Potassium in PDB 7x24: Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State

All present enzymatic activity of Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State:
7.2.2.13; 7.2.2.19;

The structure of Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State also contains other interesting chemical elements:

Aluminium	(Al)	1 atom
Fluorine	(F)	4 atoms
Magnesium	(Mg)	1 atom

The binding sites of Potassium atom in the Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State (pdb code 7x24). 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 Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State, PDB code: 7x24:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State


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 Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State within 5.0Å range: probe atom residue distance (Å) B Occ A:K1101 b:16.3 occ:1.00 OD2 A:ASP823 2.7 19.4 1.0 O A:ALA342 2.7 9.9 1.0 OD1 A:ASN795 2.8 10.8 1.0 OE1 A:GLU798 2.9 8.8 1.0 OD1 A:ASP823 2.9 19.4 1.0 O A:VAL344 3.1 9.3 1.0 CG A:ASP823 3.2 19.4 1.0 CG A:ASN795 3.4 10.8 1.0 C A:ALA342 3.5 9.9 1.0 K A:K1102 3.6 13.8 1.0 O A:VAL341 3.7 10.2 1.0 C A:VAL344 3.8 9.3 1.0 CD A:GLU798 3.9 8.8 1.0 ND2 A:ASN795 3.9 10.8 1.0 CA A:ALA342 4.1 9.9 1.0 N A:VAL344 4.1 9.3 1.0 OE2 A:GLU798 4.2 8.8 1.0 CB A:ASN795 4.3 10.8 1.0 CA A:ASN795 4.3 10.8 1.0 OE1 A:GLU346 4.4 13.8 1.0 N A:ASN343 4.4 9.8 1.0 N A:PRO345 4.5 15.6 1.0 CA A:PRO345 4.5 15.6 1.0 CB A:ASP823 4.6 19.4 1.0 C A:ASN343 4.6 9.8 1.0 CA A:VAL344 4.6 9.3 1.0 C A:VAL341 4.7 10.2 1.0 OE2 A:GLU346 4.7 13.8 1.0 CA A:ASN343 4.8 9.8 1.0 CD A:GLU346 4.9 13.8 1.0 N A:ALA342 4.9 9.9 1.0 N A:ASN795 5.0 10.8 1.0

Potassium binding site 2 out of 3 in the Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State


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 Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State within 5.0Å range: probe atom residue distance (Å) B Occ A:K1102 b:13.8 occ:1.00 OG A:SER794 2.8 10.8 1.0 OD1 A:ASN795 2.8 10.8 1.0 OD1 A:ASP823 2.8 19.4 1.0 O A:THR791 3.0 13.3 1.0 K A:K1101 3.6 16.3 1.0 CG A:ASP823 3.9 19.4 1.0 CG A:ASN795 4.0 10.8 1.0 CB A:SER794 4.1 10.8 1.0 CG2 A:THR791 4.1 13.3 1.0 C A:THR791 4.1 13.3 1.0 OD2 A:ASP827 4.2 18.4 1.0 N A:ASN795 4.4 10.8 1.0 C A:SER794 4.4 10.8 1.0 OE2 A:GLU798 4.5 8.8 1.0 OD2 A:ASP823 4.6 19.4 1.0 CA A:THR791 4.7 13.3 1.0 CA A:SER794 4.7 10.8 1.0 CA A:PRO345 4.7 15.6 1.0 CA A:ASP823 4.7 19.4 1.0 O A:SER794 4.8 10.8 1.0 ND2 A:ASN795 4.8 10.8 1.0 CB A:ASP823 4.8 19.4 1.0 CB A:PRO345 4.8 15.6 1.0 CA A:ASN795 4.8 10.8 1.0 OE1 A:GLU798 4.8 8.8 1.0 N A:SER794 4.9 10.8 1.0 CD A:GLU798 5.0 8.8 1.0

Potassium binding site 3 out of 3 in the Cryo-Em Structure of Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State


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 Non Gastric H,K-Atpase ALPHA2 Spwc Mutant in (2K+)E2-Alf State within 5.0Å range: probe atom residue distance (Å) B Occ A:K1103 b:15.1 occ:1.00 OD1 A:ASP759 2.8 7.8 1.0 O A:ALA740 2.9 10.0 1.0 O A:LYS738 3.1 13.7 1.0 O A:LEU737 3.7 10.6 1.0 CG A:ASP759 3.7 7.8 1.0 OD2 A:ASP759 3.9 7.8 1.0 C A:LYS738 3.9 13.7 1.0 O A:ASP741 4.1 9.7 1.0 C A:ALA740 4.1 10.0 1.0 CA A:LYS738 4.1 13.7 1.0 C A:ASP741 4.4 9.7 1.0 C A:LEU737 4.6 10.6 1.0 N A:GLY743 4.7 7.6 1.0 N A:ALA740 4.8 10.0 1.0 N A:ILE742 4.9 9.4 1.0 CA A:ILE742 4.9 9.4 1.0 N A:LYS738 4.9 13.7 1.0 O A:ALA757 4.9 10.8 1.0 CA A:ASP741 4.9 9.7 1.0

V.C.Young, H.Nakanishi, D.J.Meyer, T.Nishizawa, A.Oshima, P.Artigas, K.Abe. Structure and Function of H + /K + Pump Mutants Reveal Na + /K + Pump Mechanisms. Nat Commun V. 13 5270 2022.
ISSN: ESSN 2041-1723
PubMed: 36085139
DOI: 10.1038/S41467-022-32793-0