3BC9
Alpha-amylase B in complex with acarbose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Alpha amylase, catalytic region | polymer | 599 | 68580.9 | 1 | UniProt (Q2ADF2) Pfam (PF00128) Pfam (PF09154) UniProt (by SIFTS) (B8CZ54) | Halothermothrix orenii | amyb |
| 2 | B (B) | alpha-D-quinovopyranose-(1-4)-alpha-D-glucopyranose | branched | 326.3 | 1 | In PDB GlyTouCan (G96906VH) | |||
| 3 | C (C) | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose | branched | 310.3 | 1 | In PDB GlyTouCan (G59234JH) | |||
| 4 | D (D) | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 472.4 | 1 | In PDB GlyTouCan (G49155NG) | |||
| 5 | E (E) | 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 645.6 | 1 | In PDB BIRD (PRD_900007) GlyTouCan (G66431MI) | alpha-acarbose | ||
| 6 | F, G, H, J (A) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 7 | I (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 8 | K, L (A) | 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL | non-polymer | 175.2 | 2 | Chemie (ACI) | |||
| 9 | M, N (A) | alpha-D-glucopyranose | non-polymer | 180.2 | 2 | Chemie (GLC) | |||
| 10 | O (A) | water | water | 18.0 | 574 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 68580.9 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 1754.6 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 894.0 | |
| All* | Total formula weight | 71229.5 |
