| Activities in Family | Difructose-anhydride-I synthase (EC 4.2.1.179); |
|---|---|
| Mechanism | Retaining a |
| 3D Structure Status | β-jelly roll |
| Catalytic Nucleophile/Base | Glu (experimental) |
| Catalytic Proton Donor | Glu (experimental) |
| Note | Created after (Kashima et al., JBC, 2021) [PMID=34688653] who demonstrated the difructose dianhydride I synthase/hydrolase activity of aFFase1 protein in Bifidobacterium dentium JCM 1195 = DSM 20436 |
| External resources | CAZypedia; |
| Statistics | GenBank accession (2113); Uniprot accession (6); PDB accession (6); 3D entries (4); cryst (0) |
| Activity Id | EC# | Activity Name | Residue -2 | Bond -1 | Residue -1 | Reacting Bond | Residue +1 | Bond +1 | Residue +2 | Reactant |
| H239 | 3.2.1.- | a-D-arabinofuranosidase | [aDAraf | 1,X | alcohol | H2O | ||||
| H240 | 3.2.1.- | a-D-fructofuranosidase | [aDFruf | 2,X | alcohol | H2O | ||||
| H253 | 3.2.1.- | exo-a-1,5-D-arabinofuranosidase | [aDAraf | 1,5 | aDAraf | 1,5 | aDAraf | H2O | ||
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