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

The structure of Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Spermine), PDB code: 3ata 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 / 3.49
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 (%)	22.1 / 28

The binding sites of Barium atom in the Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Spermine) (pdb code 3ata). This binding sites where shown within 5.0 Angstroms radius around Barium atom.
In total only one binding site of Barium was determined in the Crystal Structure of the KIR3.2 Cytoplasmic Domain (Na+-Free Crystal Soaked in 10 Mm Barium Chloride and 10 Mm Spermine), PDB code: 3ata:

Barium 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 Spermine)


Mono view


Stereo pair view

A full contact list of Barium with other atoms in the Ba 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 Spermine) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ba1 b:0.6 occ:0.25 CE A:MET313 3.5 83.4 0.5 OE2 A:GLU236 3.6 87.2 1.0 OE1 A:GLU236 4.4 86.7 1.0 CD A:GLU236 4.4 86.5 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