1.600 Å
X-ray
2002-12-11
| Name: | Electron transfer flavoprotein subunit alpha |
|---|---|
| ID: | ETFA_METME |
| AC: | P53571 |
| Organism: | Methylophilus methylotrophus |
| Reign: | Bacteria |
| TaxID: | 17 |
| EC Number: | / |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| C | 16 % |
| D | 84 % |
| B-Factor: | 19.490 |
|---|---|
| Number of residues: | 51 |
| Including | |
| Standard Amino Acids: | 49 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 2 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.889 | 1670.625 |
| % Hydrophobic | % Polar |
|---|---|
| 44.85 | 55.15 |
| According to VolSite | |

| HET Code: | FAD |
|---|---|
| Formula: | C27H31N9O15P2 |
| Molecular weight: | 783.534 g/mol |
| DrugBank ID: | DB03147 |
| Buried Surface Area: | 68.53 % |
| Polar Surface area: | 381.7 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 22 |
| H-Bond Donors: | 7 |
| Rings: | 6 |
| Aromatic rings: | 3 |
| Anionic atoms: | 2 |
| Cationic atoms: | 0 |
| Rule of Five Violation: | 3 |
| Rotatable Bonds: | 13 |
| X | Y | Z |
|---|---|---|
| 72.7269 | 57.3688 | -13.0002 |
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 |
| C8M | CZ2 | TRP- 38 | 3.65 | 0 | Hydrophobic |
| C8M | CG1 | VAL- 120 | 4.36 | 0 | Hydrophobic |
| C8M | CG | GLN- 121 | 4.28 | 0 | Hydrophobic |
| C9 | CD1 | LEU- 184 | 4.48 | 0 | Hydrophobic |
| C1' | CD1 | LEU- 184 | 3.88 | 0 | Hydrophobic |
| O1A | NE | ARG- 210 | 2.9 | 167.11 | H-Bond (Protein Donor) |
| O2P | N | ARG- 210 | 2.89 | 167.85 | H-Bond (Protein Donor) |
| O1A | CZ | ARG- 210 | 3.77 | 0 | Ionic (Protein Cationic) |
| C5B | CB | ARG- 210 | 3.97 | 0 | Hydrophobic |
| O2P | OG | SER- 235 | 2.63 | 165.44 | H-Bond (Protein Donor) |
| O2 | N | ARG- 236 | 2.88 | 160.09 | H-Bond (Protein Donor) |
| C9A | CD | ARG- 236 | 4.24 | 0 | Hydrophobic |
| C1' | CD | ARG- 236 | 3.73 | 0 | Hydrophobic |
| C5' | CG | PRO- 237 | 4.09 | 0 | Hydrophobic |
| O4 | NE2 | GLN- 249 | 2.74 | 140.73 | H-Bond (Protein Donor) |
| N3 | O | VAL- 250 | 2.79 | 158.27 | H-Bond (Ligand Donor) |
| O4 | N | SER- 253 | 2.96 | 145.08 | H-Bond (Protein Donor) |
| N5 | OG | SER- 253 | 2.93 | 152.23 | H-Bond (Protein Donor) |
| C6 | CB | SER- 253 | 4.33 | 0 | Hydrophobic |
| O2A | OG | SER- 269 | 2.68 | 161.16 | H-Bond (Protein Donor) |
| O1P | N | SER- 269 | 2.73 | 154.89 | H-Bond (Protein Donor) |
| C3B | CB | SER- 269 | 4.06 | 0 | Hydrophobic |
| O4' | OG | SER- 271 | 2.66 | 158.52 | H-Bond (Protein Donor) |
| C2' | CB | SER- 271 | 3.8 | 0 | Hydrophobic |
| C9A | CB | GLN- 273 | 3.35 | 0 | Hydrophobic |
| C9 | CG | GLN- 273 | 3.59 | 0 | Hydrophobic |
| O3B | ND2 | ASN- 288 | 2.81 | 163.87 | H-Bond (Protein Donor) |
| O2B | OD1 | ASN- 288 | 2.81 | 158.51 | H-Bond (Ligand Donor) |
| N3A | N | THR- 289 | 3.21 | 157.66 | H-Bond (Protein Donor) |
| N6A | OD2 | ASP- 306 | 2.93 | 156.72 | H-Bond (Ligand Donor) |
| N1A | N | ILE- 307 | 3 | 157.53 | H-Bond (Protein Donor) |
| O3' | O | HOH- 2050 | 2.84 | 179.96 | H-Bond (Protein Donor) |