ISDA

Deposition Date 2016-11-03

Release Date 2017-12-20

Last Version Date 2024-10-16

Entry Detail

PDB ID:

5MAB

Keywords:

ELECTRON TRANSPORT

Title:

FoxE P3121 crystal structure of Rhodopseudomonas ferrooxidans SW2 putative iron oxidase

Biological Source:

Source Organism:

Rhodobacter sp. SW2 (Taxon ID: 371731)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.44 Å

R-Value Free:

0.16

R-Value Work:

0.16

R-Value Observed:

0.16

Space Group:

P 31 2 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:FoxE
Gene (Uniprot):foxE
Chain IDs:A, B, C
Chain Length:291
Number of Molecules:3
Biological Source:Rhodobacter sp. SW2

UniProt ID:A3DTD8

Ligand Molecules

HEC

PO4

Primary Citation

Crystallization and preliminary crystallographic studies of FoxE from Rhodobacter ferrooxidans SW2, an Fe(II) oxidoreductase involved in photoferrotrophy.

Pereira, L, Saraiva, I.H, Coelho, R, Newman, D.K, Louro, R.O, Frazao, C, Saraiva, I.H, Newman, D.K, Louro, R.O, Pereira, L, Saraiva, I.H, Coelho, R.Show

Acta Crystallogr. Sect. F Struct. Biol. Cryst. Commun. 68 1106 1108 (2012)

PMID: 22949206 DOI: 10.1107/S174430911203271X

Abstact

FoxE is a protein encoded by the foxEYZ operon of Rhodobacter ferrooxidans SW2 that is involved in Fe(II)-based anoxygenic photosynthesis (`photoferrotrophy'). It is thought to reside in the periplasm, where it stimulates light-dependent Fe(II) oxidation. It contains 259 residues, including two haem c-binding motifs. As no three-dimensional model is available and there is no structure with a similar sequence, crystals of FoxE were produced. They diffracted to 2.44 Å resolution using synchrotron radiation at the Fe edge. The phase problem was solved by SAD using SHELXC/D/E and the experimental maps confirmed the presence of two haems per molecule.

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