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Potassium in PDB 7n9l: KIRBAC3.1 C71S C262S

Protein crystallography data

The structure of KIRBAC3.1 C71S C262S, PDB code: 7n9l was solved by J.M.Gulbis, K.A.Black, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 47.80 / 2.40
Space group P 4 21 2
Cell size a, b, c (Å), α, β, γ (°) 106.884, 106.884, 89.76, 90, 90, 90
R / Rfree (%) 22.8 / 25.8

Potassium Binding Sites:

The binding sites of Potassium atom in the KIRBAC3.1 C71S C262S (pdb code 7n9l). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 9 binding sites of Potassium where determined in the KIRBAC3.1 C71S C262S, PDB code: 7n9l:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9;

Potassium binding site 1 out of 9 in 7n9l

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Potassium binding site 1 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K406

b:48.0
occ:0.24
 O A:GLY98 2.8 39.8 1.0
O A:TYR99 2.8 48.4 1.0
C A:TYR99 3.5 48.7 1.0
HA3 A:GLY100 3.8 63.6 1.0
HA A:TYR99 3.9 59.0 1.0
C A:GLY98 4.0 44.2 1.0
CA A:TYR99 4.2 49.1 1.0
N A:GLY100 4.2 50.4 1.0
CA A:GLY100 4.4 53.0 1.0
HA2 A:GLY100 4.6 63.6 1.0
N A:TYR99 4.6 40.3 1.0
H A:GLY100 4.9 60.5 1.0
HA3 A:GLY98 5.0 50.9 1.0

Potassium binding site 2 out of 9 in 7n9l

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Potassium binding site 2 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K408

b:39.0
occ:0.23
 O A:THR96 2.8 41.5 1.0
O A:ILE97 2.8 36.6 1.0
K A:K409 3.3 37.2 0.2
C A:ILE97 3.5 45.5 1.0
HA A:ILE97 3.7 55.4 1.0
C A:THR96 3.9 41.6 1.0
CA A:ILE97 4.1 46.2 1.0
HA3 A:GLY98 4.3 50.9 1.0
N A:GLY98 4.5 43.0 1.0
N A:ILE97 4.5 41.8 1.0
HB A:THR96 4.7 52.4 1.0
CA A:GLY98 4.8 42.4 1.0
O A:GLY98 4.9 39.8 1.0

Potassium binding site 3 out of 9 in 7n9l

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Potassium binding site 3 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K409

b:37.2
occ:0.25
 OG1 A:THR96 2.8 44.8 1.0
O A:THR96 2.9 41.5 1.0
HB A:THR96 3.3 52.4 1.0
K A:K408 3.3 39.0 0.2
HG1 A:THR96 3.5 53.7 1.0
CB A:THR96 3.6 43.7 1.0
C A:THR96 3.8 41.6 1.0
CA A:THR96 4.4 41.4 1.0
HA A:ILE97 4.4 55.4 1.0
O A:ALA95 4.7 43.7 1.0
N A:ILE97 4.7 41.8 1.0
HG21 A:THR96 4.8 45.0 1.0
CG2 A:THR96 4.8 37.5 1.0
HA A:THR96 4.9 49.7 1.0

Potassium binding site 4 out of 9 in 7n9l

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Potassium binding site 4 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K410

b:109.2
occ:0.25
 HA3 A:GLY100 3.9 63.6 1.0
O A:TYR99 4.5 48.4 1.0
CA A:GLY100 4.8 53.0 1.0
O A:GLY100 4.8 49.6 1.0

Potassium binding site 5 out of 9 in 7n9l

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Potassium binding site 5 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K411

b:111.9
occ:0.25
 K A:K412 3.0 80.4 0.2
HAAA A:TMO405 3.7 68.5 1.0
HH A:TYR132 3.9 71.7 1.0
HE2 A:TYR132 4.0 65.2 1.0
HADA A:TMO405 4.2 93.1 1.0
HADB A:TMO405 4.3 93.1 1.0
HAA A:TMO405 4.5 68.5 1.0
CAA A:TMO405 4.6 57.1 1.0
OH A:TYR132 4.7 59.7 1.0
CAD A:TMO405 4.7 77.5 1.0
CE2 A:TYR132 4.8 54.3 1.0

Potassium binding site 6 out of 9 in 7n9l

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Potassium binding site 6 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K412

b:80.4
occ:0.21
 K A:K411 3.0 111.9 0.2
HE2 A:TYR132 3.1 65.2 1.0
CE2 A:TYR132 3.4 54.3 1.0
HH A:TYR132 3.5 71.7 1.0
CZ A:TYR132 3.7 50.4 1.0
OH A:TYR132 3.8 59.7 1.0
CD2 A:TYR132 4.1 47.0 1.0
HD2 A:TYR132 4.3 56.5 1.0
CE1 A:TYR132 4.7 41.5 1.0
HAAA A:TMO405 4.7 68.5 1.0
K A:K415 5.0 107.4 0.2

Potassium binding site 7 out of 9 in 7n9l

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Potassium binding site 7 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K413

b:102.0
occ:0.25
 HB1 A:ALA128 3.7 50.1 1.0
HB3 A:ALA128 4.1 50.1 1.0
CB A:ALA128 4.3 41.8 1.0
HB2 A:ALA128 4.4 50.1 1.0
K A:K415 4.4 107.4 0.2

Potassium binding site 8 out of 9 in 7n9l

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Potassium binding site 8 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K414

b:90.5
occ:1.00
 HD22 A:LEU124 3.2 72.0 1.0
HG23 A:THR96 3.5 45.0 1.0
HG21 A:THR96 3.8 45.0 1.0
HD23 A:LEU124 3.8 72.0 1.0
HG1 A:THR96 3.9 53.7 1.0
CD2 A:LEU124 4.0 60.0 1.0
CG2 A:THR96 4.1 37.5 1.0
HA A:MET121 4.1 65.2 1.0
HB2 A:LEU124 4.3 49.1 1.0
OG1 A:THR96 4.4 44.8 1.0
HD21 A:LEU124 4.5 72.0 1.0
O A:MET94 4.6 45.3 1.0
HA A:ALA95 4.6 44.2 1.0
O A:GLY120 4.6 51.9 1.0
O A:ALA95 4.6 43.7 1.0
HB3 A:LEU124 4.7 49.1 1.0
C A:GLY120 4.8 55.0 1.0
CB A:LEU124 4.8 40.9 1.0
HG22 A:THR96 4.8 45.0 1.0
CA A:MET121 4.9 54.3 1.0
HB2 A:MET121 4.9 77.2 1.0
N A:MET121 4.9 55.1 1.0
CB A:THR96 5.0 43.7 1.0

Potassium binding site 9 out of 9 in 7n9l

Go back to Potassium Binding Sites List in 7n9l
Potassium binding site 9 out of 9 in the KIRBAC3.1 C71S C262S


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of KIRBAC3.1 C71S C262S within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K415

b:107.4
occ:0.25
 K A:K413 4.4 102.0 0.2
HB2 A:TYR132 4.6 35.6 1.0
CG A:TYR132 4.8 53.4 1.0
CD1 A:TYR132 4.8 46.1 1.0
HD1 A:TYR132 4.9 55.3 1.0
K A:K412 5.0 80.4 0.2
HB3 A:TYR132 5.0 35.6 1.0

Reference:

J.M.Gulbis, K.A.Black. Ion Currents Through Kir Potassium Channels Are Gated By Anionic Lipids. Nat Commun 2021.
ISSN: ESSN 2041-1723
Page generated: Sat Aug 9 13:43:13 2025

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