2.000 Å
X-ray
2006-11-27
| Name: | Spermidine synthase |
|---|---|
| ID: | SPEE_HUMAN |
| AC: | P19623 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 2.5.1.16 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 20.796 |
|---|---|
| Number of residues: | 38 |
| Including | |
| Standard Amino Acids: | 34 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 4 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.394 | 334.125 |
| % Hydrophobic | % Polar |
|---|---|
| 46.46 | 53.54 |
| According to VolSite | |

| HET Code: | MTA |
|---|---|
| Formula: | C11H15N5O3S |
| Molecular weight: | 297.333 g/mol |
| DrugBank ID: | DB02282 |
| Buried Surface Area: | 80.92 % |
| Polar Surface area: | 144.61 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 8 |
| H-Bond Donors: | 3 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 0 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 3 |
| X | Y | Z |
|---|---|---|
| 8.20325 | 20.7451 | 8.9494 |
Image generated by PoseView
Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand
| Ligand | Protein | Interaction | |||
|---|---|---|---|---|---|
| Atom | Atom | Residue | Distance (Å) | Angle (°) | Type |
| O2' | NE2 | GLN- 49 | 2.85 | 154.53 | H-Bond (Protein Donor) |
| CS | CD2 | LEU- 63 | 4.07 | 0 | Hydrophobic |
| CS | CD1 | LEU- 65 | 4.12 | 0 | Hydrophobic |
| C3' | CD1 | LEU- 65 | 3.63 | 0 | Hydrophobic |
| CS | CB | GLN- 70 | 4.01 | 0 | Hydrophobic |
| O2' | OE2 | GLU- 124 | 2.69 | 167.21 | H-Bond (Ligand Donor) |
| O3' | OE2 | GLU- 124 | 3.21 | 135.26 | H-Bond (Ligand Donor) |
| O3' | OE1 | GLU- 124 | 2.75 | 163.98 | H-Bond (Ligand Donor) |
| C1' | CG2 | ILE- 125 | 4.35 | 0 | Hydrophobic |
| N3 | N | ILE- 125 | 3.3 | 152.7 | H-Bond (Protein Donor) |
| N6 | OD1 | ASP- 155 | 2.7 | 158.78 | H-Bond (Ligand Donor) |
| N1 | N | GLY- 156 | 2.83 | 171.42 | H-Bond (Protein Donor) |
| N6 | O | PRO- 180 | 2.99 | 175.12 | H-Bond (Ligand Donor) |