5IFP
STRUCTURE OF BETA-GALACTOSIDASE FROM ASPERGILLUS NIGER
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | beta-galactosidase A | polymer | 1013 | 110628.8 | 1 | UniProt (A2QAN3) Pfam (PF01301) Pfam (PF10435) Pfam (PF13363) Pfam (PF13364) | Aspergillus niger CBS 513.88 | Lactase A |
| 2 | B, C (B, C) | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 1397.2 | 2 | In PDB GlyTouCan (G83582BK) | |||
| 3 | D (D) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 1 | In PDB GlyTouCan (G42666HT) | |||
| 4 | E (E) | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 1073.0 | 1 | In PDB GlyTouCan (G01760ZU) | |||
| 5 | F, G, H, I, J... (A) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 6 | Chemie (NAG) | |||
| 6 | L, M (A) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 7 | N (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 8 | O (A) | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 1 | Chemie (BTB) | |||
| 9 | P, Q, R, S, T (A) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 10 | U (A) | water | water | 18.0 | 1011 | Chemie (HOH) |
Sequence modifications
A: 1 - 1007 (UniProt: A2QAN3)
| PDB | External Database | Details |
|---|---|---|
| His 1008 | - | expression tag |
| His 1009 | - | expression tag |
| His 1010 | - | expression tag |
| His 1011 | - | expression tag |
| His 1012 | - | expression tag |
| His 1013 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 110628.8 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 4291.9 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 2224.5 | |
| All* | Total formula weight | 117145.2 |






