2E9B
Crystal structure of pullulanase type I from Bacillus subtilis str. 168 complexed with maltose
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) | AmyX protein | polymer | 718 | 81206.7 | 2 | UniProt (O34587) Pfam (PF17999) Pfam (PF02922) Pfam (PF00128) Pfam (PF21653) UniProt (by SIFTS) (C0SPA0) | Bacillus subtilis | Pullulanase |
| 2 | 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 | ||
| 3 | D (D) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 4 | E (E) | beta-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB GlyTouCan (G34751SB) | |||
| 5 | F, J (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 6 | G, H, K (A, B) | ACETATE ION | non-polymer | 59.0 | 3 | Chemie (ACT) | |||
| 7 | I, L (A, B) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 8 | M, N (A, B) | water | water | 18.0 | 496 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 718 (UniProt: O34587)
| PDB | External Database | Details |
|---|---|---|
| Lys 365 | Met 365 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 162413.4 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1351.2 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 441.5 | |
| All* | Total formula weight | 164206.1 |
