| 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 (920); Uniprot accession (4); PDB accession (8); 3D entries (2); cryst (0) |
| Bacteria | |||||||||||||||||||||
| Protein Name | EC# | Organism | GenBank | Uniprot |
| Subf | |||||||||||||||
| glycolipid exo-β-N-acetylgalactosaminidase (CpNga123; CPF_1473) | 3.2.1.53 3.2.1.- |
Clostridium perfringens ATCC 13124 | ABG82546.1 | A0A0H2YNR7 |
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| N-acetyl-β-galactosaminidase / β-N-acetylgalactosaminidase (BvGH123; BVU_2198) | 3.2.1.53 | Phocaeicola vulgatus ATCC 8482 | ABR39859.1 | A6L2E5 |
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