2GVY
Monoclinic crystal form of Aspergillus niger alpha-amylase in complex with maltose at 1.8 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Alpha-amylase A | polymer | 478 | 52526.0 | 2 | UniProt (P0C1B3) Pfam (PF00128) Pfam (PF09260) | Aspergillus oryzae | Taka-amylase A, TAA, 1,4- alpha-D-glucan glucanohydrolase |
| 2 | C, E, H (C, E, H) | alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 342.3 | 3 | In PDB BIRD (PRD_900018) GlyTouCan (G66120GK) | beta-maltose | ||
| 3 | D, F, G (D, F, G) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 3 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 4 | I, K (A, B) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 2 | Chemie (NAG) | |||
| 5 | J, L (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 6 | M, N (A, B) | water | water | 18.0 | 751 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 105051.9 | |
| Branched | Number of molecules | 6 |
| Total formula weight | 2053.8 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 522.6 | |
| All* | Total formula weight | 107628.3 |
