Potassium in PDB 5bkk: Bbtba-Bound Closed Mthk Channel in Nanodisc

The binding sites of Potassium atom in the Bbtba-Bound Closed Mthk Channel in Nanodisc (pdb code 5bkk). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Bbtba-Bound Closed Mthk Channel in Nanodisc, PDB code: 5bkk:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Bbtba-Bound Closed Mthk Channel in Nanodisc


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Bbtba-Bound Closed Mthk Channel in Nanodisc within 5.0Å range: probe atom residue distance (Å) B Occ A:K402 b:42.4 occ:1.00 O E:THR59 2.6 40.3 1.0 O C:THR59 2.6 38.9 1.0 O A:THR59 2.7 39.9 1.0 O G:THR59 2.8 40.5 1.0 OG1 E:THR59 3.0 40.3 1.0 OG1 C:THR59 3.0 38.9 1.0 OG1 G:THR59 3.1 40.5 1.0 OG1 A:THR59 3.1 39.9 1.0 CB C:THR59 3.6 38.9 1.0 CB E:THR59 3.6 40.3 1.0 CB G:THR59 3.7 40.5 1.0 CB A:THR59 3.7 39.9 1.0 C C:THR59 3.7 38.9 1.0 C E:THR59 3.7 40.3 1.0 K G:K402 3.7 40.4 1.0 C A:THR59 3.8 39.9 1.0 C G:THR59 3.9 40.5 1.0 C13 A:YQ4403 3.9 45.8 1.0 CA C:THR59 4.3 38.9 1.0 CA E:THR59 4.3 40.3 1.0 C17 A:YQ4403 4.4 45.8 1.0 CA A:THR59 4.4 39.9 1.0 CA G:THR59 4.4 40.5 1.0 C22 A:YQ4403 4.7 45.8 1.0 N01 A:YQ4403 4.8 45.8 1.0 N C:VAL60 4.8 40.1 1.0 N E:VAL60 4.8 40.0 1.0 CG2 C:THR59 4.8 38.9 1.0 N A:VAL60 4.9 39.7 1.0 CG2 E:THR59 4.9 40.3 1.0 CG2 G:THR59 4.9 40.5 1.0 O E:ALA58 4.9 40.7 1.0 CG2 A:THR59 5.0 39.9 1.0

Potassium binding site 2 out of 3 in the Bbtba-Bound Closed Mthk Channel in Nanodisc


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Bbtba-Bound Closed Mthk Channel in Nanodisc within 5.0Å range: probe atom residue distance (Å) B Occ E:K401 b:38.0 occ:1.00 CG2 G:VAL91 4.2 41.0 1.0 CG1 E:VAL91 4.5 39.5 1.0 CG1 C:VAL91 4.6 34.0 1.0 CG2 E:VAL91 4.8 39.5 1.0 CD1 A:LEU95 4.9 34.8 1.0

Potassium binding site 3 out of 3 in the Bbtba-Bound Closed Mthk Channel in Nanodisc


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Bbtba-Bound Closed Mthk Channel in Nanodisc within 5.0Å range: probe atom residue distance (Å) B Occ G:K402 b:40.4 occ:1.00 O G:VAL60 2.2 40.2 1.0 O E:VAL60 2.5 40.0 1.0 O A:VAL60 2.7 39.7 1.0 O C:VAL60 2.9 40.1 1.0 C G:VAL60 2.9 40.2 1.0 O G:THR59 3.0 40.5 1.0 O E:THR59 3.3 40.3 1.0 O A:THR59 3.3 39.9 1.0 CA G:VAL60 3.3 40.2 1.0 C A:VAL60 3.4 39.7 1.0 C E:VAL60 3.4 40.0 1.0 O C:THR59 3.5 38.9 1.0 C G:THR59 3.6 40.5 1.0 K A:K402 3.7 42.4 1.0 N G:VAL60 3.8 40.2 1.0 CA A:VAL60 3.8 39.7 1.0 C C:VAL60 3.9 40.1 1.0 CA E:VAL60 3.9 40.0 1.0 C A:THR59 3.9 39.9 1.0 N G:GLY61 3.9 44.5 1.0 N A:VAL60 4.2 39.7 1.0 C E:THR59 4.2 40.3 1.0 N A:GLY61 4.3 44.2 1.0 C C:THR59 4.4 38.9 1.0 CA G:GLY61 4.4 44.5 1.0 CA C:VAL60 4.4 40.1 1.0 N E:VAL60 4.5 40.0 1.0 N E:GLY61 4.5 43.7 1.0 CA A:GLY61 4.6 44.2 1.0 CA G:THR59 4.7 40.5 1.0 CB G:VAL60 4.8 40.2 1.0 N C:GLY61 4.8 43.6 1.0 N C:VAL60 4.8 40.1 1.0 O G:GLY61 4.9 44.5 1.0 O E:GLY61 4.9 43.7 1.0 CA E:GLY61 4.9 43.7 1.0 O A:GLY61 4.9 44.2 1.0 CA A:THR59 4.9 39.9 1.0

F.Chen, F.Emelie, S.Nattakan, W.A.Toby, M.N.Crina. Quaternary Ammonium Ions Block and Inactivate Closed Calcium-Activated Potassium Channels Via Membrane Fenestrations To Be Published.