Annotations: 3ZO9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Malt_amylase_C	e3zo9A3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Malt_amylase_C	ECOD (1.6)
A	Alpha-amylase	e3zo9A4	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Alpha-amylase	ECOD (1.6)
B	Malt_amylase_C	e3zo9B2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Malt_amylase_C	ECOD (1.6)
B	Alpha-amylase	e3zo9B1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Alpha-amylase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	3.90.400.10	Alpha Beta	Alpha-Beta Complex	Oligo-1,6-glucosidase	domain 2	CATH (4.3.0)
A	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	3.90.400.10	Alpha Beta	Alpha-Beta Complex	Oligo-1,6-glucosidase	domain 2	CATH (4.3.0)
B	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00128	Alpha amylase, catalytic domain (Alpha-amylase)	Alpha amylase, catalytic domain	Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, a ...	Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain.	Domain
A, B	PF16657	Maltogenic Amylase, C-terminal domain (Malt_amylase_C)	Maltogenic Amylase, C-terminal domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	TREHALOSE SYNTHASE/AMYLASE TRES	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding maltose alpha-D-glucosyltransferase activity isomerase activity catalytic activity intramolecular transferase activity hydrolase activity, acting on glycosyl bonds amylase activity alpha-amylase activity hydrolase activity, hydrolyzing O-glycosyl compounds cation binding ion binding binding calcium ion binding metal ion binding small molecule binding maltose alpha-D-glucosyltransferase activity isomerase activity catalytic activity intramolecular transferase activity hydrolase activity, acting on glycosyl bonds amylase activity alpha-amylase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity	carbohydrate metabolic process organic substance metabolic process maltose metabolic process oligosaccharide metabolic process primary metabolic process metabolic process disaccharide metabolic process catabolic process carbohydrate catabolic process macromolecule catabolic process polysaccharide metabolic process polysaccharide catabolic process macromolecule metabolic process organic substance catabolic process carbohydrate metabolic process organic substance metabolic process maltose metabolic process oligosaccharide metabolic process primary metabolic process metabolic process disaccharide metabolic process catabolic process carbohydrate catabolic process macromolecule catabolic process polysaccharide metabolic process polysaccharide catabolic process macromolecule metabolic process organic substance catabolic process glucan biosynthetic process polysaccharide biosynthetic process energy derivation by oxidation of organic compounds cellular biosynthetic process carbohydrate biosynthetic process cellular metabolic process glycogen metabolic process generation of precursor metabolites and energy glycogen biosynthetic process macromolecule biosynthetic process glucan metabolic process biosynthetic process organic substance biosynthetic process cellular process energy reserve metabolic process trehalose metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR045857	Oligo-1,6-glucosidase, domain 2	Homologous Superfamily
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR012810	Trehalose synthase/alpha-amylase, N-terminal	Domain
A, B	IPR006047	Glycosyl hydrolase, family 13, catalytic domain	Domain
A, B	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily
A, B	IPR032091	Maltogenic Amylase, C-terminal	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.