Magnesium in PDB 2d1k: Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I

All present enzymatic activity of Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I:
3.1.21.1;

The structure of Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I, PDB code: 2d1k was solved by D.Chereau, F.Kerff, R.Dominguez, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	41.40 / 2.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	42.093, 75.487, 228.991, 90.00, 90.00, 90.00
R / Rfree (%)	21.7 / 28.4

The structure of Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Magnesium atom in the Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I (pdb code 2d1k). 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 Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I, PDB code: 2d1k:

Magnesium binding site 1 out of 1 in the Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Ternary Complex of the WH2 Domain of Mim with Actin-Dnase I within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1274 b:42.7 occ:1.00 O B:ASP198 2.2 37.2 1.0 O B:HOH1289 2.3 22.7 1.0 O B:HOH1276 2.4 26.1 1.0 OD2 B:ASP172 2.8 48.2 1.0 C B:ASP198 3.3 34.4 1.0 CA B:SER199 3.6 30.8 1.0 CG B:ASP172 3.8 45.4 1.0 N B:SER199 3.9 34.7 1.0 C B:SER199 3.9 31.4 1.0 OD1 B:ASP172 4.0 44.9 1.0 O B:ALA200 4.3 35.4 1.0 O B:SER199 4.3 36.1 1.0 CB B:ALA210 4.4 38.5 1.0 N B:ALA210 4.4 38.5 1.0 N B:ALA200 4.4 30.2 1.0 CA B:ASP198 4.5 37.5 1.0 O B:ASN208 4.6 44.3 1.0 O B:HOH1283 4.7 43.0 1.0 ND2 B:ASN208 4.8 34.8 1.0 CB B:ASP198 4.8 40.0 1.0 CB B:SER199 4.8 25.5 1.0 CA B:CYS209 5.0 40.6 1.0

S.H.Lee, F.Kerff, D.Chereau, F.Ferron, A.Klug, R.Dominguez. Structural Basis For the Actin-Binding Function of Missing-in-Metastasis Structure V. 15 145 2007.
ISSN: ISSN 0969-2126
PubMed: 17292833
DOI: 10.1016/J.STR.2006.12.005