Potassium in PDB 6hdb: Crystal Structure of the Potassium Channel MTTMEM175 with Zinc

The structure of Crystal Structure of the Potassium Channel MTTMEM175 with Zinc, PDB code: 6hdb was solved by J.D.Brunner, R.P.Jakob, T.Schulze, Y.Neldner, A.Moroni, G.Thiel, T.Maier, S.Schenck, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	44.10 / 2.90
Space group	P 4 21 2
Cell size a, b, c (Å), α, β, γ (°)	131.920, 131.920, 132.790, 90.00, 90.00, 90.00
R / Rfree (%)	27.5 / 28.6

The structure of Crystal Structure of the Potassium Channel MTTMEM175 with Zinc also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

The binding sites of Potassium atom in the Crystal Structure of the Potassium Channel MTTMEM175 with Zinc (pdb code 6hdb). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of the Potassium Channel MTTMEM175 with Zinc, PDB code: 6hdb:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of the Potassium Channel MTTMEM175 with Zinc


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the Potassium Channel MTTMEM175 with Zinc within 5.0Å range: probe atom residue distance (Å) B Occ B:K502 b:0.1 occ:0.10 O B:HOH605 4.2 0.3 1.0 O B:HOH604 4.5 83.6 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of the Potassium Channel MTTMEM175 with Zinc


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the Potassium Channel MTTMEM175 with Zinc within 5.0Å range: probe atom residue distance (Å) B Occ B:K503 b:0.8 occ:0.14 HG23 B:THR27 3.6 0.8 1.0 HB2 B:ALA31 4.1 89.1 1.0 CG2 B:THR27 4.4 0.8 1.0 HG22 B:THR27 4.5 0.9 1.0 HG21 B:THR27 4.5 0.4 1.0 HB1 B:ALA31 4.9 88.0 1.0 CB B:ALA31 5.0 87.4 1.0

J.D.Brunner, R.P.Jakob, T.Schulze, Y.Neldner, A.Moroni, G.Thiel, T.Maier, S.Schenck. Structural Basis For Ion Selectivity in TMEM175 K+ Channels Biorxiv 2019.
DOI: 10.1101/480863