4XQE
Crystal Structure of the Homospermidine Synthase (HSS) variant H296S from Blastochloris viridis in Complex with NAD and Agmatine
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Homospermidine synthase | polymer | 474 | 52427.8 | 2 | UniProt (O32323) Pfam (PF03435) Pfam (PF16653) In PDB | Blastochloris viridis | HSS |
| 2 | A, B | NICOTINAMIDE-ADENINE-DINUCLEOTIDE | non-polymer | 663.4 | 2 | Chemie (NAD) | |||
| 3 | A, B | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
| 4 | A, B | 3-PYRIDINIUM-1-YLPROPANE-1-SULFONATE | non-polymer | 201.2 | 3 | Chemie (1PS) | |||
| 5 | A, B | AGMATINE | non-polymer | 130.2 | 4 | Chemie (AG2) | |||
| 6 | A, B | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 7 | water | water | 18.0 | 1086 | Chemie (HOH) |
Sequence modifications
A, B: 3 - 476 (UniProt: O32323)
| PDB | External Database | Details |
|---|---|---|
| Ser 296 | His 296 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 104855.6 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 2953.7 | |
| All* | Total formula weight | 107809.3 |
