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 | Choline transporter (Glycine betaine transport system permease protein) | polymer | 274 | 30728.9 | 2 | UniProt (A0A0H2ZQB9) Pfam (PF04069) In PDB | Streptococcus pneumoniae D39 | |
2 | 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 | A | TRIS-HYDROXYMETHYL-METHYL-AMMONIUM | non-polymer | 122.1 | 1 | Chemie (144) | |||
4 | A, B | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
5 | B | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
6 | 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 |