2D3L
Crystal structure of maltohexaose-producing amylase from Bacillus sp.707 complexed with maltopentaose.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Glucan 1,4-alpha-maltohexaosidase | polymer | 485 | 55438.9 | 1 | UniProt (P19571) Pfam (PF00128) Pfam (PF09154) | Bacillus sp. | G6-amylase, Maltohexaose-producing amylase, Exo-maltohexaohydrolase |
| 2 | B (B) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 828.7 | 1 | In PDB BIRD (PRD_900030) GlyTouCan (G50146AM) | alpha-maltopentaose | ||
| 3 | C (C) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB BIRD (PRD_900009) GlyTouCan (G96370VA) | alpha-maltotriose | ||
| 4 | D, E (A) | alpha-D-glucopyranose | non-polymer | 180.2 | 2 | Chemie (GLC) | |||
| 5 | F, G, H (A) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 6 | I (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 7 | J (A) | water | water | 18.0 | 238 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55438.9 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1333.2 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 503.5 | |
| All* | Total formula weight | 57275.6 |
