2.500 Å
X-ray
2008-10-24
| Name: | Spermidine N(1)-acetyltransferase |
|---|---|
| ID: | PAIA_THEAC |
| AC: | Q9HL57 |
| Organism: | Thermoplasma acidophilum |
| Reign: | Archaea |
| TaxID: | 273075 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 23.661 |
|---|---|
| Number of residues: | 39 |
| Including | |
| Standard Amino Acids: | 38 |
| Non Standard Amino Acids: | 1 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | CL |
| Ligandability | Volume (Å3) |
|---|---|
| 0.941 | 519.750 |
| % Hydrophobic | % Polar |
|---|---|
| 61.69 | 38.31 |
| According to VolSite | |

| HET Code: | ACO |
|---|---|
| Formula: | C23H34N7O17P3S |
| Molecular weight: | 805.539 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 66.08 % |
| Polar Surface area: | 429.68 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 22 |
| H-Bond Donors: | 5 |
| Rings: | 3 |
| Aromatic rings: | 2 |
| Anionic atoms: | 4 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 2 |
| Rotatable Bonds: | 20 |
| X | Y | Z |
|---|---|---|
| 13.8651 | -4.44786 | -19.3138 |
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 |
| C6P | CG2 | THR- 27 | 3.85 | 0 | Hydrophobic |
| CH3 | CD2 | LEU- 89 | 4.16 | 0 | Hydrophobic |
| CEP | CG | LEU- 92 | 3.56 | 0 | Hydrophobic |
| N4P | O | LEU- 92 | 2.78 | 144.98 | H-Bond (Ligand Donor) |
| O | N | LEU- 92 | 3.1 | 129.91 | H-Bond (Protein Donor) |
| C6P | CD1 | TYR- 93 | 3.54 | 0 | Hydrophobic |
| C2P | CZ | TYR- 93 | 3.67 | 0 | Hydrophobic |
| CEP | CG | LEU- 94 | 4.2 | 0 | Hydrophobic |
| CAP | CD1 | LEU- 94 | 4.2 | 0 | Hydrophobic |
| O9P | N | LEU- 94 | 3.04 | 143 | H-Bond (Protein Donor) |
| N6A | OG1 | THR- 99 | 3.01 | 152.49 | H-Bond (Ligand Donor) |
| CAP | CG2 | THR- 99 | 3.88 | 0 | Hydrophobic |
| O4A | N | HIS- 100 | 2.72 | 172.62 | H-Bond (Protein Donor) |
| O1A | N | LYS- 102 | 2.79 | 142.02 | H-Bond (Protein Donor) |
| O5A | N | GLY- 104 | 2.64 | 159.82 | H-Bond (Protein Donor) |
| O2A | N | LYS- 105 | 3.44 | 140.81 | H-Bond (Protein Donor) |
| CH3 | CB | LEU- 125 | 4.17 | 0 | Hydrophobic |
| S1P | CG2 | VAL- 127 | 4.13 | 0 | Hydrophobic |
| O5P | ND2 | ASN- 131 | 2.78 | 171.71 | H-Bond (Protein Donor) |
| CDP | CG1 | VAL- 133 | 4.46 | 0 | Hydrophobic |
| O2B | OG | SER- 136 | 2.7 | 160.16 | H-Bond (Ligand Donor) |
| C1B | CB | PHE- 137 | 4.08 | 0 | Hydrophobic |
| C4B | CD2 | PHE- 137 | 4.39 | 0 | Hydrophobic |
| CDP | CB | PHE- 137 | 4.02 | 0 | Hydrophobic |
| CCP | CG | PHE- 137 | 3.45 | 0 | Hydrophobic |
| S1P | CE2 | TYR- 138 | 3.96 | 0 | Hydrophobic |
| CH3 | CZ | TYR- 138 | 4.16 | 0 | Hydrophobic |
| O | OH | TYR- 138 | 3.46 | 139.5 | H-Bond (Protein Donor) |
| O2B | NZ | LYS- 140 | 2.97 | 153.05 | H-Bond (Protein Donor) |
| O3B | NZ | LYS- 140 | 3.06 | 127.45 | H-Bond (Protein Donor) |
| O9A | NZ | LYS- 140 | 2.58 | 134.19 | H-Bond (Protein Donor) |
| C3B | CD | LYS- 140 | 4.5 | 0 | Hydrophobic |
| O8A | NZ | LYS- 140 | 3.88 | 0 | Ionic (Protein Cationic) |
| O9A | NZ | LYS- 140 | 2.58 | 0 | Ionic (Protein Cationic) |