ENZYME entry: EC 3.2.1.81
| Accepted Name |
|---|
| Beta-agarase.
|
| Alternative Name(s) |
|---|
| Agarase. |
| Endo-beta-agarase. |
| Reaction catalysed |
|---|
| Hydrolysis of (1->4)-beta-D-galactosidic linkages in agarose, giving the tetramer as the predominant product |
| Comment(s) |
|---|
- Also acts on porphyran, but more slowly.
- Cleaves the beta-(1->4) linkages of agarose in a random manner with
retention of the anomeric-bond configuration, producing beta-anomers
that give rise progressively to alpha-anomers when mutarotation takes
place.
- The end products of hydrolysis are neoagarotetraose and
neoagarohexaose in the case of AgaA from the marine bacterium
Zobellia galactanivorans, and neoagarotetraose and neoagarobiose in
the case of AgaB.
|
| Cross-references |
|---|
| BRENDA | 3.2.1.81 |
| EC2PDB | 3.2.1.81 |
| ExplorEnz | 3.2.1.81 |
| PRIAM enzyme-specific profiles | 3.2.1.81 |
| KEGG Ligand Database for Enzyme Nomenclature | 3.2.1.81 |
| IUBMB Enzyme Nomenclature | 3.2.1.81 |
| IntEnz | 3.2.1.81 |
| MEDLINE | Find literature relating to 3.2.1.81 |
| MetaCyc | 3.2.1.81 |
| UniProtKB/Swiss-Prot |
| P85974, AGA34_AGAAL; | P48839, AGAA_VIBS7; | G0L322, AGAA_ZOBGA; |
| P48840, AGAB_VIBS7; | Q9RGX8, AGAB_ZOBGA; | D7GXG5, AGAC_ZOBGA; |
| D7GXG4, AGAD_ZOBGA; | P13734, AGAR_ALTAT; | P07883, AGAR_STRCO; |
| A8W969, AGB34_AGAAL; | B5CY73, BAGA_BACPM; |
|
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