Potassium in PDB 6xph: Cutr Dimer with Domain Swap

The structure of Cutr Dimer with Domain Swap, PDB code: 6xph was solved by J.M.Ochoa, M.R.Sawaya, V.N.Nguyen, C.Duilio, T.O.Yeates, M.Nie, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	77.54 / 1.80
Space group	P 43 3 2
Cell size a, b, c (Å), α, β, γ (°)	110.290, 110.290, 110.290, 90.00, 90.00, 90.00
R / Rfree (%)	17.6 / 21

The structure of Cutr Dimer with Domain Swap also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Potassium atom in the Cutr Dimer with Domain Swap (pdb code 6xph). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Cutr Dimer with Domain Swap, PDB code: 6xph:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Cutr Dimer with Domain Swap


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Cutr Dimer with Domain Swap within 5.0Å range: probe atom residue distance (Å) B Occ A:K201 b:51.9 occ:1.00 O A:HOH344 2.5 49.7 1.0 O A:HOH349 2.5 43.8 1.0 O A:ALA67 2.5 39.6 1.0 O A:GLY65 2.5 41.2 1.0 O A:ILE70 2.5 35.8 1.0 O A:HOH331 2.9 49.8 1.0 C A:GLY65 3.6 38.4 1.0 C A:ILE70 3.7 35.9 1.0 C A:ALA67 3.7 37.7 1.0 N A:ILE70 4.0 34.9 1.0 O A:ALA68 4.2 51.0 1.0 N A:ALA67 4.2 37.4 1.0 CA A:GLY65 4.3 35.4 1.0 CA A:ILE70 4.3 33.5 1.0 C A:ALA68 4.3 47.9 1.0 C A:ASP66 4.4 41.2 1.0 N A:ASP66 4.5 38.3 1.0 CA A:ALA68 4.5 43.7 1.0 OD1 A:ASP71 4.6 63.0 1.0 N A:ALA68 4.6 43.6 1.0 CB A:ILE70 4.6 33.8 1.0 CA A:ALA67 4.6 42.5 1.0 CA A:ASP66 4.7 41.4 1.0 O A:ASP66 4.7 43.4 1.0 N A:ASP71 4.8 34.5 1.0 O A:ALA64 4.8 35.6 1.0 N A:ASN69 4.9 41.6 1.0 O A:HOH339 4.9 34.4 1.0

Potassium binding site 2 out of 2 in the Cutr Dimer with Domain Swap


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Cutr Dimer with Domain Swap within 5.0Å range: probe atom residue distance (Å) B Occ B:K201 b:50.0 occ:1.00 O B:ILE70 2.4 34.8 1.0 O B:ALA67 2.5 38.5 1.0 O B:HOH358 2.5 43.3 1.0 O B:HOH355 2.5 47.1 1.0 O B:GLY65 2.6 32.3 1.0 C B:ILE70 3.6 36.2 1.0 C B:ALA67 3.6 40.6 1.0 C B:GLY65 3.7 33.6 1.0 O B:ALA68 3.9 48.9 1.0 N B:ILE70 4.0 33.2 1.0 C B:ALA68 4.1 45.7 1.0 CA B:ILE70 4.3 31.3 1.0 CA B:ALA68 4.3 48.9 1.0 N B:ALA67 4.3 34.4 1.0 CA B:GLY65 4.4 32.5 1.0 N B:ALA68 4.4 47.1 1.0 C B:ASP66 4.4 40.1 1.0 CB B:ILE70 4.6 32.2 1.0 CA B:ALA67 4.6 36.5 1.0 N B:ASP71 4.7 31.6 1.0 N B:ASP66 4.7 33.1 1.0 OD1 B:ASP71 4.7 59.7 1.0 O B:ASP66 4.8 41.0 1.0 N B:ASN69 4.8 39.2 1.0 CA B:ASP66 4.9 36.0 1.0 O B:HOH345 4.9 36.4 1.0 O B:ALA64 4.9 33.1 1.0

J.M.Ochoa, V.N.Nguyen, M.Nie, M.R.Sawaya, T.A.Bobik, T.O.Yeates. Symmetry Breaking and Structural Polymorphism in A Bacterial Microcompartment Shell Protein For Choline Utilization. Protein Sci. V. 29 2201 2020.
ISSN: ESSN 1469-896X
PubMed: 32885887
DOI: 10.1002/PRO.3941