Crystal structure of ribonucleotide reductase NrdF from Bacillus anthracis anaerobically soaked with Fe(II) and Mn(II) ions

2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

The Bacillus anthracis class Ib ribonucleotide reductase subunit NrdF intrinsically selects manganese over iron.

Ribonucleoside-diphosphate reductase subunit beta

MRAVNWNKKEDDFSLMFWKQNIAQFWTEEEIAVSSDKNTWVQLSKEEQIAYKRVLGGLTLLDTKQGGEGMPLVLVHLENL
QAKSVLAFMGAMEEVHAKSYSHIFTTLATEEEIDEIFDWVDTHPLLEKKAGIITSYYRRLLKPEVTKKELYMAMVASVFL
ESYLFYSGFFYPLYLAGQGKLTASGEIINLIIRDESIHGVFVGILAQQIFAELSAEDQQEVQKETQELLMELYEIEMAYT
EEIYTSIGLVEDVNRFVRYNANKGLMNLGLEPKFEEEEINPIVLNGLRTDTKNHDFFSVKGNGYVKATNVEKLSDDDFVF
NF

1.8 - 2.0 M ammonium sulphate, 0.1 M Bis-Tris methane, pH 6.5

Metal binding; Oxidation reduction process; 2'-Deoxyribonucleotide metabolism; DNA replication, Oxidoreductase