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Potassium in PDB 7y45: Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State

Potassium Binding Sites:

The binding sites of Potassium atom in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State (pdb code 7y45). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State, PDB code: 7y45:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in 7y45

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Potassium binding site 1 out of 6 in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ 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 the Na+,K+-Atpase in the E2.2K+ State within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K1101

b:85.0
occ:1.00
 O C:LEU725 2.8 85.9 1.0
OD2 C:ASP747 2.8 62.9 1.0
O C:LYS726 2.9 94.0 1.0
O C:ALA728 2.9 76.7 1.0
C C:LYS726 3.4 94.0 1.0
CA C:LYS726 3.6 94.0 1.0
C C:LEU725 3.8 85.9 1.0
CG C:ASP747 3.9 62.9 1.0
C C:ALA728 4.1 76.7 1.0
N C:ALA728 4.2 76.7 1.0
N C:LYS726 4.2 94.0 1.0
OD1 C:ASP747 4.3 62.9 1.0
N C:LYS727 4.4 88.8 1.0
O C:ASP729 4.6 69.9 1.0
CA C:ALA728 4.7 76.7 1.0
C C:ASP729 4.8 69.9 1.0
C C:LYS727 4.8 88.8 1.0
N C:GLY731 4.8 61.8 1.0
CB C:LYS726 4.9 94.0 1.0
CA C:LYS727 5.0 88.8 1.0

Potassium binding site 2 out of 6 in 7y45

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Potassium binding site 2 out of 6 in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ 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 the Na+,K+-Atpase in the E2.2K+ State within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K1102

b:47.6
occ:1.00
 OG C:SER782 2.7 22.7 1.0
OD2 C:ASP811 2.7 30.8 1.0
O C:THR779 2.8 32.9 1.0
OD1 C:ASN783 2.8 21.8 1.0
O C:HOH1203 2.9 27.4 1.0
CG C:ASP811 3.2 30.8 1.0
OD1 C:ASP811 3.2 30.8 1.0
CG C:ASN783 3.9 21.8 1.0
CB C:SER782 3.9 22.7 1.0
C C:THR779 3.9 32.9 1.0
N C:ASN783 4.0 21.8 1.0
C C:SER782 4.0 22.7 1.0
OE1 C:GLU786 4.1 23.3 1.0
CG2 C:THR779 4.2 32.9 1.0
OE2 C:GLU786 4.2 23.3 1.0
CA C:SER782 4.4 22.7 1.0
K C:K1103 4.4 29.4 1.0
O C:SER782 4.4 22.7 1.0
CA C:ASN783 4.4 21.8 1.0
OD2 C:ASP815 4.4 35.1 1.0
CB C:ASP811 4.5 30.8 1.0
CD C:GLU786 4.5 23.3 1.0
N C:SER782 4.6 22.7 1.0
CA C:THR779 4.6 32.9 1.0
CB C:ASN783 4.7 21.8 1.0
ND2 C:ASN783 4.7 21.8 1.0
O C:LEU780 4.8 24.7 1.0
N C:LEU780 4.9 24.7 1.0
CA C:ASP811 5.0 30.8 1.0

Potassium binding site 3 out of 6 in 7y45

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Potassium binding site 3 out of 6 in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ 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 the Na+,K+-Atpase in the E2.2K+ State within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K1103

b:29.4
occ:1.00
 O C:ALA330 2.9 22.8 1.0
OD2 C:ASP811 2.9 30.8 1.0
O C:VAL329 3.0 22.5 1.0
O C:VAL332 3.0 26.5 1.0
OE1 C:GLU786 3.1 23.3 1.0
CG C:ASP811 3.3 30.8 1.0
OD1 C:ASN783 3.4 21.8 1.0
OE1 C:GLU334 3.4 29.0 1.0
OD1 C:ASP811 3.5 30.8 1.0
C C:ALA330 3.5 22.8 1.0
C C:VAL332 3.9 26.5 1.0
CA C:ALA330 3.9 22.8 1.0
CG2 C:ILE807 4.1 27.2 1.0
C C:VAL329 4.1 22.5 1.0
CD C:GLU786 4.2 23.3 1.0
CD C:GLU334 4.2 29.0 1.0
OE2 C:GLU334 4.3 29.0 1.0
CG C:ASN783 4.3 21.8 1.0
K C:K1102 4.4 47.6 1.0
CB C:ASP811 4.4 30.8 1.0
CA C:PRO333 4.4 27.3 1.0
N C:ALA330 4.5 22.8 1.0
N C:VAL332 4.5 26.5 1.0
N C:PRO333 4.5 27.3 1.0
N C:ASN331 4.5 26.7 1.0
C C:ASN331 4.5 26.7 1.0
OE2 C:GLU786 4.7 23.3 1.0
CA C:VAL332 4.7 26.5 1.0
ND2 C:ASN783 4.8 21.8 1.0
O C:ASN331 4.8 26.7 1.0
CA C:ASN331 5.0 26.7 1.0
N C:GLU334 5.0 29.0 1.0

Potassium binding site 4 out of 6 in 7y45

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Potassium binding site 4 out of 6 in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1101

b:88.3
occ:1.00
 O A:LEU725 2.7 87.0 1.0
OD2 A:ASP747 2.8 62.5 1.0
O A:LYS726 2.9 93.3 1.0
O A:ALA728 2.9 76.9 1.0
C A:LYS726 3.4 93.3 1.0
CA A:LYS726 3.6 93.3 1.0
C A:LEU725 3.8 87.0 1.0
CG A:ASP747 3.9 62.5 1.0
C A:ALA728 4.1 76.9 1.0
N A:ALA728 4.2 76.9 1.0
N A:LYS726 4.2 93.3 1.0
OD1 A:ASP747 4.3 62.5 1.0
N A:LYS727 4.4 88.3 1.0
O A:ASP729 4.6 71.2 1.0
CA A:ALA728 4.7 76.9 1.0
C A:ASP729 4.8 71.2 1.0
C A:LYS727 4.8 88.3 1.0
N A:GLY731 4.8 62.2 1.0
CB A:LYS726 4.9 93.3 1.0
CA A:LYS727 5.0 88.3 1.0

Potassium binding site 5 out of 6 in 7y45

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Potassium binding site 5 out of 6 in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1102

b:50.5
occ:1.00
 OG A:SER782 2.7 19.4 1.0
OD2 A:ASP811 2.7 30.1 1.0
O A:THR779 2.8 22.4 1.0
OD1 A:ASN783 2.8 19.2 1.0
O A:HOH1203 2.9 24.4 1.0
CG A:ASP811 3.2 30.1 1.0
OD1 A:ASP811 3.2 30.1 1.0
CG A:ASN783 3.9 19.2 1.0
CB A:SER782 3.9 19.4 1.0
C A:THR779 3.9 22.4 1.0
N A:ASN783 4.0 19.2 1.0
C A:SER782 4.0 19.4 1.0
OE1 A:GLU786 4.1 23.0 1.0
CG2 A:THR779 4.2 22.4 1.0
OE2 A:GLU786 4.2 23.0 1.0
CA A:SER782 4.4 19.4 1.0
K A:K1103 4.4 30.5 1.0
O A:SER782 4.4 19.4 1.0
CA A:ASN783 4.4 19.2 1.0
OD2 A:ASP815 4.4 27.8 1.0
CB A:ASP811 4.5 30.1 1.0
CD A:GLU786 4.5 23.0 1.0
N A:SER782 4.6 19.4 1.0
CA A:THR779 4.6 22.4 1.0
CB A:ASN783 4.7 19.2 1.0
ND2 A:ASN783 4.7 19.2 1.0
O A:LEU780 4.8 15.4 1.0
N A:LEU780 4.9 15.4 1.0
CA A:ASP811 5.0 30.1 1.0

Potassium binding site 6 out of 6 in 7y45

Go back to Potassium Binding Sites List in 7y45
Potassium binding site 6 out of 6 in the Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Cryo-Em Structure of the Na+,K+-Atpase in the E2.2K+ State within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1103

b:30.5
occ:1.00
 O A:ALA330 2.9 23.2 1.0
OD2 A:ASP811 2.9 30.1 1.0
O A:VAL329 3.0 22.4 1.0
O A:VAL332 3.0 25.4 1.0
OE1 A:GLU786 3.1 23.0 1.0
CG A:ASP811 3.3 30.1 1.0
OD1 A:ASN783 3.4 19.2 1.0
OE1 A:GLU334 3.4 28.1 1.0
OD1 A:ASP811 3.5 30.1 1.0
C A:ALA330 3.5 23.2 1.0
C A:VAL332 3.9 25.4 1.0
CA A:ALA330 3.9 23.2 1.0
CG2 A:ILE807 4.1 26.9 1.0
C A:VAL329 4.1 22.4 1.0
CD A:GLU786 4.2 23.0 1.0
CD A:GLU334 4.2 28.1 1.0
OE2 A:GLU334 4.3 28.1 1.0
CG A:ASN783 4.3 19.2 1.0
K A:K1102 4.4 50.5 1.0
CB A:ASP811 4.4 30.1 1.0
CA A:PRO333 4.4 26.2 1.0
N A:ALA330 4.5 23.2 1.0
N A:VAL332 4.5 25.4 1.0
N A:PRO333 4.5 26.2 1.0
N A:ASN331 4.5 27.1 1.0
C A:ASN331 4.5 27.1 1.0
OE2 A:GLU786 4.7 23.0 1.0
CA A:VAL332 4.7 25.4 1.0
ND2 A:ASN783 4.8 19.2 1.0
O A:ASN331 4.8 27.1 1.0
CA A:ASN331 5.0 27.1 1.0
N A:GLU334 5.0 28.1 1.0

Reference:

R.Kanai, F.Cornelius, B.Vilsen, C.Toyoshima. Cryo-Electron Microscopy of Na + ,K + -Atpase Reveals How the Extracellular Gate Locks in the E2·2K + State. Febs Lett. V. 596 2513 2022.
ISSN: ISSN 0014-5793
PubMed: 35747985
DOI: 10.1002/1873-3468.14437
Page generated: Sat Aug 9 15:17:27 2025

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