Potassium in PDB 6iam: Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches

The structure of Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches, PDB code: 6iam was solved by L.Werel, L.-O.Essen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	37.49 / 1.51
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	46.526, 46.560, 66.168, 90.00, 107.22, 90.00
R / Rfree (%)	14.8 / 17

The structure of Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches also contains other interesting chemical elements:

Sodium

(Na)

2 atoms

The binding sites of Potassium atom in the Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches (pdb code 6iam). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches, PDB code: 6iam:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches within 5.0Å range: probe atom residue distance (Å) B Occ A:K401 b:38.7 occ:1.00 O A:HOH790 2.4 32.9 1.0 O A:HOH581 2.5 15.6 1.0 OD1 A:ASN100 2.5 17.0 1.0 OG A:SER117 2.5 23.2 1.0 O A:HOH656 2.7 26.4 1.0 HA A:ASN100 3.1 14.0 1.0 CG A:ASN100 3.5 18.0 1.0 O A:HOH509 3.7 33.3 1.0 CB A:SER117 3.7 21.6 1.0 H A:SER117 3.7 19.5 1.0 HB3 A:ASN100 3.8 16.5 1.0 HB2 A:SER117 3.8 25.9 1.0 CB A:ASN100 3.9 13.7 1.0 CA A:ASN100 4.0 11.7 1.0 O A:HOH802 4.1 26.5 1.0 O A:HOH799 4.2 35.3 1.0 O A:HOH704 4.3 28.9 1.0 N A:SER117 4.3 16.2 1.0 HB A:VAL116 4.3 21.5 1.0 HB3 A:SER117 4.4 25.9 1.0 O A:ASN100 4.5 12.4 1.0 CA A:SER117 4.5 19.7 1.0 ND2 A:ASN100 4.6 21.2 1.0 O A:SER99 4.6 11.9 1.0 O A:HOH703 4.7 30.5 1.0 HA A:SER117 4.7 23.6 1.0 HD21 A:ASN100 4.7 25.5 1.0 C A:ASN100 4.8 10.8 1.0 HB2 A:ASN100 4.9 16.5 1.0 N A:ASN100 4.9 11.1 1.0

Potassium binding site 2 out of 3 in the Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches within 5.0Å range: probe atom residue distance (Å) B Occ A:K402 b:45.0 occ:1.00 O A:HOH841 2.5 29.8 1.0 O A:HOH667 2.7 23.8 1.0 O A:LYS331 2.7 11.7 1.0 HB3 A:ALA36 3.1 18.0 1.0 HA A:SER332 3.2 12.0 1.0 O A:ASN34 3.3 14.4 1.0 HB2 A:ALA36 3.6 18.0 1.0 C A:LYS331 3.6 9.3 1.0 HE2 A:LYS38 3.7 21.9 1.0 HD21 A:ASN34 3.7 19.4 1.0 CB A:ALA36 3.8 15.0 1.0 H A:ALA36 3.8 14.3 1.0 CA A:SER332 4.0 10.0 1.0 ND2 A:ASN34 4.0 16.1 1.0 H A:ASP333 4.0 12.9 1.0 O A:HOH645 4.0 18.3 1.0 OD1 A:ASN34 4.1 15.0 1.0 HZ1 A:LYS38 4.1 26.4 1.0 N A:SER332 4.1 9.2 1.0 CG A:ASN34 4.1 14.5 1.0 N A:ALA36 4.2 11.9 1.0 HB2 A:LYS331 4.2 13.3 1.0 N A:ASP333 4.3 10.8 1.0 O A:HOH792 4.3 34.3 1.0 OD2 A:ASP333 4.3 16.7 1.0 C A:SER332 4.3 10.3 1.0 HE3 A:LYS38 4.3 21.9 1.0 HA A:TYR35 4.3 14.1 1.0 HD22 A:ASN34 4.4 19.4 1.0 OD1 A:ASP333 4.4 16.1 1.0 CE A:LYS38 4.4 18.3 1.0 C A:ASN34 4.4 13.2 1.0 O A:HOH694 4.4 26.7 1.0 CG A:ASP333 4.4 15.1 1.0 HB1 A:ALA36 4.5 18.0 1.0 CA A:ALA36 4.6 13.3 1.0 NZ A:LYS38 4.7 22.0 1.0 CA A:LYS331 4.8 8.9 1.0 CB A:LYS331 4.8 11.1 1.0 C A:TYR35 4.8 13.7 1.0 H A:LYS331 4.8 10.0 1.0 HB3 A:LYS331 4.9 13.3 1.0 H A:SER332 4.9 11.0 1.0 CA A:TYR35 4.9 11.7 1.0 HB2 A:ASN34 5.0 16.2 1.0 HZ3 A:LYS38 5.0 26.4 1.0

Potassium binding site 3 out of 3 in the Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Modulating Protein-Protein Interactions with Visible Light Peptide Backbone Switches within 5.0Å range: probe atom residue distance (Å) B Occ A:K403 b:61.8 occ:1.00 O A:HIS170 2.9 11.3 1.0 O A:HOH610 2.9 27.6 1.0 HA A:PRO168 3.0 13.6 1.0 H A:HIS170 3.1 11.0 1.0 HB2 A:PRO168 3.3 16.4 1.0 C A:PRO168 3.3 11.8 1.0 O A:HOH774 3.4 22.6 1.0 CA A:PRO168 3.4 11.3 1.0 O A:PRO168 3.6 13.3 1.0 N A:ALA169 3.7 10.7 1.0 H A:ALA169 3.7 12.9 1.0 CB A:PRO168 3.7 13.7 1.0 O A:GLU151 3.7 9.7 1.0 N A:HIS170 3.8 9.2 1.0 HB2 A:GLU151 3.8 11.4 1.0 HB3 A:PRO168 3.9 16.4 1.0 HB3 A:GLU151 3.9 11.4 1.0 C A:HIS170 4.0 9.5 1.0 CB A:GLU151 4.3 9.5 1.0 C A:GLU151 4.4 8.3 1.0 CA A:HIS170 4.6 8.9 1.0 C A:ALA169 4.6 9.2 1.0 HA A:SER152 4.6 10.3 1.0 HA A:SER171 4.6 11.3 1.0 CA A:ALA169 4.7 11.1 1.0 N A:PRO168 4.8 12.1 1.0 OE2 A:GLU151 4.9 12.5 1.0

L.Albert, A.Penalver, N.Djokovic, L.Werel, M.Hoffarth, D.Ruzic, J.Xu, L.O.Essen, K.Nikolic, Y.Dou, O.Vazquez. Modulating Protein-Protein Interactions with Visible-Light-Responsive Peptide Backbone Photoswitches. Chembiochem V. 20 1417 2019.
ISSN: ESSN 1439-7633
PubMed: 30675988
DOI: 10.1002/CBIC.201800737