3IJ9
Directed 'in situ' Elongation as a Strategy to Characterize the Covalent Glycosyl-Enzyme Catalytic Intermediate of Human Pancreatic a-Amylase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Pancreatic alpha-amylase | polymer | 496 | 55931.3 | 1 | UniProt (P04746) Pfam (PF00128) Pfam (PF02806) | Homo sapiens (human) | PA, 1,4-alpha-D-glucan glucanohydrolase |
| 2 | B (B) | beta-D-glucopyranose-(1-2)-5-fluoro-alpha-L-idopyranose | branched | 360.3 | 1 | In PDB GlyTouCan (G46402OO) | |||
| 3 | C, D (A) | (2R,3S,4R,5R,6R)-2,6-difluoro-2-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol | non-polymer | 200.1 | 2 | Chemie (B0D) | |||
| 4 | E (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | F (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 6 | G (A) | water | water | 18.0 | 307 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55931.3 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 360.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 475.8 | |
| All* | Total formula weight | 56767.4 |
