1WO2
Crystal structure of the pig pancreatic alpha-amylase complexed with malto-oligosaacharides under the effect of the chloride ion
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, pancreatic | polymer | 496 | 55472.8 | 1 | UniProt (P00690) Pfam (PF00128) Pfam (PF02806) In PDB | Sus scrofa (pig) | 1,4-alpha-D-glucan glucanohydrolase |
| 2 | B, C | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 504.4 | 2 | In PDB BIRD (PRD_900065) GlyTouCan (G00395FS) | beta-maltotriose | ||
| 3 | D | alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900018) GlyTouCan (G66120GK) | beta-maltose | ||
| 4 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 5 | A | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 6 | A | 1,2-ETHANEDIOL | non-polymer | 62.1 | 6 | Chemie (EDO) | |||
| 7 | water | water | 18.0 | 749 | Chemie (HOH) |
Sequence modifications
A: 1 - 496 (UniProt: P00690)
| PDB | External Database | Details |
|---|---|---|
| Lys 243 | Gln 258 | SEE REMARK 999 |
| Ser 310 | Ala 325 | SEE REMARK 999 |
| Ile 323 | Val 338 | SEE REMARK 999 |
| Glu 352 | Gln 367 | SEE REMARK 999 |
| Glu 390 | Gln 405 | SEE REMARK 999 |
| Asp 411 | Ala 426 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 55472.8 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1351.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 447.9 | |
| All* | Total formula weight | 57271.9 |
