1WPC
Crystal structure of maltohexaose-producing amylase complexed with pseudo-maltononaose
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) | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 634.6 | 1 | In PDB GlyTouCan (G32625CE) | |||
| 3 | C (C) | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-galactopyranose | branched | 472.4 | 1 | In PDB GlyTouCan (G86483SM) | |||
| 4 | D, E (D, E) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 2 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 5 | F, G (A) | 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL | non-polymer | 175.2 | 2 | Chemie (ACI) | |||
| 6 | H, I, J (A) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 7 | K (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 8 | L (A) | water | water | 18.0 | 324 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55438.9 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 1791.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 493.6 | |
| All* | Total formula weight | 57724.1 |
