1CPU
SUBSITE MAPPING OF THE ACTIVE SITE OF HUMAN PANCREATIC ALPHA-AMYLASE USING SUBSTRATES, THE PHARMACOLOGICAL INHIBITOR ACARBOSE, AND AN ACTIVE SITE VARIANT
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PROTEIN (ALPHA-AMYLASE) | polymer | 496 | 55931.3 | 1 | UniProt (P04746) Pfam (PF00128) Pfam (PF02806) | Homo sapiens (human) | |
| 2 | B (B) | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 325.3 | 1 | In PDB GlyTouCan (G90989WB) | |||
| 3 | C (C) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 4 | D (A) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 1 | Chemie (NAG) | |||
| 5 | E (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 6 | F (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 7 | G (A) | 5-HYDROXYMETHYL-CHONDURITOL | non-polymer | 176.2 | 1 | Chemie (HMC) | |||
| 8 | H (A) | water | water | 18.0 | 261 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55931.3 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 667.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 472.9 | |
| All* | Total formula weight | 57071.8 |
