Magnesium in PDB 2a41: Ternary Complex of the WH2 Domain of Wip with Actin-Dnase I

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

The structure of Ternary Complex of the WH2 Domain of Wip with Actin-Dnase I, PDB code: 2a41 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)	45.08 / 2.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	41.800, 77.070, 222.290, 90.00, 90.00, 90.00
R / Rfree (%)	16 / 21.9

The structure of Ternary Complex of the WH2 Domain of Wip 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 Wip with Actin-Dnase I (pdb code 2a41). 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 Wip with Actin-Dnase I, PDB code: 2a41:

Magnesium binding site 1 out of 1 in the Ternary Complex of the WH2 Domain of Wip 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 Wip with Actin-Dnase I within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1274 b:47.8 occ:1.00 O B:ASP198 2.2 29.1 1.0 OD2 B:ASP172 2.3 32.3 1.0 O B:HOH1280 2.5 20.7 1.0 O B:HOH1353 2.7 31.3 1.0 O B:HOH1290 2.7 21.7 1.0 CG B:ASP172 3.2 32.1 1.0 OD1 B:ASP172 3.3 32.4 1.0 C B:ASP198 3.4 29.0 1.0 N B:ALA210 4.0 30.8 1.0 O B:ASN208 4.0 30.0 1.0 O B:HOH1310 4.2 33.0 1.0 CA B:SER199 4.3 28.8 1.0 N B:SER199 4.3 28.5 1.0 CB B:ALA210 4.4 29.6 1.0 CA B:ASP198 4.4 29.7 1.0 O B:ALA200 4.6 30.6 1.0 C B:SER199 4.6 29.6 1.0 CB B:ASP172 4.6 30.4 1.0 CB B:ASP198 4.7 30.8 1.0 CA B:CYS209 4.7 31.2 1.0 O B:SER199 4.8 29.5 1.0 C B:CYS209 4.8 30.6 1.0 CA B:ALA210 4.9 30.5 1.0 C B:ASN208 4.9 29.4 1.0 ND2 B:ASN208 4.9 28.8 1.0

D.Chereau, F.Kerff, P.Graceffa, Z.Grabarek, K.Langsetmo, R.Dominguez. Actin-Bound Structures of Wiskott-Aldrich Syndrome Protein (Wasp)-Homology Domain 2 and the Implications For Filament Assembly Proc.Natl.Acad.Sci.Usa V. 102 16644 2005.
ISSN: ISSN 0027-8424
PubMed: 16275905
DOI: 10.1073/PNAS.0507021102