Potassium in PDB 2nlj: Potassium Channel Kcsa(M96V)-Fab Complex in Kcl

The structure of Potassium Channel Kcsa(M96V)-Fab Complex in Kcl, PDB code: 2nlj was solved by S.W.Lockless, M.Zhou, R.Mackinnon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.47 / 2.52
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.383, 155.383, 75.718, 90.00, 90.00, 90.00
R / Rfree (%)	23.5 / 25.5

The binding sites of Potassium atom in the Potassium Channel Kcsa(M96V)-Fab Complex in Kcl (pdb code 2nlj). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Potassium Channel Kcsa(M96V)-Fab Complex in Kcl, PDB code: 2nlj:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Potassium Channel Kcsa(M96V)-Fab Complex in Kcl


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Potassium Channel Kcsa(M96V)-Fab Complex in Kcl within 5.0Å range: probe atom residue distance (Å) B Occ C:K201 b:75.9 occ:0.25 O C:GLY77 2.6 17.6 1.0 C C:GLY77 3.5 20.2 1.0 CA C:GLY77 4.1 18.8 1.0 C C:TYR78 4.2 20.8 1.0 N C:GLY79 4.2 21.1 1.0 O C:TYR78 4.4 22.6 1.0 CA C:GLY79 4.4 19.7 1.0 N C:TYR78 4.4 19.6 1.0 CA C:TYR78 4.7 21.5 1.0

Potassium binding site 2 out of 3 in the Potassium Channel Kcsa(M96V)-Fab Complex in Kcl


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Potassium Channel Kcsa(M96V)-Fab Complex in Kcl within 5.0Å range: probe atom residue distance (Å) B Occ C:K202 b:26.6 occ:0.25 O C:THR75 2.8 19.0 1.0 OG1 C:THR75 3.3 26.4 1.0 CB C:THR75 3.7 28.1 1.0 C C:THR75 3.9 21.6 1.0 CA C:THR75 4.5 24.4 1.0 CG2 C:THR75 4.9 30.8 1.0

Potassium binding site 3 out of 3 in the Potassium Channel Kcsa(M96V)-Fab Complex in Kcl


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Potassium Channel Kcsa(M96V)-Fab Complex in Kcl within 5.0Å range:

S.W.Lockless, M.Zhou, R.Mackinnon. Structural and Thermodynamic Properties of Selective Ion Binding in A K(+) Channel. Plos Biol. V. 5 E121 2007.
ISSN: ISSN 1544-9173
PubMed: 17472437
DOI: 10.1371/JOURNAL.PBIO.0050121