3IJ7
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) | 4-O-methyl-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-2)-5-fluoro-alpha-L-idopyranose | branched | 536.5 | 1 | In PDB GlyTouCan (G84544AE) | |||
| 3 | C (C) | 4-O-methyl-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranosyl fluoride | branched | 358.3 | 1 | In PDB GlyTouCan (G45362RW) | |||
| 4 | D (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | E (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 6 | F (A) | water | water | 18.0 | 232 | 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 | 894.8 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 75.5 | |
| All* | Total formula weight | 56901.6 |
