1KA1
The PAPase Hal2p complexed with calcium and magnesium ions and reaction substrate: PAP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Halotolerance protein HAL2 | polymer | 357 | 39199.2 | 1 | UniProt (P32179) Pfam (PF00459) | Saccharomyces cerevisiae (baker's yeast) | HAL2p, 3'(2'),5'-Bisphosphate nucleotidase, Phosphoadenylate 3'-nucleotidase, 3'-Phosphoadenylylsulfate 3'-phosphatase |
| 2 | B (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | C (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | D (A) | ADENOSINE-3'-5'-DIPHOSPHATE | non-polymer | 427.2 | 1 | Chemie (A3P) | |||
| 5 | E (A) | BETA-MERCAPTOETHANOL | non-polymer | 78.1 | 1 | Chemie (BME) | |||
| 6 | F (A) | water | water | 18.0 | 446 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 39199.2 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 569.7 | |
| All* | Total formula weight | 39768.9 |
