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Potassium in PDB 7siz: C-Type Inactivation in A Voltage Gated K+ Channel

Protein crystallography data

The structure of C-Type Inactivation in A Voltage Gated K+ Channel, PDB code: 7siz was solved by R.Reddi, E.A.Riederer, K.Matulef, M.R.Whorton, F.I.Valiyaveetil, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 47.75 / 3.10
Space group P 4 21 2
Cell size a, b, c (Å), α, β, γ (°) 130.732, 130.732, 278.858, 90, 90, 90
R / Rfree (%) 23.6 / 26.5

Potassium Binding Sites:

Pages:

>>> Page 1 <<< Page 2, Binding sites: 11 - 12;

Binding sites:

The binding sites of Potassium atom in the C-Type Inactivation in A Voltage Gated K+ Channel (pdb code 7siz). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 12 binding sites of Potassium where determined in the C-Type Inactivation in A Voltage Gated K+ Channel, PDB code: 7siz:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 12 in 7siz

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Potassium binding site 1 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K501

b:123.0
occ:0.25
 K B:K502 3.3 173.6 0.2
O B:TYR373 4.3 78.9 1.0
K B:K504 4.6 83.1 0.2
O B:GLY374 4.8 88.0 1.0
CA B:GLY374 4.9 83.9 1.0

Potassium binding site 2 out of 12 in 7siz

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Potassium binding site 2 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K502

b:173.6
occ:0.25
 K B:K501 3.3 123.0 0.2

Potassium binding site 3 out of 12 in 7siz

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Potassium binding site 3 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K503

b:79.6
occ:0.25
 O B:GLY372 2.7 79.8 1.0
O B:VAL371 2.7 73.2 1.0
K B:K505 2.8 72.0 0.2
C B:GLY372 3.5 84.9 1.0
K B:K504 3.5 83.1 0.2
C B:VAL371 3.8 73.7 1.0
CA B:GLY372 3.9 83.9 1.0
N B:GLY372 4.3 86.0 1.0
N B:TYR373 4.5 84.0 1.0
CA B:TYR373 5.0 76.5 1.0
O B:THR370 5.0 90.5 1.0

Potassium binding site 4 out of 12 in 7siz

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Potassium binding site 4 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K504

b:83.1
occ:0.25
 O B:TYR373 2.8 78.9 1.0
O B:GLY372 2.9 79.8 1.0
C B:TYR373 3.5 77.4 1.0
K B:K503 3.5 79.6 0.2
C B:GLY372 4.1 84.9 1.0
CA B:TYR373 4.2 76.5 1.0
N B:GLY374 4.2 82.4 1.0
CA B:GLY374 4.5 83.9 1.0
N B:TYR373 4.6 84.0 1.0
K B:K501 4.6 123.0 0.2

Potassium binding site 5 out of 12 in 7siz

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Potassium binding site 5 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K505

b:72.0
occ:0.25
 K B:K503 2.8 79.6 0.2
O B:THR370 2.8 90.5 1.0
O B:VAL371 2.8 73.2 1.0
C B:VAL371 3.5 73.7 1.0
K B:K506 3.6 87.5 0.2
C B:THR370 3.9 90.9 1.0
CA B:VAL371 4.0 72.3 1.0
N B:GLY372 4.4 86.0 1.0
N B:VAL371 4.4 76.6 1.0
CA B:GLY372 4.7 83.9 1.0
O B:GLY372 4.9 79.8 1.0

Potassium binding site 6 out of 12 in 7siz

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Potassium binding site 6 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K506

b:87.5
occ:0.25
 O B:THR370 2.8 90.5 1.0
OG1 B:THR370 2.9 78.7 1.0
CB B:THR370 3.4 85.8 1.0
K B:K505 3.6 72.0 0.2
C B:THR370 3.8 90.9 1.0
CA B:THR370 4.3 88.5 1.0
CG2 B:THR370 4.7 81.9 1.0
O B:THR369 4.7 71.1 1.0
N B:VAL371 4.8 76.6 1.0

Potassium binding site 7 out of 12 in 7siz

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Potassium binding site 7 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K501

b:132.4
occ:0.25
 O D:VAL371 2.8 139.2 1.0
O D:GLY372 2.8 170.7 1.0
K D:K504 3.1 191.2 0.2
C D:GLY372 3.7 166.8 1.0
K D:K502 3.8 90.2 0.1
C D:VAL371 3.9 138.9 1.0
CA D:GLY372 4.1 164.2 1.0
N D:GLY372 4.4 161.2 1.0
N D:TYR373 4.8 126.4 1.0

Potassium binding site 8 out of 12 in 7siz

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Potassium binding site 8 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K502

b:90.2
occ:0.14
 O D:THR370 2.9 131.8 1.0
O D:VAL371 2.9 139.2 1.0
K D:K505 3.1 168.9 0.2
K D:K501 3.8 132.4 0.2
C D:VAL371 3.8 138.9 1.0
C D:THR370 3.9 130.3 1.0
CA D:VAL371 4.0 143.2 1.0
OG1 D:THR370 4.3 124.9 1.0
N D:VAL371 4.5 145.0 1.0

Potassium binding site 9 out of 12 in 7siz

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Potassium binding site 9 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K503

b:193.3
occ:0.25
 K D:K506 3.8 145.5 0.2

Potassium binding site 10 out of 12 in 7siz

Go back to Potassium Binding Sites List in 7siz
Potassium binding site 10 out of 12 in the C-Type Inactivation in A Voltage Gated K+ Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of C-Type Inactivation in A Voltage Gated K+ Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K504

b:191.2
occ:0.25
 O D:GLY372 2.8 170.7 1.0
O D:TYR373 2.8 123.9 1.0
K D:K501 3.1 132.4 0.2
C D:TYR373 3.8 123.3 1.0
C D:GLY372 4.0 166.8 1.0
CA D:TYR373 4.2 120.7 1.0
N D:TYR373 4.6 126.4 1.0
N D:GLY374 4.8 120.2 1.0

Reference:

R.Reddi, K.Matulef, E.A.Riederer, M.R.Whorton, F.I.Valiyaveetil. Structural Basis For C-Type Inactivation in A Shaker Family Voltage-Gated K + Channel. Sci Adv V. 8 M8804 2022.
ISSN: ESSN 2375-2548
PubMed: 35452285
DOI: 10.1126/SCIADV.ABM8804
Page generated: Sat Aug 9 14:53:05 2025

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