Magnesium in PDB 2a3z: Ternary Complex of the WH2 Domain of Wasp with Actin-Dnase I

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

The structure of Ternary Complex of the WH2 Domain of Wasp with Actin-Dnase I, PDB code: 2a3z 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)	40.10 / 2.08
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	153.270, 41.798, 119.418, 90.00, 108.68, 90.00
R / Rfree (%)	15.3 / 21

The structure of Ternary Complex of the WH2 Domain of Wasp 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 Wasp with Actin-Dnase I (pdb code 2a3z). 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 Wasp with Actin-Dnase I, PDB code: 2a3z:

Magnesium binding site 1 out of 1 in the Ternary Complex of the WH2 Domain of Wasp 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 Wasp with Actin-Dnase I within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1274 b:28.6 occ:1.00 OD2 B:ASP172 2.3 31.2 1.0 O B:HOH1386 2.3 26.8 1.0 O B:ASP198 2.4 29.6 1.0 O B:HOH1501 2.5 48.4 1.0 O B:HOH1416 2.5 31.8 1.0 O B:HOH1408 2.5 28.9 1.0 CG B:ASP172 3.2 32.9 1.0 OD1 B:ASP172 3.4 36.2 1.0 C B:ASP198 3.6 30.0 1.0 N B:ALA210 4.2 26.2 1.0 O B:ASN208 4.2 28.4 1.0 O B:HOH1436 4.3 34.1 1.0 CA B:SER199 4.3 30.1 1.0 N B:SER199 4.4 29.5 1.0 CA B:CYS209 4.5 28.1 1.0 C B:SER199 4.5 30.3 1.0 O B:ALA200 4.5 27.8 1.0 CB B:ALA210 4.6 24.6 1.0 ND2 B:ASN208 4.6 22.7 1.0 CA B:ASP198 4.7 30.7 1.0 CB B:ASP172 4.7 28.5 1.0 O B:SER199 4.8 31.5 1.0 C B:CYS209 4.8 27.8 1.0 C B:ASN208 4.8 28.9 1.0 O B:HOH1536 4.9 36.0 1.0 CG B:ASN208 4.9 27.0 1.0 CB B:ASP198 5.0 31.6 1.0 N B:ALA200 5.0 29.7 1.0 OD1 B:ASN208 5.0 26.0 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