Potassium in PDB 7zdz: Cryo-Em Structure of the Human Inward-Rectifier Potassium 2.1 Channel (KIR2.1)

The structure of Cryo-Em Structure of the Human Inward-Rectifier Potassium 2.1 Channel (KIR2.1) also contains other interesting chemical elements:

Strontium

(Sr)

2 atoms

The binding sites of Potassium atom in the Cryo-Em Structure of the Human Inward-Rectifier Potassium 2.1 Channel (KIR2.1) (pdb code 7zdz). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Cryo-Em Structure of the Human Inward-Rectifier Potassium 2.1 Channel (KIR2.1), PDB code: 7zdz:

Potassium binding site 1 out of 1 in the Cryo-Em Structure of the Human Inward-Rectifier Potassium 2.1 Channel (KIR2.1)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Cryo-Em Structure of the Human Inward-Rectifier Potassium 2.1 Channel (KIR2.1) within 5.0Å range: probe atom residue distance (Å) B Occ B:K501 b:42.8 occ:1.00 OD1 B:ASP255 2.8 70.8 1.0 OD1 D:ASP255 2.8 70.1 1.0 OD1 A:ASP255 3.7 71.1 1.0 OD2 C:ASP255 3.7 73.2 1.0 OD1 C:ASP255 3.8 73.2 1.0 CG D:ASP255 3.8 70.1 1.0 CG B:ASP255 3.9 70.8 1.0 OD2 D:ASP255 4.0 70.1 1.0 OD2 A:ASP255 4.1 71.1 1.0 CG C:ASP255 4.1 73.2 1.0 CG A:ASP255 4.2 71.1 1.0 OD2 B:ASP255 4.3 70.8 1.0

C.A.H.Fernandes, D.Zuniga, C.Fagnen, V.Kugler, R.Scala, G.Pehau-Arnaudet, R.Wagner, D.Perahia, S.Bendahhou, C.Venien-Bryan. Cryo-Electron Microscopy Unveils Unique Structural Features of the Human KIR2.1 Channel. Sci Adv V. 8 Q8489 2022.
ISSN: ESSN 2375-2548
PubMed: 36149965
DOI: 10.1126/SCIADV.ABQ8489