4KR6
Crystal structure of a 4-thiouridine synthetase - RNA complex
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) | Probable tRNA sulfurtransferase | polymer | 388 | 44193.1 | 2 | UniProt (Q9X220) Pfam (PF22025) Pfam (PF02926) Pfam (PF02568) | Thermotoga maritima | Sulfur carrier protein ThiS sulfurtransferase, Thiamine biosynthesis protein ThiI, tRNA 4-thiouridine synthase |
| 2 | C, D (C, D) | RNA (39-MER) | polymer | 39 | 12559.5 | 2 | |||
| 3 | E, F, G, H (A, B) | MERCURY (II) ION | non-polymer | 200.6 | 4 | Chemie (HG) | |||
| 4 | I, J, K (A, B, C) | water | water | 18.0 | 75 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 388 (UniProt: Q9X220)
| PDB | External Database | Details |
|---|---|---|
| Glu 2 | Lys 2 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 113505.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 802.4 | |
| All* | Total formula weight | 114307.6 |
