| Mechanism | Retaining e |
|---|---|
| 3D Structure Status | ( β / α ) 8 barrel |
| Catalytic Nucleophile/Base | carbonyl oxygen of C-2 acetamido group of substrate |
| Catalytic Proton Donor | Glu |
| Note | Created after (Sumida et al., 2011) [PMID: 21297160]. Subfamilies established according to both (Moreno Prieto et al., 2024) [PMID:38129294] and (Sumida et al., 2024) [PMID:38730244]. In the latter, group 1 is GH123_4; group 2 is GH123_5; group 3 is GH123_3; group 4 is GH123_2 and group GH123 is GH123_1. |
| External resources | CAZypedia; |
| Statistics | GenBank accession (1); Uniprot accession (0); PDB accession (2); 3D entries (1); cryst (0) |
| Activity Id | EC# | Activity Name | Residue -2 | Bond -1 | Residue -1 | Reacting Bond | Residue +1 | Bond +1 | Residue +2 | Reactant |
| H399 | 3.2.1.- | exo-b-1,3-N-acetylgalactosaminidase | [bDGalpNAc | 1,3 | aDGalp | 1,4 | bDGalp | H2O | ||
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