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Potassium in PDB 8quc: Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1

Other elements in 8quc:

The structure of Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1 also contains other interesting chemical elements:

Zinc (Zn) 4 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1 (pdb code 8quc). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1, PDB code: 8quc:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in 8quc

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Potassium binding site 1 out of 5 in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1


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 KV3.1 in Complex with Modulator AUT1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K607

b:0.0
occ:1.00
 O D:TYR403 2.9 9.5 1.0
O A:TYR403 2.9 9.5 1.0
O B:TYR403 2.9 9.5 1.0
O C:TYR403 2.9 9.5 1.0
O D:GLY402 3.1 4.3 1.0
O B:GLY402 3.1 4.3 1.0
O A:GLY402 3.1 4.3 1.0
O C:GLY402 3.1 4.3 1.0
C D:TYR403 3.5 0.4 1.0
C A:TYR403 3.6 0.4 1.0
C B:TYR403 3.6 0.4 1.0
C C:TYR403 3.6 0.4 1.0
K A:K608 3.9 18.9 1.0
CA D:TYR403 4.2 0.0 1.0
C D:GLY402 4.2 1.1 1.0
C B:GLY402 4.2 1.1 1.0
C A:GLY402 4.2 1.1 1.0
CA A:TYR403 4.2 0.0 1.0
CA B:TYR403 4.2 0.0 1.0
C C:GLY402 4.3 1.1 1.0
CA C:TYR403 4.3 0.0 1.0
N D:GLY404 4.3 0.0 1.0
N B:GLY404 4.3 0.0 1.0
N A:GLY404 4.3 0.0 1.0
N C:GLY404 4.4 0.0 1.0
CA D:GLY404 4.6 3.5 1.0
CA B:GLY404 4.6 3.5 1.0
CA A:GLY404 4.6 3.5 1.0
CA C:GLY404 4.6 3.5 1.0
N D:TYR403 4.7 4.5 1.0
N A:TYR403 4.7 4.5 1.0
N B:TYR403 4.7 4.5 1.0
N C:TYR403 4.8 4.5 1.0

Potassium binding site 2 out of 5 in 8quc

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Potassium binding site 2 out of 5 in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1


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 KV3.1 in Complex with Modulator AUT1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K608

b:18.9
occ:1.00
 O D:LEU401 2.7 7.8 1.0
K A:K609 2.7 0.3 1.0
O A:LEU401 2.7 7.8 1.0
O B:LEU401 2.7 7.8 1.0
O C:LEU401 2.7 7.8 1.0
O D:GLY402 2.7 4.3 1.0
O B:GLY402 2.8 4.3 1.0
O A:GLY402 2.8 4.3 1.0
O C:GLY402 2.8 4.3 1.0
C D:GLY402 3.6 1.1 1.0
C B:GLY402 3.6 1.1 1.0
C A:GLY402 3.6 1.1 1.0
C C:GLY402 3.7 1.1 1.0
C D:LEU401 3.8 2.2 1.0
C A:LEU401 3.8 2.2 1.0
C B:LEU401 3.8 2.2 1.0
C C:LEU401 3.9 2.2 1.0
K A:K607 3.9 0.0 1.0
CA D:GLY402 4.0 0.0 1.0
CA B:GLY402 4.0 0.0 1.0
CA A:GLY402 4.0 0.0 1.0
CA C:GLY402 4.0 0.0 1.0
N D:GLY402 4.4 4.1 1.0
N B:GLY402 4.4 4.1 1.0
N A:GLY402 4.4 4.1 1.0
N C:GLY402 4.4 4.1 1.0
N D:TYR403 4.7 4.5 1.0
N A:TYR403 4.8 4.5 1.0
N B:TYR403 4.8 4.5 1.0
N C:TYR403 4.8 4.5 1.0

Potassium binding site 3 out of 5 in 8quc

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Potassium binding site 3 out of 5 in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1


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 KV3.1 in Complex with Modulator AUT1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K609

b:0.3
occ:1.00
 K A:K608 2.7 18.9 1.0
O D:LEU401 2.7 7.8 1.0
O A:LEU401 2.7 7.8 1.0
O B:LEU401 2.7 7.8 1.0
O C:LEU401 2.8 7.8 1.0
O D:THR400 3.0 15.3 1.0
O B:THR400 3.0 15.3 1.0
O A:THR400 3.0 15.3 1.0
O C:THR400 3.1 15.3 1.0
C D:LEU401 3.6 2.2 1.0
C A:LEU401 3.6 2.2 1.0
C B:LEU401 3.6 2.2 1.0
C C:LEU401 3.7 2.2 1.0
K A:K610 3.9 0.0 1.0
C D:THR400 4.1 4.1 1.0
C B:THR400 4.1 4.1 1.0
C A:THR400 4.1 4.1 1.0
C C:THR400 4.1 4.1 1.0
CA D:LEU401 4.2 0.0 1.0
CA A:LEU401 4.2 0.0 1.0
CA B:LEU401 4.2 0.0 1.0
CA C:LEU401 4.2 0.0 1.0
N D:GLY402 4.6 4.1 1.0
N D:LEU401 4.6 1.2 1.0
N B:GLY402 4.6 4.1 1.0
N B:LEU401 4.6 1.2 1.0
N A:LEU401 4.6 1.2 1.0
N A:GLY402 4.6 4.1 1.0
N C:GLY402 4.6 4.1 1.0
N C:LEU401 4.6 1.2 1.0
O D:GLY402 4.9 4.3 1.0
CA D:GLY402 4.9 0.0 1.0
O B:GLY402 4.9 4.3 1.0
O A:GLY402 4.9 4.3 1.0
CA B:GLY402 4.9 0.0 1.0
CA A:GLY402 4.9 0.0 1.0
O C:GLY402 4.9 4.3 1.0
CA C:GLY402 4.9 0.0 1.0

Potassium binding site 4 out of 5 in 8quc

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Potassium binding site 4 out of 5 in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1


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 Human KV3.1 in Complex with Modulator AUT1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K610

b:0.0
occ:1.00
 O B:THR400 3.1 15.3 1.0
O D:THR400 3.1 15.3 1.0
O A:THR400 3.1 15.3 1.0
O C:THR400 3.2 15.3 1.0
OG1 B:THR400 3.6 5.7 1.0
OG1 D:THR400 3.6 5.7 1.0
OG1 A:THR400 3.6 5.7 1.0
OG1 C:THR400 3.6 5.7 1.0
CB B:THR400 3.8 0.0 1.0
CB D:THR400 3.8 0.0 1.0
CB A:THR400 3.8 0.0 1.0
CB C:THR400 3.8 0.0 1.0
K A:K609 3.9 0.3 1.0
C B:THR400 4.1 4.1 1.0
C D:THR400 4.1 4.1 1.0
K A:K611 4.1 30.0 1.0
C A:THR400 4.2 4.1 1.0
C C:THR400 4.2 4.1 1.0
CA B:THR400 4.6 0.1 1.0
CA D:THR400 4.6 0.1 1.0
CA A:THR400 4.6 0.1 1.0
CA C:THR400 4.7 0.1 1.0
CG2 B:THR400 4.9 0.8 1.0
CG2 D:THR400 4.9 0.8 1.0
CG2 A:THR400 4.9 0.8 1.0
CG2 C:THR400 5.0 0.8 1.0
O B:THR399 5.0 10.8 1.0
O D:THR399 5.0 10.8 1.0
O A:THR399 5.0 10.8 1.0

Potassium binding site 5 out of 5 in 8quc

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Potassium binding site 5 out of 5 in the Cryo-Em Structure of Human KV3.1 in Complex with Modulator AUT1


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 Human KV3.1 in Complex with Modulator AUT1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K611

b:30.0
occ:1.00
 K A:K610 4.1 0.0 1.0
O D:HOH710 4.3 30.0 1.0
O A:HOH710 4.3 30.0 1.0
O B:HOH710 4.4 30.0 1.0
O C:HOH710 4.4 30.0 1.0
OG1 D:THR400 4.6 5.7 1.0
OG1 A:THR400 4.7 5.7 1.0
OG1 C:THR400 4.7 5.7 1.0
OG1 B:THR400 4.7 5.7 1.0

Reference:

Q.Liang, G.Chi, L.Cirqueira, L.Zhi, A.Marasco, N.Pilati, M.J.Gunthorpe, G.Alvaro, C.H.Large, D.B.Sauer, W.Treptow, M.Covarrubias. The Binding and Mechanism of A Positive Allosteric Modulator of KV3 Channels. Nat Commun V. 15 2533 2024.
ISSN: ESSN 2041-1723
PubMed: 38514618
DOI: 10.1038/S41467-024-46813-8
Page generated: Sat Aug 9 17:33:54 2025

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