1QNQ | pdb_00001qnq

The 3-D structure of a Trichoderma reesei b-mannanase from glycoside hydrolase family 5

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	d1qnqa_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	beta-glycanases	Beta-mannanase	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	(Trans)glycosidases	8043369	3000313	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		e1qnqA1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: Epimerase	F:	ECOD (20:10:01)

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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ENDO-1,4-B-D-MANNANASE	mannan endo-1,4-beta-mannosidase activity hydrolase activity, acting on glycosyl bonds beta-mannosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds mannosidase activity hydrolase activity catalytic activity oligosaccharide binding binding disaccharide binding carbohydrate binding polysaccharide binding cellulose binding	carbohydrate metabolic process catabolic process cell wall organization or biogenesis carbohydrate catabolic process primary metabolic process macromolecule catabolic process cell wall macromolecule catabolic process mannan metabolic process polysaccharide metabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process mannan catabolic process carbohydrate metabolic process catabolic process cell wall organization or biogenesis carbohydrate catabolic process primary metabolic process macromolecule catabolic process cell wall macromolecule catabolic process mannan metabolic process polysaccharide metabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process mannan catabolic process cell wall polysaccharide metabolic process cell wall macromolecule metabolic process cell wall polysaccharide catabolic process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR045053	Mannan endo-1,4-beta-mannosidase-like	Family
A	IPR000254	Cellulose-binding domain	Domain
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR001547	Glycoside hydrolase, family 5	Domain
A	IPR035971	Cellulose-binding domain superfamily	Homologous Superfamily

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.