4CVW

Structure of the barley limit dextrinase-limit dextrinase inhibitor complex

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d4cvwc_	All alpha proteins	Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	automated matches	automated matches	BARLEY (Hordeum vulgare ) [TaxId: 4513 ],	SCOPe (2.08)
D	d4cvwd_	All alpha proteins	Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	automated matches	automated matches	BARLEY (Hordeum vulgare ) [TaxId: 4513 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	8070279	3000401	SCOP2B (2022-06-29)
D	SCOP2 Family	Proteinase/alpha-amylase inhibitors	8070278	4000997	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	8070279	3000401	SCOP2 (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	pullul_strch_1st	e4cvwA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: pullul_strch_1st	ECOD (1.6)
A	CBM_48	e4cvwA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CBM_48	ECOD (1.6)
A	DUF3372	e4cvwA4	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: DUF3372	ECOD (1.6)
A	Alpha-amylase	e4cvwA3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Alpha-amylase	ECOD (1.6)
B	pullul_strch_1st	e4cvwB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: pullul_strch_1st	ECOD (1.6)
B	CBM_48	e4cvwB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CBM_48	ECOD (1.6)
B	DUF3372	e4cvwB3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: DUF3372	ECOD (1.6)
B	Alpha-amylase	e4cvwB4	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Alpha-amylase	ECOD (1.6)
C	Tryp_alpha_amyl	e4cvwC1	A: alpha superhelices	X: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin-like	H: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin/Protein HNS-dependent expression A HdeA	T: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	F: Tryp_alpha_amyl	ECOD (1.6)
D	Tryp_alpha_amyl	e4cvwD1	A: alpha superhelices	X: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin-like	H: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin/Protein HNS-dependent expression A HdeA	T: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin	F: Tryp_alpha_amyl	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.1130	Mainly Beta	Sandwich	Immunoglobulin-like	Rab geranylgeranyltransferase alpha-subunit, insert domain	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
B	2.60.40.1130	Mainly Beta	Sandwich	Immunoglobulin-like	Rab geranylgeranyltransferase alpha-subunit, insert domain	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
C	1.10.110.10	Mainly Alpha	Orthogonal Bundle	Hydrophobic Seed Protein	Plant lipid-transfer and hydrophobic proteins	CATH (4.3.0)
D	1.10.110.10	Mainly Alpha	Orthogonal Bundle	Hydrophobic Seed Protein	Plant lipid-transfer and hydrophobic proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02922	Carbohydrate-binding module 48 (Isoamylase N-terminal domain) (CBM_48)	Carbohydrate-binding module 48 (Isoamylase N-terminal domain)	This domain is found in a range of enzymes that act on branched substrates - isoamylase, pullulanase and branching enzyme. This family also contains the beta subunit of 5' AMP activated kinase.	Domain
A, B	PF11852	Alpha-1,6-glucosidases, pullulanase-type, C-terminal (Pullul_strch_C)	Alpha-1,6-glucosidases, pullulanase-type, C-terminal	-	Family
A, B	PF17967	Pullulanase N2 domain (Pullulanase_N2)	Pullulanase N2 domain	This domain is found close to the N-terminus of the Klebsiella starch debranching pullulanase enzyme [1]. The structure of the domain is a beta sandwich fold.	Domain
C, D	PF00234	Protease inhibitor/seed storage/LTP family (Tryp_alpha_amyl)	Protease inhibitor/seed storage/LTP family	This family is composed of trypsin-alpha amylase inhibitors, seed storage proteins and lipid transfer proteins from plants.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	LIMIT DEXTRINASE	pullulanase activity hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process organic substance metabolic process polysaccharide catabolic process metabolic process macromolecule metabolic process organic substance catabolic process	-
C, D	LIMIT DEXTRINASE INHIBITOR	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR024561	Alpha-1,6-glucosidases, pullulanase-type, C-terminal	Domain
A, B	IPR040671	Pullulanase, N2 domain	Domain
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, B	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily
A, B	IPR011839	Alpha-1,6-glucosidases, pullulanase-type	Domain
A, B	IPR004193	Glycoside hydrolase, family 13, N-terminal	Domain
C, D	IPR036312	Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain superfamily	Homologous Superfamily
C, D	IPR016140	Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain	Domain
C, D	IPR006105	Cereal seed allergen/trypsin and alpha-amylase inhibitor, conserved site	Conserved Site
C, D	IPR006106	Cereal seed allergen/grain softness/trypsin and alpha-amylase inhibitor	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.