Annotations: 2JF4

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2jf4a1	All alpha proteins	alpha/alpha toroid	Six-hairpin glycosidases	Trehalase-like	Periplasmic trehalase TreA	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Six-hairpin glycosidases	8034647	3000970	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	Trehalase	e2jf4A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: Trehalase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.50.10.10	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01204	Trehalase (Trehalase)	Trehalase	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PERIPLASMIC TREHALASE	hydrolase activity, acting on glycosyl bonds alpha,alpha-trehalase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity trehalase activity catalytic activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process carbohydrate metabolic process trehalose catabolic process catabolic process trehalose metabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process primary metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process carbohydrate metabolic process trehalose catabolic process catabolic process trehalose metabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process primary metabolic process disaccharide metabolic process organic substance metabolic process metabolic process organic substance catabolic process disaccharide catabolic process response to osmotic stress cellular response to chemical stress cellular response to osmotic stress cellular response to environmental stimulus cellular response to chemical stimulus hyperosmotic response cellular hyperosmotic response response to chemical response to abiotic stimulus cellular response to abiotic stimulus	outer membrane-bounded periplasmic space cell envelope periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR012341	Six-hairpin glycosidase-like superfamily	Homologous Superfamily
A	IPR018232	Glycoside hydrolase, family 37, conserved site	Conserved Site
A	IPR001661	Glycoside hydrolase, family 37	Family
A	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A	IPR023720	Trehalase, periplasmic	Family

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.