7TXK
Crystal structure of EgtU solute binding domain from Streptococcus pneumoniae D39 in complex with L-ergothioneine
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) | Choline transporter (Glycine betaine transport system permease protein) | polymer | 274 | 30728.9 | 2 | UniProt (A0A0H2ZQB9) Pfam (PF04069) | Streptococcus pneumoniae D39 | |
| 2 | C, H (A, B) | trimethyl-[(2S)-1-oxidanyl-1-oxidanylidene-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propan-2-yl]azanium | non-polymer | 230.3 | 2 | Chemie (LW8) | |||
| 3 | D (A) | TRIS-HYDROXYMETHYL-METHYL-AMMONIUM | non-polymer | 122.1 | 1 | Chemie (144) | |||
| 4 | E, F, G, J, K (A, B) | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
| 5 | I (B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
| 6 | L, M (A, B) | water | water | 18.0 | 539 | Chemie (HOH) |
Sequence modifications
A, B: 233 - 501 (UniProt: A0A0H2ZQB9)
| PDB | External Database | Details |
|---|---|---|
| Ser 230 | - | expression tag |
| His 231 | - | expression tag |
| Met 232 | - | expression tag |
| Val 502 | - | expression tag |
| Cys 503 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 61457.8 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 1125.1 | |
| All* | Total formula weight | 62582.9 |
