| Activities in Family | [retaining] β-1,3-glucanosyltransglucosidase (EC 2.4.1.-); β-transglycosidase (EC 2.4.1.-); Chitin β-1,3/1,6-glucanosyltransferase (EC 2.4.1.-); Xyloglucan:xyloglucosyl transferase (EC 2.4.1.207); GlcNAc-α-1,4-Gal-releasing endo-β-galactosidase (EC 3.2.1.-); [retaining] β-1,3-glucanase (EC 3.2.1.-); α-carrageenase (EC 3.2.1.-); β-carrageenase (EC 3.2.1.-); Endo-β-1,4-galactosidase (EC 3.2.1.-); Keratan-sulfate endo-β-1,4-galactosidase / keratanase (EC 3.2.1.103); Xyloglucan-specific endo-β-1,4-glucanase / endo-xyloglucanase (EC 3.2.1.151); [retaining] β-porphyranase (EC 3.2.1.178); Endo-β-1,3-galactanase (EC 3.2.1.181); β-glucosidase (EC 3.2.1.21); β-galactosidase (EC 3.2.1.23); Hyaluronidase / hyaluronoglucosaminidase (EC 3.2.1.35); Endo-β-1,3-glucanase / laminarinase (EC 3.2.1.39); Endo-β-1,3(4)-glucanase / lichenase-laminarinase (EC 3.2.1.6); Lichenase / endo-β-1,3-1,4-glucanase (EC 3.2.1.73); β-agarase (EC 3.2.1.81); κ-carrageenase (EC 3.2.1.83); |
|---|---|
| Mechanism | Retaining e |
| Clan | GH-B |
| 3D Structure Status | β-jelly roll |
| Catalytic Nucleophile/Base | Glu (experimental) |
| Catalytic Proton Donor | Glu (experimental) |
| Note | Many members have been assigned to subfamilies as described by Viborg et al. (2019) J Biol Chem. 2019 Sep 9 (PMID: 31501245). |
| External resources | CAZypedia; HOMSTRAD; PRINTS; PROSITE; XTH-World; |
| Commercial Enzyme Provider(s) | MEGAZYME; NZYTech; PROZOMIX; |
| Statistics | GenBank accession (20310); Uniprot accession (249); PDB accession (112); 3D entries (55); cryst (1) |
| unclassified | |||||||
| Protein Name | EC# | Organism | GenBank | Uniprot | PDB/3D | Subf | |
| β-glucanase precursor | feces metagenome | SJX74186.1 | 3 | ||||
| UFOVP1247_35 | freshwater metagenome | CAB4193193.1 | |||||
| UFOVP970_75 | freshwater metagenome | CAB4174734.1 | |||||
| lichenase (Licbm2) | Transformation vector pBISN1-IN | ACI16381.1 | 21 | ||||
| β-agarase, partial | uncultured microorganism | ANT83229.1 | 16 | ||||
| β-glucanase (G05-26) | 3.2.1.21 | uncultured organism | ACY24737.1 | D8VMV3 | 25 | ||
| endo-β-1,3(4)-glucanase (G05-27) | 3.2.1.73 | uncultured organism | ACY24738.1 | D8VMV4 | 25 | ||
| β-glucanase | uncultured organism | ADD61790.1 | 21 | ||||
| ORF | uncultured organism | ADD61857.1 | 3 | ||||
| ORF | uncultured organism | ADD61979.1 | 3 | ||||
| ORF (fragment) | uncultured organism | AGU11270.1 | |||||
| MM171B00931_0002 | viral metagenome | QJB03038.1 | |||||
| MM171A01442_0002 | viral metagenome | QJA98926.1 | |||||
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