Magnesium in PDB 1ig5: Bovine Calbindin D9K Binding MG2+

The structure of Bovine Calbindin D9K Binding MG2+, PDB code: 1ig5 was solved by E.M.Andersson, L.A.Svensson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.50
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	33.730, 33.730, 129.470, 90.00, 90.00, 90.00
R / Rfree (%)	19.6 / 28.5

The binding sites of Magnesium atom in the Bovine Calbindin D9K Binding MG2+ (pdb code 1ig5). 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 Bovine Calbindin D9K Binding MG2+, PDB code: 1ig5:

Magnesium binding site 1 out of 1 in the Bovine Calbindin D9K Binding MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Bovine Calbindin D9K Binding MG2+ within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg78 b:20.4 occ:1.00 O A:HOH110 2.0 20.1 1.0 O A:GLU60 2.0 15.1 1.0 OD1 A:ASN56 2.0 22.7 1.0 OD1 A:ASP54 2.1 17.7 1.0 O A:HOH112 2.1 20.6 1.0 OD1 A:ASP58 2.1 24.7 1.0 CG A:ASP58 3.1 24.7 1.0 CG A:ASN56 3.2 25.4 1.0 CG A:ASP54 3.2 18.1 1.0 C A:GLU60 3.2 16.0 1.0 OD2 A:ASP58 3.5 24.6 1.0 ND2 A:ASN56 3.6 22.7 1.0 CA A:ASP54 3.9 19.8 1.0 OD2 A:ASP54 4.0 20.6 1.0 N A:GLU60 4.0 18.5 1.0 CB A:ASP54 4.0 17.9 1.0 CA A:GLU60 4.1 17.6 1.0 N A:ASP58 4.2 22.7 1.0 N A:VAL61 4.2 16.3 1.0 C A:ASP54 4.2 22.3 1.0 N A:ASN56 4.3 29.6 1.0 OE1 A:GLU65 4.3 17.0 1.0 OE1 A:GLN22 4.3 47.1 1.0 CB A:ASP58 4.3 24.2 1.0 CA A:VAL61 4.4 14.4 1.0 CB A:ASN56 4.5 25.6 1.0 N A:LYS55 4.5 27.6 1.0 N A:GLY57 4.5 26.6 1.0 CB A:GLU60 4.6 19.8 1.0 CA A:ASP58 4.6 22.8 1.0 CA A:ASN56 4.7 28.7 1.0 O A:ASP54 4.7 21.2 1.0 C A:ASN56 4.7 28.7 1.0 C A:ASP58 4.9 22.3 1.0 N A:GLY59 4.9 22.5 1.0

M.Andersson, A.Malmendal, S.Linse, I.Ivarsson, S.Forsen, L.A.Svensson. Structural Basis For the Negative Allostery Between Ca(2+)- and Mg(2+)-Binding in the Intracellular Ca(2+)-Receptor Calbindin D9K. Protein Sci. V. 6 1139 1997.
ISSN: ISSN 0961-8368
PubMed: 9194174