Potassium in PDB 7lft: Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+

The binding sites of Potassium atom in the Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+ (pdb code 7lft). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+, PDB code: 7lft:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+


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 Human Apo CNGA1 Channel in K+/CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ A:K709 b:30.1 occ:1.00 O D:HOH801 2.8 9.1 1.0 O B:HOH801 2.8 8.9 1.0 O A:HOH801 2.8 9.2 1.0 O C:HOH801 2.8 8.7 1.0 K A:K710 3.1 29.3 1.0 O B:THR362 3.2 21.4 1.0 O A:THR362 3.2 21.4 1.0 O C:THR362 3.3 21.4 1.0 O D:THR362 3.3 21.4 1.0 C B:THR362 4.3 21.4 1.0 C A:THR362 4.3 21.4 1.0 C C:THR362 4.3 21.4 1.0 C D:THR362 4.4 21.4 1.0 CA A:ILE363 4.6 20.9 1.0 CA B:ILE363 4.6 20.9 1.0 CA D:ILE363 4.7 20.9 1.0 CA C:ILE363 4.7 20.9 1.0 OG1 B:THR362 4.7 21.4 1.0 OG1 A:THR362 4.7 21.4 1.0 OG1 C:THR362 4.7 21.4 1.0 OG1 D:THR362 4.8 21.4 1.0 N B:ILE363 4.9 20.9 1.0 N A:ILE363 4.9 20.9 1.0 N C:ILE363 4.9 20.9 1.0 N D:ILE363 4.9 20.9 1.0 K A:K711 5.0 23.3 1.0 O B:ILE363 5.0 20.9 1.0 O A:ILE363 5.0 20.9 1.0 O C:ILE363 5.0 20.9 1.0

Potassium binding site 2 out of 3 in the Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ A:K710 b:29.3 occ:1.00 K A:K711 1.8 23.3 1.0 K A:K709 3.1 30.1 1.0 O C:ILE363 3.1 20.9 1.0 O B:ILE363 3.1 20.9 1.0 O D:ILE363 3.1 20.9 1.0 O A:ILE363 3.1 20.9 1.0 OE2 C:GLU365 4.0 24.0 1.0 OE2 D:GLU365 4.0 24.0 1.0 OE2 B:GLU365 4.1 24.0 1.0 OE2 A:GLU365 4.1 24.0 1.0 C C:ILE363 4.1 20.9 1.0 C B:ILE363 4.1 20.9 1.0 C D:ILE363 4.1 20.9 1.0 C A:ILE363 4.1 20.9 1.0 CA C:ILE363 4.2 20.9 1.0 CA B:ILE363 4.2 20.9 1.0 O C:THR362 4.2 21.4 1.0 O B:THR362 4.2 21.4 1.0 CA A:ILE363 4.2 20.9 1.0 CA D:ILE363 4.2 20.9 1.0 O A:THR362 4.2 21.4 1.0 O D:THR362 4.2 21.4 1.0 CG2 B:ILE363 4.7 20.9 1.0 CG2 C:ILE363 4.7 20.9 1.0 CG2 A:ILE363 4.7 20.9 1.0 CG2 D:ILE363 4.7 20.9 1.0

Potassium binding site 3 out of 3 in the Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Cryo-Em Structure of Human Apo CNGA1 Channel in K+/CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ A:K711 b:23.3 occ:1.00 K A:K710 1.8 29.3 1.0 OE2 D:GLU365 2.7 24.0 1.0 OE2 C:GLU365 2.7 24.0 1.0 OE2 A:GLU365 2.7 24.0 1.0 OE2 B:GLU365 2.7 24.0 1.0 O A:ILE363 3.2 20.9 1.0 O D:ILE363 3.2 20.9 1.0 O C:ILE363 3.2 20.9 1.0 O B:ILE363 3.2 20.9 1.0 CD D:GLU365 3.8 24.0 1.0 CD C:GLU365 3.8 24.0 1.0 CD A:GLU365 3.8 24.0 1.0 CD B:GLU365 3.8 24.0 1.0 C A:ILE363 4.3 20.9 1.0 C D:ILE363 4.3 20.9 1.0 C C:ILE363 4.3 20.9 1.0 C B:ILE363 4.3 20.9 1.0 OE1 D:GLU365 4.5 24.0 1.0 OE1 C:GLU365 4.5 24.0 1.0 OE1 A:GLU365 4.5 24.0 1.0 OE1 B:GLU365 4.5 24.0 1.0 CG D:GLU365 4.8 24.0 1.0 CG C:GLU365 4.8 24.0 1.0 CG A:GLU365 4.8 24.0 1.0 CG B:GLU365 4.8 24.0 1.0 CG2 D:ILE363 4.9 20.9 1.0 CG2 A:ILE363 4.9 20.9 1.0 CG2 C:ILE363 4.9 20.9 1.0 CA A:ILE363 4.9 20.9 1.0 CG2 B:ILE363 4.9 20.9 1.0 CA D:ILE363 5.0 20.9 1.0 CA C:ILE363 5.0 20.9 1.0 CA B:ILE363 5.0 20.9 1.0 K A:K709 5.0 30.1 1.0

J.Xue, Y.Han, W.Zeng, Y.Wang, Y.Jiang. Structural Mechanisms of Gating and Selectivity of Human Rod CNGA1 Channel. Neuron 2021.
ISSN: ISSN 0896-6273
PubMed: 33651975
DOI: 10.1016/J.NEURON.2021.02.007