2GJP
Structure of Bacillus halmapalus alpha-amylase, crystallized with the substrate analogue acarbose and maltose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | alpha-amylase | polymer | 485 | 55741.2 | 1 | UniProt (P19571) Pfam (PF00128) Pfam (PF09154) In PDB | Bacillus halmapalus | |
| 2 | B | 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 639.6 | 1 | ||||
| 3 | C | 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 801.7 | 1 | ||||
| 4 | D | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | BIRD (PRD_900001) | alpha-maltose | ||
| 5 | A | alpha-D-glucopyranose | non-polymer | 180.2 | 2 | Chemie (GLC) | |||
| 6 | A | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 7 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 8 | water | water | 18.0 | 215 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55741.2 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1783.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 503.5 | |
| All* | Total formula weight | 58028.3 |
