2Q41
Ensemble refinement of the protein crystal structure of spermidine synthase from Arabidopsis thaliana gene At1g23820
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) | Spermidine synthase 1 | polymer | 334 | 36921.4 | 4 | UniProt (Q9ZUB3) Pfam (PF17284) Pfam (PF01564) | Arabidopsis thaliana (thale cress) | Putrescine aminopropyltransferase 1, SPDSY 1 |
2 | E, F, G, H (A, B, C, D) | water | water | 18.0 | 576 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 2 - 334 (UniProt: Q9ZUB3)
PDB | External Database | Details |
---|---|---|
Ser 1 | - | expression tag |
Mse 26 | Met 26 | modified residue |
Mse 51 | Met 51 | modified residue |
Mse 54 | Met 54 | modified residue |
Mse 109 | Met 109 | modified residue |
Mse 149 | Met 149 | modified residue |
Mse 155 | Met 155 | modified residue |
Mse 242 | Met 242 | modified residue |
Mse 278 | Met 278 | modified residue |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 147685.7 | |
All* | Total formula weight | 147685.7 |