2RQE

Solution structure of the silkworm bGRP/GNBP3 N-terminal domain reveals the mechanism for b-1,3-glucan specific recognition

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	Fibronectin type III	8052003	3002063	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	PF15886	e2rqeA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF15886	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.2140	Mainly Beta	Sandwich	Immunoglobulin-like	Beta-1,3-glucan-recognition protein, N-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF15886	Carbohydrate binding domain (family 32) (CBM39)	Carbohydrate binding domain (family 32)	This domain is found at the N-terminus of beta-1,3-glucan-binding proteins involved in recognition of invading micro-organisms. It often co-occurs with Pfam:PF00722 (Glycosyl hydrolases family 16). It recognises and binds to a triple-helical beta-1,3 ...	This domain is found at the N-terminus of beta-1,3-glucan-binding proteins involved in recognition of invading micro-organisms. It often co-occurs with Pfam:PF00722 (Glycosyl hydrolases family 16). It recognises and binds to a triple-helical beta-1,3-glucan structure [1-2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Beta-1,3-glucan-binding protein	binding polysaccharide binding (1->3)-beta-D-glucan binding carbohydrate binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity molecular transducer activity pattern recognition receptor activity signaling receptor activity polysaccharide immune receptor activity	regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus response to biotic stimulus response to stress regulation of response to stress innate immune response regulation of immune system process response to external biotic stimulus regulation of biological process immune response response to other organism regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus response to biotic stimulus response to stress regulation of response to stress innate immune response regulation of immune system process response to external biotic stimulus regulation of biological process immune response response to other organism defense response regulation of innate immune response biological regulation defense response to symbiont response to external stimulus regulation of response to stimulus immune system process defense response to other organism regulation of immune response cellular response to stimulus positive regulation of response to biotic stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process pattern recognition receptor signaling pathway cell communication immune response-activating signaling pathway positive regulation of immune response signal transduction positive regulation of immune system process innate immune response-activating signaling pathway immune response-activating cell surface receptor signaling pathway positive regulation of defense response activation of innate immune response activation of immune response signaling positive regulation of biological process innate immune response activating cell surface receptor signaling pathway positive regulation of response to stimulus positive regulation of response to external stimulus immune response-regulating signaling pathway cell surface pattern recognition receptor signaling pathway positive regulation of innate immune response cell surface receptor signaling pathway cellular process carbohydrate metabolic process organic substance metabolic process primary metabolic process metabolic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043030	Beta-1,3-glucan-binding protein, N-terminal domain superfamily	Homologous Superfamily
A	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
A	IPR035806	Beta-1,3-glucan recognition protein, C-terminal	Domain
A	IPR031756	Beta-1,3-glucan-binding protein, N-terminal	Domain
A	IPR000757	Glycoside hydrolase family 16	Domain

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 R01GM133198.