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Potassium in PDB 3lnm: F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel

Protein crystallography data

The structure of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel, PDB code: 3lnm was solved by X.Tao, A.Lee, W.Limapichat, D.A.Dougherty, R.Mackinnon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 49.64 / 2.90
Space group P 4 21 2
Cell size a, b, c (Å), α, β, γ (°) 144.271, 144.271, 284.060, 90.00, 90.00, 90.00
R / Rfree (%) 21.1 / 24.7

Potassium Binding Sites:

The binding sites of Potassium atom in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel (pdb code 3lnm). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 10 binding sites of Potassium where determined in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel, PDB code: 3lnm:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 10 in 3lnm

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Potassium binding site 1 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K501

b:32.4
occ:0.50
 O B:TYR373 2.6 52.2 1.0
O B:GLY372 3.2 55.0 1.0
C B:TYR373 3.5 52.5 1.0
K B:K502 4.1 21.5 0.5
CA B:TYR373 4.2 51.2 1.0
C B:GLY372 4.3 54.1 1.0
N B:GLY374 4.4 54.2 1.0
CA B:GLY374 4.6 56.9 1.0
N B:TYR373 4.8 52.9 1.0

Potassium binding site 2 out of 10 in 3lnm

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Potassium binding site 2 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K502

b:21.5
occ:0.50
 O B:VAL371 2.6 49.9 1.0
O B:GLY372 2.7 55.0 1.0
K B:K503 2.9 28.8 0.5
C B:GLY372 3.4 54.1 1.0
C B:VAL371 3.7 51.8 1.0
CA B:GLY372 3.7 53.2 1.0
K B:K501 4.1 32.4 0.5
N B:GLY372 4.2 52.3 1.0
N B:TYR373 4.5 52.9 1.0
O B:THR370 4.9 53.4 1.0

Potassium binding site 3 out of 10 in 3lnm

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Potassium binding site 3 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K503

b:28.8
occ:0.50
 O B:VAL371 2.7 49.9 1.0
O B:THR370 2.7 53.4 1.0
K B:K502 2.9 21.5 0.5
C B:VAL371 3.4 51.8 1.0
K B:K504 3.8 26.8 0.5
C B:THR370 3.8 52.8 1.0
CA B:VAL371 4.0 51.5 1.0
N B:GLY372 4.4 52.3 1.0
N B:VAL371 4.4 52.2 1.0
CA B:GLY372 4.7 53.2 1.0
OG1 B:THR370 5.0 55.1 1.0

Potassium binding site 4 out of 10 in 3lnm

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Potassium binding site 4 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K504

b:26.8
occ:0.50
 OG1 B:THR370 2.7 55.1 1.0
O B:THR370 3.2 53.4 1.0
CB B:THR370 3.6 54.1 1.0
K B:K503 3.8 28.8 0.5
C B:THR370 4.1 52.8 1.0
CA B:THR370 4.5 52.8 1.0
K B:K505 4.5 64.4 0.5
CG2 B:THR370 4.7 52.7 1.0
O B:THR369 4.9 52.4 1.0

Potassium binding site 5 out of 10 in 3lnm

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Potassium binding site 5 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K505

b:64.4
occ:0.50
 K B:K504 4.5 26.8 0.5
OG1 B:THR370 4.8 55.1 1.0

Potassium binding site 6 out of 10 in 3lnm

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Potassium binding site 6 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K501

b:37.6
occ:0.50
 O D:TYR373 2.7 74.2 1.0
O D:GLY372 2.8 73.3 1.0
K D:K502 3.0 34.1 0.5
C D:TYR373 3.5 73.8 1.0
C D:GLY372 3.9 73.3 1.0
CA D:TYR373 4.1 72.7 1.0
N D:GLY374 4.4 74.5 1.0
N D:TYR373 4.5 73.2 1.0
CA D:GLY374 4.7 75.7 1.0

Potassium binding site 7 out of 10 in 3lnm

Go back to Potassium Binding Sites List in 3lnm
Potassium binding site 7 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K502

b:34.1
occ:0.50
 O D:GLY372 2.5 73.3 1.0
O D:VAL371 2.8 71.9 1.0
K D:K501 3.0 37.6 0.5
C D:GLY372 3.2 73.3 1.0
CA D:GLY372 3.6 73.1 1.0
C D:VAL371 3.9 73.0 1.0
K D:K503 3.9 41.9 0.5
N D:TYR373 4.2 73.2 1.0
N D:GLY372 4.2 73.2 1.0
CA D:TYR373 4.6 72.7 1.0
O D:TYR373 4.8 74.2 1.0
C D:TYR373 4.9 73.8 1.0

Potassium binding site 8 out of 10 in 3lnm

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Potassium binding site 8 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K503

b:41.9
occ:0.50
 O D:THR370 2.6 72.3 1.0
O D:VAL371 2.8 71.9 1.0
C D:VAL371 3.4 73.0 1.0
K D:K504 3.6 26.9 0.5
C D:THR370 3.6 71.7 1.0
CA D:VAL371 3.8 72.2 1.0
K D:K502 3.9 34.1 0.5
N D:VAL371 4.2 72.2 1.0
N D:GLY372 4.3 73.2 1.0
CA D:GLY372 4.8 73.1 1.0
CA D:THR370 4.8 70.1 1.0
CB D:THR370 4.9 69.4 1.0

Potassium binding site 9 out of 10 in 3lnm

Go back to Potassium Binding Sites List in 3lnm
Potassium binding site 9 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K504

b:26.9
occ:0.50
 OG1 D:THR370 2.9 67.6 1.0
O D:THR370 2.9 72.3 1.0
CB D:THR370 3.4 69.4 1.0
K D:K503 3.6 41.9 0.5
C D:THR370 3.9 71.7 1.0
CA D:THR370 4.4 70.1 1.0
K D:K505 4.6 53.2 0.5
CG2 D:THR370 4.6 69.7 1.0
O D:THR369 5.0 69.7 1.0

Potassium binding site 10 out of 10 in 3lnm

Go back to Potassium Binding Sites List in 3lnm
Potassium binding site 10 out of 10 in the F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of F233W Mutant of the KV2.1 Paddle-KV1.2 Chimera Channel within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K505

b:53.2
occ:0.50
 K D:K504 4.6 26.9 0.5
OG1 D:THR370 4.7 67.6 1.0

Reference:

X.Tao, A.Lee, W.Limapichat, D.A.Dougherty, R.Mackinnon. A Gating Charge Transfer Center in Voltage Sensors. Science V. 328 67 2010.
ISSN: ISSN 0036-8075
PubMed: 20360102
DOI: 10.1126/SCIENCE.1185954
Page generated: Mon Aug 12 08:45:03 2024

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