Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilySix-hairpin glycosidases 8038371 3000970 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyCarbohydrate-binding domain 8040189 3000706 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyCarbohydrate-binding domain 8040189 3000706 SCOP2B (2022-06-29)
BSCOP2B SuperfamilySix-hairpin glycosidases 8038371 3000970 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ACBM_3e1js4A1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Common fold of diphtheria toxin/transcription factors/cytochrome fF: CBM_3ECOD (1.6)
AGlyco_hydro_9e1js4A2 A: alpha superhelicesX: Repetitive alpha hairpinsH: alpha/alpha toroid (From Topology)T: alpha/alpha toroidF: Glyco_hydro_9ECOD (1.6)
BCBM_3e1js4B1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Common fold of diphtheria toxin/transcription factors/cytochrome fF: CBM_3ECOD (1.6)
BGlyco_hydro_9e1js4B2 A: alpha superhelicesX: Repetitive alpha hairpinsH: alpha/alpha toroid (From Topology)T: alpha/alpha toroidF: Glyco_hydro_9ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.50.10.10 Mainly Alpha Alpha/alpha barrel Glycosyltransferase CATH (4.3.0)
A2.60.40.710 Mainly Beta Sandwich Immunoglobulin-like Endoglucanase-likeCATH (4.3.0)
B1.50.10.10 Mainly Alpha Alpha/alpha barrel Glycosyltransferase CATH (4.3.0)
B2.60.40.710 Mainly Beta Sandwich Immunoglobulin-like Endoglucanase-likeCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00942Cellulose binding domain (CBM_3)Cellulose binding domain- Domain
A, B
PF00759Glycosyl hydrolase family 9 (Glyco_hydro_9)Glycosyl hydrolase family 9- Repeat

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
cellulase (GH9)  M-CSA #559

Cellulase E4 from Thermomonospora is both exo- and endo- cellulases, catalysing the hydrolysis of cellulose. It contains both a family 9 catalytic domain, exhibiting an (alpha/apha)6 barrel fold and a family III cellulose binding domain, having an antiparallel beta-sandwich fold.

Defined by 4 residues: ASP:A-55ASP:A-58TYR:A-206GLU:A-424
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