1PJT
The structure of the Ser128Ala point-mutant variant of CysG, the multifunctional methyltransferase/dehydrogenase/ferrochelatase for siroheme synthesis
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) | Siroheme synthase | polymer | 457 | 50190.5 | 2 | UniProt (P25924) Pfam (PF13241) Pfam (PF14824) Pfam (PF10414) Pfam (PF00590) | Salmonella typhimurium | CysG |
| 2 | C, E (A, B) | S-ADENOSYL-L-HOMOCYSTEINE | non-polymer | 384.4 | 2 | Chemie (SAH) PubChem (16760024) | |||
| 3 | D (B) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) PubChem (1061) | |||
| 4 | F, G (A, B) | water | water | 18.0 | 130 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 457 (UniProt: P25924)
| PDB | External Database | Details |
|---|---|---|
| Ala 128 | Ser 128 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 100381.0 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 863.8 | |
| All* | Total formula weight | 101244.8 |
