4E3Y
X-ray structure of the Serratia marcescens endonuclease at 0.95 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Nuclease | polymer | 245 | 26738.9 | 2 | UniProt (P13717) Pfam (PF01223) | Serratia marcescens | Endonuclease, Nuclease isoform Sm2, Nuclease isoform Sm3, Nuclease isoform Sm1 |
| 2 | C, F (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | D, J (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 4 | E (A) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 5 | G, H (B) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 6 | I (B) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 7 | K, L (A, B) | water | water | 18.0 | 685 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 53477.8 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 563.1 | |
| All* | Total formula weight | 54040.9 |
