Magnesium in PDB 3at9: Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Magnesium Chloride)

The structure of Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Magnesium Chloride), PDB code: 3at9 was solved by A.Inanobe, Y.Kurachi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	47.99 / 3.30
Space group	I 4 2 2
Cell size a, b, c (Å), α, β, γ (°)	81.691, 81.691, 172.429, 90.00, 90.00, 90.00
R / Rfree (%)	23.1 / 26.9

The binding sites of Magnesium atom in the Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Magnesium Chloride) (pdb code 3at9). 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 Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Magnesium Chloride), PDB code: 3at9:

Magnesium binding site 1 out of 1 in the Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Magnesium Chloride)


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Magnesium Chloride) within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1 b:52.4 occ:0.25 OE2 A:GLU236 4.2 74.2 1.0 CE A:MET313 4.3 50.8 0.5 OE1 A:GLU236 4.9 73.2 1.0 CD A:GLU236 4.9 73.5 1.0

A.Inanobe, A.Nakagawa, Y.Kurachi. Interactions of Cations with the Cytoplasmic Pores of Inward Rectifier K(+) Channels in the Closed State J.Biol.Chem. V. 286 41801 2011.
ISSN: ISSN 0021-9258
PubMed: 21982822
DOI: 10.1074/JBC.M111.278531