly Beta	Beta Barrel	Lipocalin		CATH (4.3.0)
D	2.40.128.650	Mainly Beta	Beta Barrel	Lipocalin		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, D	PF21565	Immune protein Tsi1 (Tsi1)	Immune protein Tsi1	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Putative uncharacterized protein	amidase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	-	host cellular component host cell part host cell membrane cellular anatomical entity membrane extracellular region
C, D	Putative uncharacterized protein	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
C, D	IPR049346	Immune protein Tsi1-like superfamily	Homologous Superfamily
C, D	IPR049345	Immune protein Tsi1	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 R01GM133198.