Magnesium in PDB 1zn2: Low Resolution Structure of Response Regulator Styr

The structure of Low Resolution Structure of Response Regulator Styr, PDB code: 1zn2 was solved by M.Milani, L.Leoni, G.Rampioni, E.Zennaro, P.Ascenzi, M.Bolognesi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.30 / 2.91
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	41.660, 36.546, 75.120, 90.00, 100.32, 90.00
R / Rfree (%)	26.5 / 35.2

The binding sites of Magnesium atom in the Low Resolution Structure of Response Regulator Styr (pdb code 1zn2). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Low Resolution Structure of Response Regulator Styr, PDB code: 1zn2:

Magnesium binding site 1 out of 1 in the Low Resolution Structure of Response Regulator Styr


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Low Resolution Structure of Response Regulator Styr within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg209 b:40.5 occ:1.00 OD2 A:ASP12 2.0 35.6 1.0 OD2 A:ASP55 2.2 31.2 1.0 O A:ARG57 2.7 29.1 1.0 CG A:ASP12 3.1 33.7 1.0 CG A:ASP55 3.3 28.3 1.0 OD1 A:ASP12 3.5 36.0 1.0 OD1 A:ASP55 3.7 30.6 1.0 OD1 A:ASP11 3.8 31.2 1.0 C A:ARG57 3.9 28.8 1.0 NZ A:LYS105 4.3 54.2 1.0 CB A:ASP12 4.4 32.3 1.0 N A:ASP12 4.5 30.8 1.0 CG A:MET58 4.5 26.6 1.0 CB A:ASP55 4.6 26.3 1.0 CG A:ASP11 4.7 29.0 1.0 N A:MET58 4.8 28.2 1.0 CA A:MET58 4.8 26.9 1.0 CA A:ARG57 4.8 29.2 1.0 CB A:ARG57 4.9 29.4 1.0 N A:ASP13 4.9 34.2 1.0 CA A:ASP12 5.0 32.4 1.0 OD2 A:ASP11 5.0 31.4 1.0

M.Milani, L.Leoni, G.Rampioni, E.Zennaro, P.Ascenzi, M.Bolognesi. An Active-Like Structure in the Unphosphorylated Styr Response Regulator Suggests A Phosphorylation- Dependent Allosteric Activation Mechanism. Structure V. 13 1289 2005.
ISSN: ISSN 0969-2126
PubMed: 16154086
DOI: 10.1016/J.STR.2005.05.014