Comparison of the crystal structures of a flavodoxin in its three oxidation states at cryogenic temperatures. Determined by X-ray diffraction at 1.9 Å resolution. Released 31 Oct 1993.
Explore 2FX2 in 3D Show helices and sheets RCSB PDB PDBe
2FX2 contains 9 α-helices and 8 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 3-9 | 7 | 1 |
| α-helix | 14-28 | 15 | |
| β-strand | 32-37 | 6 | 1 |
| α-helix | 38-40 | 3 | |
| β-strand | 52-57 | 6 | 1 |
| β-strand | 59-60 | 2 | 2 |
| β-strand | 66-67 | 2 | 2 |
| α-helix | 69-71 | 3 | |
| α-helix | 72-76 | 5 | |
| α-helix | 78-80 | 3 | |
| β-strand | 87-94 | 8 | 1 |
| α-helix | 103-115 | 13 | |
| β-strand | 118-119 | 2 | 1 |
| α-helix | 122-123 | 2 | |
| β-strand | 124-127 | 4 | 1 |
| α-helix | 130-132 | 3 | |
| α-helix | 134-145 | 12 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Flavodoxin | A | protein | 147 | Desulfovibrio vulgaris | P00323 (AlphaFold model) |
>2FX2_1 FLAVODOXIN (chains A) AKALIVYGSTTGNTEYTAETIARELADAGYEVDSRDAASVEAGGLFEGFDLVLLGCSTWG DDSIELQDDFIPLFDSLEETGAQGRKVACFGCGDSSYEYFCGAVDAIEEKLKNLGAEIVQ DGLRIDGDPRAARDDIVGWAHDVRGAI
| ID | Name | Formula | Copies |
|---|---|---|---|
| FMN | Flavin mononucleotide | C17 H21 N4 O9 P | 1 |
Comparison of the crystal structures of a flavodoxin in its three oxidation states at cryogenic temperatures. Watt, W., Tulinsky, A., Swenson, R.P. et al. J Mol Biol (1991) 218:195-208. DOI 10.1016/0022-2836(91)90884-9 · PubMed
Other PDB entries of the same protein (UniProt P00323 (AlphaFold model), which also has an AlphaFold model), best resolution first:
MolViewer shows 2FX2 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.