2BHT
Crystal structure of O-acetylserine sulfhydrylase B
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | CYSTEINE SYNTHASE B | polymer | 303 | 32665.1 | 4 | UniProt (P16703) Pfam (PF00291) | ESCHERICHIA COLI | O-ACETYLSERINE SULFHYDRYLASE B, O-ACETYLSERINE (THIOL)-LYASE B, CSASE B, O-ACETYLSERINE SULFHYDRYLASE B |
| 2 | E, F, G, H (A, B, C, D) | PYRIDOXAL-5'-PHOSPHATE | non-polymer | 247.1 | 4 | Chemie (PLP) | |||
| 3 | I, J, K, L (A, B, C, D) | water | water | 18.0 | 223 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 303 (UniProt: P16703)
| PDB | External Database | Details |
|---|---|---|
| Arg 57 | Glu 57 | engineered mutation |
| Lys 148 | Tyr 148 | engineered mutation |
| Glu 184 | Arg 184 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 130660.4 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 988.6 | |
| All* | Total formula weight | 131649.0 |
