Annotations: 1VIW

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1viwb_	All beta proteins	Concanavalin A-like lectins/glucanases	Concanavalin A-like lectins/glucanases	Legume lectins	alpha-Amylase inhibitor	(Phaseolus vulgaris ) [TaxId: 3885 ],	SCOPe (2.08)
A	d1viwa1	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	alpha-Amylases, C-terminal beta-sheet domain	Animal alpha-amylase	(Tenebrio molitor ) [TaxId: 7067 ],	SCOPe (2.08)
A	d1viwa2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Amylase, catalytic domain	Animal alpha-amylase	(Tenebrio molitor ) [TaxId: 7067 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Legume lectins	8028996	4000327	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Concanavalin A-like lectins/glucanases	8041375	3000120	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8043329	3000313	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Glycosyl hydrolase domain-like	8042902	3001528	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)
B	Lectin_legB	e1viwB1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Concanavalin A-like lectins/glucanases	F: Lectin_legB	ECOD (1.6)
A	Alpha-amylase_C	e1viwA1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: Alpha-amylase_C	ECOD (1.6)
A	Alpha-amylase	e1viwA2	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)
B	2.60.120.200	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.2.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.2.0)
A	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	ALPHA-AMYLASE-INHIBITOR	binding carbohydrate binding enzyme regulator activity molecular function inhibitor activity alpha-amylase inhibitor activity molecular function regulator activity enzyme inhibitor activity	-	-
A	ALPHA-AMYLASE	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding hydrolase activity, acting on glycosyl bonds amylase activity alpha-amylase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity anion binding chloride ion binding	carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
B	IPR001220	Legume lectin domain	Domain
B	IPR000985	Legume lectin, alpha chain, conserved site	Conserved Site
B	IPR050258	Leguminous Lectin	Family
B	IPR016363	Legume lectin	Family
B	IPR019825	Legume lectin, beta chain, Mn/Ca-binding site	Binding Site
A	IPR006048	Alpha-amylase/branching enzyme, C-terminal all beta	Domain
A	IPR031319	Alpha-amylase, C-terminal domain	Domain
A	IPR006047	Glycosyl hydrolase family 13, catalytic domain	Domain
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR006046	Alpha amylase	Family
A	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.