Annotations: 4CJ1

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Six-hairpin glycosidases	8038377	3000970	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	E set domains	8054895	3000070	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Chromo domain-like	8034344	3000161	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	CelD_N	e4cj1A2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CelD_N	ECOD (1.6)
A	Glyco_hydro_9	e4cj1A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: Glyco_hydro_9	ECOD (1.6)
B	7kD_DNA_binding	e4cj1B1	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: 7kD_DNA_binding	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	1.50.10.10	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase		CATH (4.3.0)
B	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00759	Glycosyl hydrolase family 9 (Glyco_hydro_9)	Glycosyl hydrolase family 9	-	Repeat
A	PF02927	Cellulase N-terminal ig-like domain (CelD_N)	Cellulase N-terminal ig-like domain	-	Domain
B	PF02294	7kD DNA-binding domain (7kD_DNA_binding)	7kD DNA-binding domain	This family contains members of the hyper-thermophilic archaebacterium 7kD DNA-binding/endoribonuclease P2 family. There are five 7kD DNA-binding proteins, 7a-7e, found as monomers in the cell. Protein 7e shows the tightest DNA-binding ability.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ENDOGLUCANASE D	hydrolase activity, acting on glycosyl bonds cellulase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	carbohydrate metabolic process catabolic process glucan catabolic process beta-glucan metabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process glucan metabolic process beta-glucan catabolic process polysaccharide catabolic process metabolic process cellulose catabolic process macromolecule metabolic process carbohydrate metabolic process catabolic process glucan catabolic process beta-glucan metabolic process carbohydrate catabolic process primary metabolic process macromolecule catabolic process polysaccharide metabolic process glucan metabolic process beta-glucan catabolic process polysaccharide catabolic process metabolic process cellulose catabolic process macromolecule metabolic process cellulose metabolic process	-
B	H3 AFFITIN	DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002105	Dockerin type I repeat	Repeat
A	IPR016134	Dockerin domain	Domain
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR008928	Six-hairpin glycosidase superfamily	Homologous Superfamily
A	IPR012341	Six-hairpin glycosidase-like superfamily	Homologous Superfamily
A	IPR018221	Glycoside hydrolase family 9, His active site	Active Site
A	IPR033126	Glycosyl hydrolases family 9, Asp/Glu active sites	Active Site
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A	IPR001701	Glycoside hydrolase family 9	Domain
A	IPR036439	Dockerin domain superfamily	Homologous Superfamily
A	IPR004197	Cellulase, Ig-like domain	Domain
B	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
B	IPR003212	DNA-binding protein 7a-e	Family

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.