1S36
Crystal structure of a Ca2+-discharged photoprotein: Implications for the mechanisms of the calcium trigger and the bioluminescence
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Obelin | polymer | 195 | 22215.9 | 1 | UniProt (Q27709) Pfam (PF13202) Pfam (PF13499) | Obelia longissima | OBL |
| 2 | B (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 3 | C (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 4 | D (A) | N-[3-BENZYL-5-(4-HYDROXYPHENYL)PYRAZIN-2-YL]-2-(4-HYDROXYPHENYL)ACETAMIDE | non-polymer | 411.5 | 1 | Chemie (CEI) | |||
| 5 | E (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 6 | F (A) | water | water | 18.0 | 145 | Chemie (HOH) |
Sequence modifications
A: 1 - 195 (UniProt: Q27709)
| PDB | External Database | Details |
|---|---|---|
| Phe 92 | Trp 92 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 22215.9 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 562.0 | |
| All* | Total formula weight | 22777.9 |
