Atomistry » Potassium » PDB 1gup-1k4c » 1j95
Atomistry »
  Potassium »
    PDB 1gup-1k4c »
      1j95 »

Potassium in PDB 1j95: Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium

Protein crystallography data

The structure of Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium, PDB code: 1j95 was solved by J.H.Morais-Cabral, R.Mackinnon, M.Zhou, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.80
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 128.900, 67.400, 112.000, 90.00, 125.30, 90.00
R / Rfree (%) 29.8 / 32.2

Potassium Binding Sites:

The binding sites of Potassium atom in the Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium (pdb code 1j95). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium, PDB code: 1j95:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 1j95

Go back to Potassium Binding Sites List in 1j95
Potassium binding site 1 out of 4 in the Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K201

b:53.3
occ:1.00
O B:GLY77 2.9 90.2 1.0
O C:GLY77 2.9 84.4 1.0
O B:TYR78 2.9 56.9 1.0
K A:K202 2.9 75.8 1.0
O A:GLY77 3.0 86.5 1.0
O C:TYR78 3.1 65.1 1.0
O A:TYR78 3.1 68.0 1.0
O D:GLY77 3.1 91.3 1.0
O D:TYR78 3.1 50.4 1.0
C B:TYR78 3.2 63.5 1.0
C C:TYR78 3.3 69.4 1.0
C A:TYR78 3.4 72.2 1.0
C D:TYR78 3.5 64.8 1.0
CA B:TYR78 3.6 66.6 1.0
CA A:TYR78 3.7 71.5 1.0
CA C:TYR78 3.8 68.9 1.0
CA D:TYR78 3.8 67.8 1.0
C B:GLY77 3.9 76.4 1.0
C C:GLY77 3.9 77.6 1.0
N B:GLY79 4.0 65.9 1.0
C A:GLY77 4.0 83.4 1.0
N C:GLY79 4.0 75.2 1.0
C D:GLY77 4.1 78.0 1.0
N A:GLY79 4.1 76.0 1.0
N D:GLY79 4.2 74.5 1.0
N B:TYR78 4.2 69.5 1.0
N A:TYR78 4.3 79.4 1.0
N C:TYR78 4.3 76.0 1.0
CA B:GLY79 4.4 72.1 1.0
N D:TYR78 4.5 75.1 1.0
CA C:GLY79 4.5 78.0 1.0
CA A:GLY79 4.6 80.1 1.0
CA D:GLY79 4.6 75.0 1.0
CB B:TYR78 4.9 72.2 1.0
O A:VAL76 4.9 76.5 1.0
O B:VAL76 4.9 74.5 1.0
CB A:TYR78 5.0 63.7 1.0
O C:VAL76 5.0 66.2 1.0

Potassium binding site 2 out of 4 in 1j95

Go back to Potassium Binding Sites List in 1j95
Potassium binding site 2 out of 4 in the Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K202

b:75.8
occ:1.00
O A:VAL76 2.6 76.5 1.0
O C:VAL76 2.6 66.2 1.0
O B:VAL76 2.6 74.5 1.0
O D:VAL76 2.7 66.2 1.0
O B:GLY77 2.8 90.2 1.0
O C:GLY77 2.8 84.4 1.0
O A:GLY77 2.8 86.5 1.0
O D:GLY77 2.8 91.3 1.0
K A:K201 2.9 53.3 1.0
K A:K203 3.3 80.0 1.0
C B:GLY77 3.5 76.4 1.0
C C:GLY77 3.5 77.6 1.0
C A:GLY77 3.5 83.4 1.0
C D:GLY77 3.6 78.0 1.0
C A:VAL76 3.8 76.0 1.0
C C:VAL76 3.8 65.3 1.0
C B:VAL76 3.8 72.8 1.0
C D:VAL76 3.9 69.2 1.0
CA B:GLY77 4.2 73.5 1.0
CA C:GLY77 4.2 70.4 1.0
CA A:GLY77 4.2 83.7 1.0
CA D:GLY77 4.2 73.7 1.0
N A:TYR78 4.3 79.4 1.0
N B:TYR78 4.3 69.5 1.0
N C:TYR78 4.3 76.0 1.0
N D:TYR78 4.3 75.1 1.0
N A:GLY77 4.5 82.6 1.0
N B:GLY77 4.5 74.2 1.0
N C:GLY77 4.5 70.6 1.0
CA B:TYR78 4.5 66.6 1.0
CA D:TYR78 4.5 67.8 1.0
CA A:TYR78 4.5 71.5 1.0
N D:GLY77 4.5 72.4 1.0
CA C:TYR78 4.5 68.9 1.0
C B:TYR78 4.9 63.5 1.0
C D:TYR78 4.9 64.8 1.0
C C:TYR78 4.9 69.4 1.0
C A:TYR78 4.9 72.2 1.0
CA A:VAL76 4.9 74.8 1.0
CA C:VAL76 5.0 59.7 1.0

Potassium binding site 3 out of 4 in 1j95

Go back to Potassium Binding Sites List in 1j95
Potassium binding site 3 out of 4 in the Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K203

b:80.0
occ:1.00
O A:THR75 2.5 90.3 1.0
O A:VAL76 2.6 76.5 1.0
O B:THR75 2.6 86.3 1.0
O B:VAL76 2.7 74.5 1.0
O D:THR75 2.7 94.5 1.0
O D:VAL76 2.8 66.2 1.0
O C:THR75 2.8 0.0 1.0
O C:VAL76 2.9 66.2 1.0
C A:VAL76 3.2 76.0 1.0
K A:K202 3.3 75.8 1.0
C B:VAL76 3.4 72.8 1.0
CA A:VAL76 3.5 74.8 1.0
C D:VAL76 3.5 69.2 1.0
K B:K204 3.5 64.1 1.0
C A:THR75 3.5 88.2 1.0
C B:THR75 3.6 83.6 1.0
C C:VAL76 3.6 65.3 1.0
CA D:VAL76 3.7 70.7 1.0
CA B:VAL76 3.7 70.4 1.0
C D:THR75 3.8 89.8 1.0
C C:THR75 3.8 90.6 1.0
CA C:VAL76 3.9 59.7 1.0
N A:VAL76 3.9 83.4 1.0
N B:VAL76 4.1 78.8 1.0
N D:VAL76 4.2 82.4 1.0
N C:VAL76 4.3 77.8 1.0
N A:GLY77 4.4 82.6 1.0
N B:GLY77 4.5 74.2 1.0
N D:GLY77 4.6 72.4 1.0
N C:GLY77 4.7 70.6 1.0
CA A:THR75 4.8 88.5 1.0
CA B:THR75 4.8 82.0 1.0
CB A:VAL76 4.9 63.6 1.0

Potassium binding site 4 out of 4 in 1j95

Go back to Potassium Binding Sites List in 1j95
Potassium binding site 4 out of 4 in the Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Kcsa Potassium Channel with Tba (Tetrabutylammonium) and Potassium within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K204

b:64.1
occ:1.00
O B:THR75 2.6 86.3 1.0
O C:THR75 2.7 0.0 1.0
O D:THR75 2.8 94.5 1.0
O A:THR75 2.8 90.3 1.0
OG1 C:THR75 2.9 86.3 1.0
OG1 B:THR75 2.9 86.8 1.0
OG1 A:THR75 3.0 84.0 1.0
OG1 D:THR75 3.1 91.5 1.0
CB C:THR75 3.3 83.8 1.0
CB B:THR75 3.4 80.3 1.0
K A:K203 3.5 80.0 1.0
CB D:THR75 3.5 87.8 1.0
CB A:THR75 3.5 86.3 1.0
C B:THR75 3.6 83.6 1.0
C C:THR75 3.6 90.6 1.0
C A:THR75 3.7 88.2 1.0
C D:THR75 3.8 89.8 1.0
CA C:THR75 4.1 87.9 1.0
CA B:THR75 4.2 82.0 1.0
CA A:THR75 4.3 88.5 1.0
CA D:THR75 4.3 89.7 1.0
O B:THR74 4.5 77.3 1.0
O C:THR74 4.6 81.0 1.0
CG2 C:THR75 4.6 83.7 1.0
O A:THR74 4.6 81.2 1.0
N B:VAL76 4.6 78.8 1.0
CG2 B:THR75 4.7 79.5 1.0
N C:VAL76 4.7 77.8 1.0
O D:THR74 4.7 83.2 1.0
N A:VAL76 4.7 83.4 1.0
CG2 D:THR75 4.8 94.9 1.0
C11 A:TBA204 4.8 53.2 1.0
C21 A:TBA204 4.8 56.5 1.0
CG2 A:THR75 4.8 86.4 1.0
N D:VAL76 4.8 82.4 1.0
C31 A:TBA204 4.9 74.5 1.0
CA B:VAL76 4.9 70.4 1.0
N1 A:TBA204 4.9 71.9 1.0
CA C:VAL76 5.0 59.7 1.0

Reference:

M.Zhou, J.H.Morais-Cabral, S.Mann, R.Mackinnon. Potassium Channel Receptor Site For the Inactivation Gate and Quaternary Amine Inhibitors Nature V. 411 657 2001.
ISSN: ISSN 0028-0836
PubMed: 11395760
DOI: 10.1038/35079500
Page generated: Sun Dec 13 22:43:41 2020

Last articles

Zn in 8WB0
Zn in 8WAX
Zn in 8WAU
Zn in 8WAZ
Zn in 8WAY
Zn in 8WAV
Zn in 8WAW
Zn in 8WAT
Zn in 8W7M
Zn in 8WD3
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy