4XRG
Crystal Structure of the Homospermidine Synthase (HSS) variant H296S from Blastochloris viridis in Complex with NAD, Putrescine 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 (A, B) | Homospermidine synthase | polymer | 474 | 52427.8 | 2 | UniProt (O32323) Pfam (PF03435) Pfam (PF16653) | Blastochloris viridis | HSS |
| 2 | C, H (A, B) | NICOTINAMIDE-ADENINE-DINUCLEOTIDE | non-polymer | 663.4 | 2 | Chemie (NAD) | |||
| 3 | D, I (A, B) | AGMATINE | non-polymer | 130.2 | 2 | Chemie (AG2) | |||
| 4 | E, J (A, B) | 1,4-DIAMINOBUTANE | non-polymer | 88.2 | 2 | Chemie (PUT) | |||
| 5 | F, G (A) | 3-PYRIDINIUM-1-YLPROPANE-1-SULFONATE | non-polymer | 201.2 | 2 | Chemie (1PS) | |||
| 6 | K, L (B) | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 7 | M, N (A, B) | water | water | 18.0 | 1150 | 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 | 10 |
| Total formula weight | 2284.1 | |
| All* | Total formula weight | 107139.8 |
