Potassium in PDB 5tj6: CA2+ Bound Aplysia SLO1

The structure of CA2+ Bound Aplysia SLO1 also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Calcium	(Ca)	2 atoms

The binding sites of Potassium atom in the CA2+ Bound Aplysia SLO1 (pdb code 5tj6). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the CA2+ Bound Aplysia SLO1, PDB code: 5tj6:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in the CA2+ Bound Aplysia SLO1


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of CA2+ Bound Aplysia SLO1 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1101 b:0.5 occ:0.25 O A:GLY280 4.7 0.9 1.0

Potassium binding site 2 out of 5 in the CA2+ Bound Aplysia SLO1


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of CA2+ Bound Aplysia SLO1 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1102 b:0.3 occ:0.25 O A:GLY278 2.8 0.1 1.0 O A:PHE279 3.2 0.1 1.0 K A:K1103 3.5 0.9 0.3 C A:PHE279 3.6 0.4 1.0 C A:GLY278 3.9 0.2 1.0 CA A:PHE279 4.1 0.4 1.0 N A:GLY280 4.3 0.7 1.0 N A:PHE279 4.5 0.5 1.0 CA A:GLY280 4.8 0.9 1.0

Potassium binding site 3 out of 5 in the CA2+ Bound Aplysia SLO1


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of CA2+ Bound Aplysia SLO1 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1103 b:0.9 occ:0.25 O A:VAL277 2.5 0.0 1.0 O A:GLY278 2.8 0.1 1.0 K A:K1104 3.3 0.1 0.3 K A:K1102 3.5 0.3 0.3 C A:VAL277 3.6 0.5 1.0 C A:GLY278 3.7 0.2 1.0 CA A:GLY278 4.0 0.9 1.0 N A:GLY278 4.3 0.9 1.0 CA A:VAL277 4.8 0.8 1.0 N A:PHE279 4.8 0.5 1.0

Potassium binding site 4 out of 5 in the CA2+ Bound Aplysia SLO1


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of CA2+ Bound Aplysia SLO1 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1104 b:0.1 occ:0.25 O A:THR276 2.5 0.8 1.0 K A:K1105 3.1 0.4 0.3 K A:K1103 3.3 0.9 0.3 O A:VAL277 3.4 0.0 1.0 C A:THR276 3.5 0.7 1.0 C A:VAL277 3.9 0.5 1.0 CA A:VAL277 4.0 0.8 1.0 N A:VAL277 4.2 0.1 1.0 CA A:THR276 4.7 0.8 1.0 CB A:THR276 4.8 0.8 1.0 OG1 A:THR276 4.8 0.9 1.0 N A:GLY278 4.8 0.9 1.0

Potassium binding site 5 out of 5 in the CA2+ Bound Aplysia SLO1


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of CA2+ Bound Aplysia SLO1 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1105 b:0.4 occ:0.25 O A:THR276 2.9 0.8 1.0 OG1 A:THR276 2.9 0.9 1.0 K A:K1104 3.1 0.1 0.3 CB A:THR276 3.6 0.8 1.0 C A:THR276 3.9 0.7 1.0 CA A:THR276 4.4 0.8 1.0 CG2 A:THR276 4.8 0.7 1.0

X.Tao, R.K.Hite, R.Mackinnon. Cryo-Em Structure of the Open High-Conductance Ca(2+)-Activated K(+) Channel. Nature V. 541 46 2017.
ISSN: ESSN 1476-4687
PubMed: 27974795
DOI: 10.1038/NATURE20608