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Potassium in PDB 4hz3: Mthk Pore Crystallized in Presence of Tbsb

Protein crystallography data

The structure of Mthk Pore Crystallized in Presence of Tbsb, PDB code: 4hz3 was solved by D.J.Posson, J.G.Mccoy, C.M.Nimigean, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 36.13 / 1.70
Space group P 1
Cell size a, b, c (Å), α, β, γ (°) 43.965, 63.396, 63.311, 89.99, 89.95, 90.00
R / Rfree (%) 17.3 / 19.2

Potassium Binding Sites:

The binding sites of Potassium atom in the Mthk Pore Crystallized in Presence of Tbsb (pdb code 4hz3). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 8 binding sites of Potassium where determined in the Mthk Pore Crystallized in Presence of Tbsb, PDB code: 4hz3:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Potassium binding site 1 out of 8 in 4hz3

Go back to Potassium Binding Sites List in 4hz3
Potassium binding site 1 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K201

b:21.9
occ:1.00
O D:TYR62 2.8 17.3 1.0
O B:TYR62 2.8 16.7 1.0
O A:TYR62 2.8 16.6 1.0
O C:TYR62 2.8 17.9 1.0
O D:GLY61 3.0 16.9 1.0
O B:GLY61 3.0 17.2 1.0
O A:GLY61 3.0 17.6 1.0
O C:GLY61 3.0 15.9 1.0
K D:K202 3.4 18.9 1.0
C A:TYR62 3.4 18.2 1.0
C B:TYR62 3.4 18.3 1.0
C D:TYR62 3.4 18.6 1.0
C C:TYR62 3.4 16.7 1.0
CA B:TYR62 4.0 15.3 1.0
CA A:TYR62 4.0 14.4 1.0
CA D:TYR62 4.0 14.3 1.0
CA C:TYR62 4.0 14.6 1.0
C D:GLY61 4.1 17.0 1.0
C B:GLY61 4.1 16.9 1.0
C A:GLY61 4.1 17.8 1.0
C C:GLY61 4.1 16.6 1.0
N B:GLY63 4.2 17.5 1.0
N D:GLY63 4.2 16.7 1.0
N A:GLY63 4.2 17.5 1.0
N C:GLY63 4.2 18.9 1.0
CA C:GLY63 4.5 14.7 1.0
CA D:GLY63 4.5 14.3 1.0
CA A:GLY63 4.5 18.2 1.0
CA B:GLY63 4.5 15.1 1.0
N B:TYR62 4.5 16.7 1.0
N D:TYR62 4.5 16.2 1.0
N A:TYR62 4.6 15.1 1.0
N C:TYR62 4.6 15.8 1.0
O A:HOH304 4.6 52.1 1.0
O B:HOH316 4.6 45.1 1.0
O D:HOH315 4.7 43.8 1.0
O C:HOH315 4.8 46.2 1.0

Potassium binding site 2 out of 8 in 4hz3

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Potassium binding site 2 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K202

b:18.9
occ:1.00
O D:GLY61 2.7 16.9 1.0
O B:GLY61 2.7 17.2 1.0
O A:GLY61 2.7 17.6 1.0
O C:GLY61 2.7 15.9 1.0
O B:VAL60 2.8 17.0 1.0
O C:VAL60 2.9 15.9 1.0
O D:VAL60 2.9 17.2 1.0
O A:VAL60 2.9 16.9 1.0
K D:K203 3.2 17.2 1.0
K D:K201 3.4 21.9 1.0
C D:GLY61 3.4 17.0 1.0
C B:GLY61 3.4 16.9 1.0
C A:GLY61 3.4 17.8 1.0
C C:GLY61 3.5 16.6 1.0
CA D:GLY61 3.9 15.3 1.0
CA A:GLY61 3.9 15.3 1.0
CA B:GLY61 3.9 14.0 1.0
C B:VAL60 3.9 15.9 1.0
CA C:GLY61 3.9 15.8 1.0
C D:VAL60 4.0 18.0 1.0
C C:VAL60 4.0 16.4 1.0
C A:VAL60 4.0 18.1 1.0
N D:TYR62 4.3 16.2 1.0
N B:TYR62 4.3 16.7 1.0
N A:TYR62 4.4 15.1 1.0
N C:TYR62 4.4 15.8 1.0
N B:GLY61 4.4 16.6 1.0
N D:GLY61 4.4 17.2 1.0
N A:GLY61 4.4 16.2 1.0
N C:GLY61 4.4 15.9 1.0
CA B:TYR62 4.7 15.3 1.0
CA D:TYR62 4.8 14.3 1.0
CA C:TYR62 4.8 14.6 1.0
CA A:TYR62 4.8 14.4 1.0

Potassium binding site 3 out of 8 in 4hz3

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Potassium binding site 3 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K203

b:17.2
occ:1.00
O B:THR59 2.7 17.5 1.0
O C:THR59 2.7 16.1 1.0
O D:THR59 2.7 18.8 1.0
O A:THR59 2.7 17.7 1.0
O D:VAL60 2.9 17.2 1.0
O A:VAL60 2.9 16.9 1.0
O B:VAL60 2.9 17.0 1.0
O C:VAL60 2.9 15.9 1.0
K D:K202 3.2 18.9 1.0
K D:K204 3.4 18.2 1.0
C B:VAL60 3.6 15.9 1.0
C D:VAL60 3.6 18.0 1.0
C A:VAL60 3.6 18.1 1.0
C C:VAL60 3.6 16.4 1.0
C B:THR59 3.8 14.8 1.0
C D:THR59 3.8 16.0 1.0
C C:THR59 3.8 14.9 1.0
C A:THR59 3.8 16.9 1.0
CA B:VAL60 4.0 16.5 1.0
CA D:VAL60 4.0 14.9 1.0
CA C:VAL60 4.0 16.0 1.0
CA A:VAL60 4.1 16.3 1.0
N B:VAL60 4.4 15.7 1.0
N D:VAL60 4.4 15.2 1.0
N C:VAL60 4.4 14.6 1.0
N A:VAL60 4.4 15.0 1.0
N D:GLY61 4.5 17.2 1.0
N A:GLY61 4.5 16.2 1.0
N B:GLY61 4.5 16.6 1.0
N C:GLY61 4.5 15.9 1.0
CA D:GLY61 4.8 15.3 1.0
CA A:GLY61 4.8 15.3 1.0
CA C:GLY61 4.8 15.8 1.0
CA B:GLY61 4.8 14.0 1.0
CA B:THR59 5.0 13.2 1.0
CA D:THR59 5.0 14.2 1.0
CA A:THR59 5.0 14.4 1.0
CA C:THR59 5.0 15.6 1.0

Potassium binding site 4 out of 8 in 4hz3

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Potassium binding site 4 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K204

b:18.2
occ:1.00
O B:THR59 2.8 17.5 1.0
OG1 B:THR59 2.8 20.2 1.0
O C:THR59 2.8 16.1 1.0
O A:THR59 2.8 17.7 1.0
OG1 A:THR59 2.8 20.2 1.0
OG1 D:THR59 2.8 21.3 1.0
O D:THR59 2.8 18.8 1.0
OG1 C:THR59 2.8 19.7 1.0
K D:K203 3.4 17.2 1.0
CB C:THR59 3.4 17.3 1.0
CB A:THR59 3.4 18.1 1.0
CB B:THR59 3.4 17.9 1.0
CB D:THR59 3.4 19.4 1.0
C B:THR59 3.7 14.8 1.0
C A:THR59 3.8 16.9 1.0
C C:THR59 3.8 14.9 1.0
C D:THR59 3.8 16.0 1.0
CA B:THR59 4.2 13.2 1.0
CA C:THR59 4.2 15.6 1.0
CA A:THR59 4.2 14.4 1.0
CA D:THR59 4.3 14.2 1.0
CG2 C:THR59 4.7 20.2 1.0
CG2 A:THR59 4.7 19.9 1.0
CG2 B:THR59 4.7 22.8 1.0
CG2 D:THR59 4.7 20.6 1.0
N B:VAL60 4.8 15.7 1.0
N A:VAL60 4.8 15.0 1.0
N D:VAL60 4.8 15.2 1.0
N C:VAL60 4.8 14.6 1.0
O A:ALA58 4.9 19.7 1.0
O C:ALA58 5.0 18.3 1.0
O D:ALA58 5.0 18.5 1.0

Potassium binding site 5 out of 8 in 4hz3

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Potassium binding site 5 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K201

b:21.3
occ:1.00
O F:TYR62 2.8 17.3 1.0
O H:TYR62 2.8 17.2 1.0
O E:TYR62 2.8 18.4 1.0
O G:TYR62 2.8 17.3 1.0
O E:GLY61 3.0 17.2 1.0
O F:GLY61 3.0 17.6 1.0
O H:GLY61 3.0 17.2 1.0
O G:GLY61 3.0 16.9 1.0
K E:K202 3.4 18.4 1.0
C F:TYR62 3.4 16.9 1.0
C G:TYR62 3.4 17.4 1.0
C H:TYR62 3.4 17.2 1.0
C E:TYR62 3.4 17.7 1.0
CA F:TYR62 3.9 14.0 1.0
CA G:TYR62 4.0 17.5 1.0
CA E:TYR62 4.0 15.5 1.0
CA H:TYR62 4.0 15.1 1.0
C E:GLY61 4.1 19.1 1.0
C F:GLY61 4.1 18.8 1.0
C G:GLY61 4.1 18.4 1.0
C H:GLY61 4.1 17.5 1.0
N F:GLY63 4.2 17.7 1.0
N G:GLY63 4.2 16.6 1.0
N H:GLY63 4.2 18.2 1.0
N E:GLY63 4.3 17.7 1.0
N F:TYR62 4.5 16.0 1.0
CA F:GLY63 4.5 14.2 1.0
N E:TYR62 4.5 16.4 1.0
CA H:GLY63 4.5 16.5 1.0
CA G:GLY63 4.5 17.4 1.0
N G:TYR62 4.5 17.2 1.0
N H:TYR62 4.6 16.0 1.0
CA E:GLY63 4.6 15.0 1.0
O G:HOH314 4.6 44.7 1.0
O E:HOH315 4.7 38.6 1.0
O H:HOH314 4.7 43.8 1.0
O F:HOH316 4.7 38.3 1.0

Potassium binding site 6 out of 8 in 4hz3

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Potassium binding site 6 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K202

b:18.4
occ:1.00
O E:GLY61 2.7 17.2 1.0
O H:GLY61 2.7 17.2 1.0
O G:GLY61 2.8 16.9 1.0
O F:GLY61 2.8 17.6 1.0
O H:VAL60 2.8 17.4 1.0
O E:VAL60 2.8 16.7 1.0
O F:VAL60 2.8 16.4 1.0
O G:VAL60 2.8 17.4 1.0
K E:K203 3.2 17.2 1.0
K E:K201 3.4 21.3 1.0
C E:GLY61 3.4 19.1 1.0
C F:GLY61 3.5 18.8 1.0
C H:GLY61 3.5 17.5 1.0
C G:GLY61 3.5 18.4 1.0
CA E:GLY61 3.9 15.2 1.0
CA G:GLY61 3.9 17.0 1.0
CA F:GLY61 3.9 16.7 1.0
C H:VAL60 3.9 18.6 1.0
CA H:GLY61 3.9 15.5 1.0
C E:VAL60 4.0 16.9 1.0
C G:VAL60 4.0 15.9 1.0
C F:VAL60 4.0 16.9 1.0
N E:TYR62 4.3 16.4 1.0
N F:TYR62 4.4 16.0 1.0
N G:TYR62 4.4 17.2 1.0
N H:TYR62 4.4 16.0 1.0
N E:GLY61 4.4 16.9 1.0
N H:GLY61 4.4 16.9 1.0
N G:GLY61 4.4 16.9 1.0
N F:GLY61 4.5 16.8 1.0
CA E:TYR62 4.8 15.5 1.0
CA F:TYR62 4.8 14.0 1.0
CA H:TYR62 4.8 15.1 1.0
CA G:TYR62 4.8 17.5 1.0

Potassium binding site 7 out of 8 in 4hz3

Go back to Potassium Binding Sites List in 4hz3
Potassium binding site 7 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K203

b:17.2
occ:1.00
O G:THR59 2.7 17.6 1.0
O E:THR59 2.7 17.5 1.0
O F:THR59 2.7 18.2 1.0
O H:THR59 2.7 15.8 1.0
O E:VAL60 2.9 16.7 1.0
O H:VAL60 2.9 17.4 1.0
O G:VAL60 2.9 17.4 1.0
O F:VAL60 2.9 16.4 1.0
K E:K202 3.2 18.4 1.0
K E:K204 3.4 19.2 1.0
C H:VAL60 3.6 18.6 1.0
C E:VAL60 3.6 16.9 1.0
C G:VAL60 3.6 15.9 1.0
C F:VAL60 3.6 16.9 1.0
C G:THR59 3.8 17.1 1.0
C H:THR59 3.8 15.1 1.0
C F:THR59 3.8 17.3 1.0
C E:THR59 3.8 15.2 1.0
CA H:VAL60 4.0 15.5 1.0
CA G:VAL60 4.0 15.2 1.0
CA E:VAL60 4.0 16.7 1.0
CA F:VAL60 4.1 15.1 1.0
N F:VAL60 4.4 14.8 1.0
N G:VAL60 4.4 15.2 1.0
N E:VAL60 4.4 15.4 1.0
N H:VAL60 4.4 15.5 1.0
N E:GLY61 4.5 16.9 1.0
N G:GLY61 4.5 16.9 1.0
N H:GLY61 4.5 16.9 1.0
N F:GLY61 4.5 16.8 1.0
CA E:GLY61 4.8 15.2 1.0
CA F:GLY61 4.8 16.7 1.0
CA G:GLY61 4.8 17.0 1.0
CA H:GLY61 4.8 15.5 1.0
CA G:THR59 5.0 15.1 1.0
CA E:THR59 5.0 15.1 1.0
CA H:THR59 5.0 14.1 1.0
CA F:THR59 5.0 13.5 1.0

Potassium binding site 8 out of 8 in 4hz3

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Potassium binding site 8 out of 8 in the Mthk Pore Crystallized in Presence of Tbsb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Mthk Pore Crystallized in Presence of Tbsb within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K204

b:19.2
occ:1.00
OG1 F:THR59 2.8 20.4 1.0
OG1 G:THR59 2.8 20.1 1.0
O F:THR59 2.8 18.2 1.0
O G:THR59 2.8 17.6 1.0
O H:THR59 2.8 15.8 1.0
O E:THR59 2.8 17.5 1.0
OG1 H:THR59 2.8 19.8 1.0
OG1 E:THR59 2.9 20.7 1.0
K E:K203 3.4 17.2 1.0
CB G:THR59 3.4 18.2 1.0
CB H:THR59 3.4 17.8 1.0
CB F:THR59 3.4 18.0 1.0
CB E:THR59 3.5 17.6 1.0
C F:THR59 3.7 17.3 1.0
C G:THR59 3.7 17.1 1.0
C H:THR59 3.8 15.1 1.0
C E:THR59 3.8 15.2 1.0
CA H:THR59 4.2 14.1 1.0
CA G:THR59 4.2 15.1 1.0
CA F:THR59 4.2 13.5 1.0
CA E:THR59 4.2 15.1 1.0
CG2 G:THR59 4.7 20.8 1.0
CG2 H:THR59 4.7 22.3 1.0
CG2 F:THR59 4.7 22.3 1.0
CG2 E:THR59 4.7 20.5 1.0
N F:VAL60 4.8 14.8 1.0
N G:VAL60 4.8 15.2 1.0
N H:VAL60 4.8 15.5 1.0
N E:VAL60 4.8 15.4 1.0
O H:ALA58 4.9 18.3 1.0
O E:ALA58 5.0 19.2 1.0
O G:ALA58 5.0 19.3 1.0
O F:ALA58 5.0 17.7 1.0

Reference:

D.J.Posson, J.G.Mccoy, C.M.Nimigean. The Voltage-Dependent Gate in Mthk Potassium Channels Is Located at the Selectivity Filter. Nat.Struct.Mol.Biol. V. 20 159 2013.
ISSN: ISSN 1545-9993
PubMed: 23262489
DOI: 10.1038/NSMB.2473
Page generated: Sun Dec 13 23:31:22 2020

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