5HOF

Crystal structure of AbnA, a GH43 extracellular arabinanase from Geobacillus stearothermophilus, in complex with arabinopentaose

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Concanavalin A-like lectins/glucanases	8090524	3000120	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	GH43_C	e5hofA3	A: beta barrels	X: Lipocalins/Streptavidin	H: Barrel domain in extracellular arabinanase (From Topology)	T: Barrel domain in extracellular arabinanase	F: GH43_C	ECOD (1.6)
A	Laminin_G_3	e5hofA2	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Concanavalin A-like lectins/glucanases	F: Laminin_G_3	ECOD (1.6)
A	abnA_Ig	e5hofA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Ig-like domain in extracellular arabinanase (From Topology)	T: Ig-like domain in extracellular arabinanase	F: abnA_Ig	ECOD (1.6)
A	Glyco_hydro_43	e5hofA4	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 5-bladed	F: Glyco_hydro_43	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.115.10.20	Mainly Beta	5 Propeller	Tachylectin-2	Chain A	CATH (utative)
A	2.40.128.10	Mainly Beta	Beta Barrel	Lipocalin		CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04616	Glycosyl hydrolases family 43 (Glyco_hydro_43)	Glycosyl hydrolases family 43	-	Repeat
A	PF13385	Concanavalin A-like lectin/glucanases superfamily (Laminin_G_3)	Concanavalin A-like lectin/glucanases superfamily	This domain belongs to the Concanavalin A-like lectin/glucanases superfamily.	Domain
A	PF16369	C-terminal lipocalin-like domain (GH43_C)	C-terminal lipocalin-like domain	This is the C-terminal domain of Glycosyl hydrolases family 43. It is around 100 residues in length from various Bacteroides species. The function of this family is unknown. The domain is distantly related to lipocalins.	Domain
A	PF20578	Atrophied bacterial Ig domain (aBig_2)	Atrophied bacterial Ig domain	This domain is related to Pfam:PF02368 a bacterial immunoglobulin-like domain. According to structure predictions members of this domain family have lost several beta strands found on one sheet of the Ig domain. This domain is found in a wide range o ...	This domain is related to Pfam:PF02368 a bacterial immunoglobulin-like domain. According to structure predictions members of this domain family have lost several beta strands found on one sheet of the Ig domain. This domain is found in a wide range of bacterial cell surface proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Extracellular arabinanase	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 organic substance metabolic process primary metabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
A	IPR023296	Glycosyl hydrolase, five-bladed beta-propeller domain superfamily	Homologous Superfamily
A	IPR006558	LamG-like jellyroll fold	Domain
A	IPR046780	Atrophied bacterial Ig domain	Domain
A	IPR006710	Glycoside hydrolase, family 43	Family
A	IPR032291	Extracellular endo-alpha-(1->5)-L-arabinanase, 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.