3QHN

Crystal analysis of the complex structure, E201A-cellotetraose, of endocellulase from pyrococcus horikoshii

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)
C	SCOP2B Superfamily	(Trans)glycosidases	8082053	3000313	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	(Trans)glycosidases	8082053	3000313	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	(Trans)glycosidases	8082053	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)
C	Cellulase	e3qhnC2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Cellulase	ECOD (1.6)
A	Cellulase	e3qhnA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Cellulase	ECOD (1.6)
B	Cellulase	e3qhnB2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Cellulase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00150	Cellulase (glycosyl hydrolase family 5) (Cellulase)	Cellulase (glycosyl hydrolase family 5)	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	458aa long hypothetical endo-1,4-beta-glucanase	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 polysaccharide metabolic process catabolic process polysaccharide catabolic process carbohydrate catabolic process metabolic process primary metabolic process macromolecule metabolic process macromolecule catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR027552	CGP-CTERM protein-sorting domain	Domain
A, B, C	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B, C	IPR001547	Glycoside hydrolase, family 5	Domain
A, B, C	IPR018087	Glycoside hydrolase, family 5, conserved site	Conserved Site

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.