SMTL ID : 1po3.1 (1 other biounit)

Crystal structure of ferric citrate transporter FecA in complex with ferric citrate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.40 Å

Oligo State

monomer

Ligands

2 x FLC: CITRATE ANION(Non-covalent)

FLC.1: 12 residues within 4Å: Chain A: T.148, R.375, Q.381, R.390, R.429, R.448, Q.580, D.583, N.731 Ligands: FLC.2, FE.3, FE.4 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:T.148, A:Q.381, A:R.390, A:R.390, A:D.583, A:N.731 Salt bridges: A:R.375, A:R.390, A:R.429, A:R.448 FLC.2: 11 residues within 4Å: Chain A: Q.186, Q.188, S.190, R.375, R.390, S.531, S.578, Q.580 Ligands: FLC.1, FE.3, FE.4 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:Q.188 Hydrogen bonds: A:S.190, A:S.531 Salt bridges: A:R.375, A:R.390, A:R.390

2 x FE: FE (III) ION(Non-covalent)

FE.3: 5 residues within 4Å: Chain A: R.390, Q.580 Ligands: FLC.1, FLC.2, FE.4 No protein-ligand interaction detected (PLIP) FE.4: 4 residues within 4Å: Chain A: Q.580 Ligands: FLC.1, FLC.2, FE.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yue, W.W. et al., Structural evidence for iron-free citrate and ferric citrate binding to the TonB-dependent outer membrane transporter FecA. J.Mol.Biol. (2003)

Release Date

2003-11-18

Peptides

Iron(III) dicitrate transport protein fecA precursor: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Membrane

We predict this structure to be a membrane protein.
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Iron(III) dicitrate transport protein fecA precursor

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