Magnesium in PDB 2o3b: Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia

The structure of Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia, PDB code: 2o3b was solved by M.Ghosh, G.Meiss, A.M.Pingoud, R.E.London, L.C.Pedersen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.61 / 2.30
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	87.225, 87.225, 138.977, 90.00, 90.00, 90.00
R / Rfree (%)	20.1 / 24.1

The structure of Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia also contains other interesting chemical elements:

Nickel

(Ni)

2 atoms

The binding sites of Magnesium atom in the Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia (pdb code 2o3b). 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 Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia, PDB code: 2o3b:

Magnesium binding site 1 out of 1 in the Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure Complex of Nuclease A (Nuca) with Intra-Cellular Inhibitor Nuia within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg303 b:31.0 occ:1.00 O A:HOH977 1.9 29.0 1.0 OG1 B:THR135 2.0 43.7 1.0 OD1 A:ASN155 2.0 30.1 1.0 O A:HOH978 2.2 27.6 1.0 O A:HOH979 2.3 25.2 1.0 O A:HOH902 2.3 27.2 1.0 CB B:THR135 3.2 44.4 1.0 CG A:ASN155 3.2 30.8 1.0 OE1 B:GLU24 3.7 38.7 1.0 ND2 A:ASN155 3.8 28.1 1.0 OE1 A:GLU163 4.0 31.8 1.0 CG2 B:THR135 4.0 43.0 1.0 O A:ASN155 4.1 30.8 1.0 OXT B:THR135 4.1 52.1 1.0 OE2 A:GLU163 4.1 31.9 1.0 C B:THR135 4.2 49.1 1.0 OE1 A:GLN150 4.2 35.2 1.0 N A:HIS124 4.2 28.5 1.0 CA B:THR135 4.3 46.4 1.0 CD B:GLU24 4.3 41.0 1.0 CB A:ASN155 4.4 28.9 1.0 CD1 A:TRP159 4.5 27.4 1.0 CD A:GLU163 4.5 33.6 1.0 ND1 A:HIS124 4.5 34.6 1.0 CA A:ASN155 4.6 30.2 1.0 O A:HIS124 4.6 23.4 1.0 OE2 B:GLU24 4.6 43.5 1.0 O B:HOH139 4.6 48.3 1.0 C A:ASN155 4.7 31.0 1.0 O B:THR135 4.7 49.0 1.0 CA A:GLY123 4.7 28.7 1.0 CB A:HIS124 4.7 29.9 1.0 N B:THR135 4.9 44.4 1.0 C A:GLY123 4.9 29.2 1.0 CA A:HIS124 5.0 27.7 1.0

M.Ghosh, G.Meiss, A.M.Pingoud, R.E.London, L.C.Pedersen. The Nuclease A-Inhibitor Complex Is Characterized By A Novel Metal Ion Bridge. J.Biol.Chem. V. 282 5682 2007.
ISSN: ISSN 0021-9258
PubMed: 17138564
DOI: 10.1074/JBC.M605986200