Research workbench
Crystal structure of ferric citrate transporter feca in complex with ferric citrate
Analyse Crystal structure of ferric citrate transporter feca in complex with ferric… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1PO3
- Type
- protein
- Length
- 1,292 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- IRON(III) dicitrate transport protein feca precursor
- UniProt
- P13036
- Ligands
- FE
- Pockets
- 11 · best druggability 0.87
Structure
x-ray diffraction · 2 distinct chains · 5% helix, 54% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | IRON(III) dicitrate transport protein feca precursor | protein | 647 | 5% helix, 54% strand | P13036 |
| B | IRON(III) dicitrate transport protein feca precursor | protein | 645 | 5% helix, 55% strand | P13036 |
Ligands and binding sites
- FE · Fe (III) ion · metal · 4 copies · chains A, B
- FLC · Citrate anion · additive · 4 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
11 pockets found on a 1 Å grid, 9 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1027 | 0.87 | 0.88 | 130 | FLC, FE |
| 2 | 681 | 0.87 | 0.91 | 101 | FLC, FE |
| 3 | 692 | 0.81 | 0.85 | 96 | empty |
| 4 | 607 | 0.80 | 0.86 | 85 | empty |
| 5 | 962 | 0.74 | 0.78 | 81 | empty |
Interfaces
1 interface between chains.
- A–B · 312 Ų buried · 2 hydrogen bonds · protein-protein
Compared structures
- 1PO3 · Crystal structure of ferric citrate transporter FecA in complex with ferric citrate · the same entry in another collection · chain B against B, TM-score 1.00
- P13036 · AlphaFold monomer V2.0 prediction for FE(3+) dicitrate transport protein feca (P13036) · a predicted model of the same protein · chain B against A, TM-score 0.99
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 P13036
- Elsewhere: RCSB PDB 1PO3 · PDBe 1PO3 · UniProt P13036
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