Magnesium in PDB 1ido: I-Domain From Integrin CR3, MG2+ Bound

The structure of I-Domain From Integrin CR3, MG2+ Bound, PDB code: 1ido was solved by J.-O.Lee, R.Liddington, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	7.00 / 1.70
Space group	P 43
Cell size a, b, c (Å), α, β, γ (°)	45.700, 45.700, 94.300, 90.00, 90.00, 90.00
R / Rfree (%)	20.2 / n/a

The binding sites of Magnesium atom in the I-Domain From Integrin CR3, MG2+ Bound (pdb code 1ido). 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 I-Domain From Integrin CR3, MG2+ Bound, PDB code: 1ido:

Magnesium binding site 1 out of 1 in the I-Domain From Integrin CR3, MG2+ Bound


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of I-Domain From Integrin CR3, MG2+ Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg400 b:7.6 occ:1.00 O A:HOH404 2.0 5.6 1.0 O A:HOH403 2.0 2.7 1.0 OG1 A:THR209 2.1 6.0 1.0 OG A:SER142 2.2 7.8 1.0 OG A:SER144 2.2 6.2 1.0 CB A:SER142 3.2 5.2 1.0 CB A:SER144 3.3 4.1 1.0 CB A:THR209 3.3 4.2 1.0 CG2 A:THR209 3.6 2.0 1.0 O A:GLU244 4.0 5.9 1.0 N A:SER144 4.0 6.1 1.0 OD2 A:ASP242 4.1 4.5 1.0 OD1 A:ASP140 4.2 7.0 1.0 OD1 A:ASP242 4.2 6.3 1.0 CA A:SER144 4.2 7.2 1.0 OD2 A:ASP140 4.2 7.6 1.0 CA A:SER142 4.4 6.7 1.0 CA A:THR209 4.5 4.4 1.0 C A:SER142 4.5 9.9 1.0 CG A:ASP242 4.6 6.5 1.0 CG A:ASP140 4.7 7.0 1.0 N A:THR209 4.7 5.4 1.0 O A:SER142 4.8 11.6 1.0 N A:ILE145 4.8 8.2 1.0 C A:SER144 4.9 8.5 1.0 N A:GLY143 4.9 10.3 1.0 C A:ARG208 4.9 4.9 1.0 CG1 A:ILE145 5.0 6.7 1.0

J.O.Lee, P.Rieu, M.A.Arnaout, R.Liddington. Crystal Structure of the A Domain From the Alpha Subunit of Integrin CR3 (CD11B/CD18). Cell(Cambridge,Mass.) V. 80 631 1995.
ISSN: ISSN 0092-8674
PubMed: 7867070
DOI: 10.1016/0092-8674(95)90517-0