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) PubChem (193) PubChem (25210495) PubChem (13792) PubChem (177678424) PubChem (44361184) PubChem (21125603) PubChem (46936206) PubChem (50989525) PubChem (25203782) PubChem (51380914) PubChem (52224398) PubChem (189149) PubChem (57544532) PubChem (439155) PubChem (59046843) PubChem (59170628) PubChem (59576228) PubChem (66805708) PubChem (70689219) PubChem (70702054) PubChem (70832431) PubChem (52224400) PubChem (5284331) PubChem (6419189) PubChem (118374891) PubChem (118560068) PubChem (71170554) PubChem (13231890) PubChem (164157219) PubChem (126969526) PubChem (129105892) PubChem (143518505) PubChem (154578335) PubChem (163054214) PubChem (163335525) | |||
| 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 |
