MolNFT v1 · #115910 · protein
Crystal structure of the cyanobacterial plasma membrane rieske protein PETC3 from synechocystis pcc 6803
5CXM · Cytochrome B6/F complex iron-sulfur subunit: “Crystal structure of the cyanobacterial plasma membrane rieske protein PETC3 from synechocystis pcc 6803”. X-ray diffraction, 3 ligands (FES, NI, SO4), 1 pocket (best druggability 0.52).…
- PDB
- 5CXM
- Type
- protein
- Length
- 396 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Cytochrome B6/F complex iron-sulfur subunit
- UniProt
- P74174
- Ligands
- FES, NI, SO4
- Pockets
- 1 · best druggability 0.52
Structure
x-ray diffraction · 1 distinct chain · 10% helix, 45% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B, C, D | Cytochrome B6/F complex iron-sulfur subunit | protein | 99 | 10% helix, 45% strand | P74174 |
Ligands and binding sites
- FES · Fe2/s2 (inorganic) cluster · ligand · 4 copies · chains A, B, C, D
- NI · Nickel (II) ion · metal · 4 copies · chains A, B, C, D
- SO4 · Sulfate ion · ion · chains D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
1 pocket found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 298 | 0.52 | 0.74 | 33 | empty |
Interfaces
3 interfaces between chains.
- B–C · 195 Ų buried · 1 hydrogen bond · protein-protein
- C–D · 158 Ų buried · 2 hydrogen bonds · protein-protein
- A–B · 151 Ų buried · 2 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide (disulfide).
Compared structures
- 5CXM · Crystal structure of the cyanobacterial plasma membrane Rieske protein PetC3 from… · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P74174
- Elsewhere: RCSB PDB 5CXM · PDBe 5CXM · UniProt P74174
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