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Potassium in PDB 4hyo: Crystal Structure of Mthk Pore

Protein crystallography data

The structure of Crystal Structure of Mthk Pore, PDB code: 4hyo 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) 44.86 / 1.65
Space group P 1
Cell size a, b, c (Å), α, β, γ (°) 44.035, 63.452, 63.477, 90.03, 89.99, 89.99
R / Rfree (%) 16.4 / 18.1

Potassium Binding Sites:

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

Potassium binding site 1 out of 8 in 4hyo

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Potassium binding site 1 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:13.1
occ:1.00
O A:TYR62 2.7 9.9 1.0
O B:TYR62 2.7 9.2 1.0
O C:TYR62 2.7 8.8 1.0
O D:TYR62 2.8 9.0 1.0
O C:GLY61 2.9 9.9 1.0
O B:GLY61 2.9 8.1 1.0
O A:GLY61 2.9 7.8 1.0
O D:GLY61 3.0 8.7 1.0
C C:TYR62 3.4 11.2 1.0
C A:TYR62 3.4 10.8 1.0
K A:K202 3.4 11.3 1.0
C B:TYR62 3.4 11.1 1.0
C D:TYR62 3.4 10.4 1.0
CA A:TYR62 3.9 6.7 1.0
CA C:TYR62 3.9 7.7 1.0
CA D:TYR62 3.9 7.8 1.0
CA B:TYR62 4.0 7.2 1.0
C C:GLY61 4.0 8.7 1.0
C A:GLY61 4.1 9.5 1.0
C B:GLY61 4.1 8.0 1.0
C D:GLY61 4.1 10.0 1.0
N C:GLY63 4.2 9.6 1.0
N A:GLY63 4.2 9.5 1.0
N B:GLY63 4.2 8.8 1.0
N D:GLY63 4.2 10.2 1.0
N C:TYR62 4.5 8.8 1.0
N A:TYR62 4.5 9.2 1.0
CA C:GLY63 4.5 8.7 1.0
N B:TYR62 4.5 9.4 1.0
N D:TYR62 4.5 9.1 1.0
O C:HOH326 4.5 40.5 1.0
CA B:GLY63 4.5 8.4 1.0
CA A:GLY63 4.5 9.0 1.0
CA D:GLY63 4.5 8.3 1.0
O A:HOH317 4.6 37.7 1.0
O D:HOH315 4.6 39.2 1.0
O B:HOH315 4.6 36.5 1.0

Potassium binding site 2 out of 8 in 4hyo

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Potassium binding site 2 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:11.3
occ:1.00
O C:GLY61 2.6 9.9 1.0
O B:GLY61 2.7 8.1 1.0
O A:GLY61 2.7 7.8 1.0
O D:GLY61 2.7 8.7 1.0
O C:VAL60 2.8 8.1 1.0
O A:VAL60 2.8 7.4 1.0
O B:VAL60 2.8 7.8 1.0
O D:VAL60 2.9 8.1 1.0
K A:K203 3.2 9.8 1.0
C C:GLY61 3.3 8.7 1.0
K A:K201 3.4 13.1 1.0
C B:GLY61 3.4 8.0 1.0
C A:GLY61 3.4 9.5 1.0
C D:GLY61 3.4 10.0 1.0
CA C:GLY61 3.8 6.7 1.0
CA B:GLY61 3.9 6.7 1.0
C C:VAL60 3.9 10.0 1.0
C A:VAL60 3.9 10.2 1.0
CA D:GLY61 3.9 7.1 1.0
CA A:GLY61 3.9 6.6 1.0
C B:VAL60 3.9 8.9 1.0
C D:VAL60 4.0 10.6 1.0
N C:TYR62 4.3 8.8 1.0
N A:TYR62 4.3 9.2 1.0
N B:TYR62 4.3 9.4 1.0
N D:TYR62 4.4 9.1 1.0
N C:GLY61 4.4 9.8 1.0
N B:GLY61 4.4 8.7 1.0
N A:GLY61 4.4 7.8 1.0
N D:GLY61 4.5 8.1 1.0
CA C:TYR62 4.7 7.7 1.0
CA A:TYR62 4.7 6.7 1.0
CA B:TYR62 4.7 7.2 1.0
CA D:TYR62 4.7 7.8 1.0

Potassium binding site 3 out of 8 in 4hyo

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Potassium binding site 3 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:9.8
occ:1.00
O C:THR59 2.6 11.1 1.0
O B:THR59 2.7 9.2 1.0
O A:THR59 2.7 9.7 1.0
O D:THR59 2.7 9.6 1.0
O C:VAL60 2.8 8.1 1.0
O A:VAL60 2.8 7.4 1.0
O B:VAL60 2.8 7.8 1.0
O D:VAL60 2.9 8.1 1.0
K A:K202 3.2 11.3 1.0
K A:K204 3.4 10.7 1.0
C C:VAL60 3.5 10.0 1.0
C A:VAL60 3.6 10.2 1.0
C B:VAL60 3.6 8.9 1.0
C D:VAL60 3.6 10.6 1.0
C C:THR59 3.8 8.4 1.0
C B:THR59 3.8 8.4 1.0
C A:THR59 3.8 7.7 1.0
C D:THR59 3.8 8.9 1.0
CA C:VAL60 4.0 7.2 1.0
CA A:VAL60 4.0 7.9 1.0
CA B:VAL60 4.0 6.3 1.0
CA D:VAL60 4.1 6.6 1.0
N C:VAL60 4.4 7.0 1.0
N B:VAL60 4.4 6.8 1.0
N A:VAL60 4.4 6.5 1.0
N D:VAL60 4.4 5.7 1.0
N C:GLY61 4.5 9.8 1.0
N B:GLY61 4.5 8.7 1.0
N A:GLY61 4.5 7.8 1.0
N D:GLY61 4.5 8.1 1.0
CA C:GLY61 4.8 6.7 1.0
CA B:GLY61 4.8 6.7 1.0
CA D:GLY61 4.8 7.1 1.0
CA A:GLY61 4.9 6.6 1.0
CA C:THR59 5.0 6.4 1.0
CA B:THR59 5.0 6.2 1.0
CA A:THR59 5.0 7.6 1.0
CA D:THR59 5.0 6.2 1.0

Potassium binding site 4 out of 8 in 4hyo

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Potassium binding site 4 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:10.7
occ:1.00
OG1 B:THR59 2.7 11.5 1.0
OG1 A:THR59 2.7 10.8 1.0
OG1 C:THR59 2.7 11.1 1.0
O C:THR59 2.8 11.1 1.0
OG1 D:THR59 2.8 10.9 1.0
O B:THR59 2.8 9.2 1.0
O A:THR59 2.8 9.7 1.0
O D:THR59 2.9 9.6 1.0
CB C:THR59 3.4 10.1 1.0
CB B:THR59 3.4 9.3 1.0
K A:K203 3.4 9.8 1.0
CB A:THR59 3.4 9.2 1.0
CB D:THR59 3.4 8.8 1.0
C C:THR59 3.7 8.4 1.0
C B:THR59 3.7 8.4 1.0
C A:THR59 3.8 7.7 1.0
C D:THR59 3.8 8.9 1.0
CA C:THR59 4.2 6.4 1.0
CA B:THR59 4.2 6.2 1.0
CA A:THR59 4.2 7.6 1.0
CA D:THR59 4.3 6.2 1.0
CG2 C:THR59 4.6 12.4 1.0
CG2 D:THR59 4.7 12.2 1.0
CG2 B:THR59 4.7 13.2 1.0
CG2 A:THR59 4.7 12.1 1.0
N C:VAL60 4.8 7.0 1.0
N B:VAL60 4.8 6.8 1.0
N A:VAL60 4.8 6.5 1.0
N D:VAL60 4.8 5.7 1.0
O C:ALA58 5.0 11.1 1.0

Potassium binding site 5 out of 8 in 4hyo

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Potassium binding site 5 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:13.2
occ:1.00
O H:TYR62 2.7 8.6 1.0
O F:TYR62 2.7 11.1 1.0
O E:TYR62 2.7 9.4 1.0
O G:TYR62 2.8 8.9 1.0
O H:GLY61 2.9 9.3 1.0
O E:GLY61 2.9 7.9 1.0
O F:GLY61 3.0 8.0 1.0
O G:GLY61 3.0 8.4 1.0
C H:TYR62 3.3 10.4 1.0
C F:TYR62 3.4 11.3 1.0
C E:TYR62 3.4 10.8 1.0
K E:K202 3.4 11.2 1.0
C G:TYR62 3.4 10.3 1.0
CA H:TYR62 3.9 7.9 1.0
CA E:TYR62 3.9 5.9 1.0
CA F:TYR62 3.9 7.1 1.0
CA G:TYR62 4.0 8.2 1.0
C H:GLY61 4.0 9.7 1.0
C E:GLY61 4.1 9.7 1.0
C F:GLY61 4.1 8.6 1.0
C G:GLY61 4.1 10.9 1.0
N H:GLY63 4.2 10.2 1.0
N E:GLY63 4.2 8.8 1.0
N F:GLY63 4.2 9.0 1.0
N G:GLY63 4.2 9.2 1.0
N H:TYR62 4.5 9.2 1.0
O H:HOH331 4.5 38.1 1.0
CA H:GLY63 4.5 8.0 1.0
N E:TYR62 4.5 7.7 1.0
CA E:GLY63 4.5 7.9 1.0
N F:TYR62 4.5 8.8 1.0
CA G:GLY63 4.5 9.5 1.0
CA F:GLY63 4.5 8.7 1.0
O E:HOH320 4.6 41.1 1.0
N G:TYR62 4.6 9.6 1.0
O G:HOH323 4.6 38.1 1.0
O F:HOH314 4.6 38.4 1.0

Potassium binding site 6 out of 8 in 4hyo

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Potassium binding site 6 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:11.2
occ:1.00
O H:GLY61 2.6 9.3 1.0
O E:GLY61 2.6 7.9 1.0
O F:GLY61 2.7 8.0 1.0
O G:GLY61 2.7 8.4 1.0
O H:VAL60 2.8 8.1 1.0
O F:VAL60 2.8 7.7 1.0
O E:VAL60 2.8 8.3 1.0
O G:VAL60 2.8 7.8 1.0
K E:K203 3.2 10.1 1.0
C H:GLY61 3.4 9.7 1.0
K E:K201 3.4 13.2 1.0
C E:GLY61 3.4 9.7 1.0
C F:GLY61 3.4 8.6 1.0
C G:GLY61 3.4 10.9 1.0
CA H:GLY61 3.9 7.0 1.0
CA E:GLY61 3.9 7.3 1.0
CA F:GLY61 3.9 7.3 1.0
C H:VAL60 3.9 10.2 1.0
C E:VAL60 3.9 9.9 1.0
C F:VAL60 3.9 9.0 1.0
CA G:GLY61 3.9 7.0 1.0
C G:VAL60 4.0 10.7 1.0
N H:TYR62 4.3 9.2 1.0
N E:TYR62 4.3 7.7 1.0
N F:TYR62 4.4 8.8 1.0
N H:GLY61 4.4 8.8 1.0
N G:TYR62 4.4 9.6 1.0
N E:GLY61 4.4 7.8 1.0
N F:GLY61 4.4 8.0 1.0
N G:GLY61 4.4 7.6 1.0
CA H:TYR62 4.7 7.9 1.0
CA E:TYR62 4.7 5.9 1.0
CA F:TYR62 4.7 7.1 1.0
CA G:TYR62 4.8 8.2 1.0

Potassium binding site 7 out of 8 in 4hyo

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Potassium binding site 7 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:10.1
occ:1.00
O H:THR59 2.6 9.6 1.0
O E:THR59 2.6 9.7 1.0
O F:THR59 2.7 9.7 1.0
O G:THR59 2.7 9.4 1.0
O F:VAL60 2.8 7.7 1.0
O E:VAL60 2.8 8.3 1.0
O H:VAL60 2.8 8.1 1.0
O G:VAL60 2.8 7.8 1.0
K E:K202 3.2 11.2 1.0
K E:K204 3.4 10.2 1.0
C H:VAL60 3.5 10.2 1.0
C F:VAL60 3.6 9.0 1.0
C E:VAL60 3.6 9.9 1.0
C G:VAL60 3.6 10.7 1.0
C H:THR59 3.8 8.3 1.0
C E:THR59 3.8 7.9 1.0
C F:THR59 3.8 7.9 1.0
C G:THR59 3.8 9.0 1.0
CA H:VAL60 4.0 8.3 1.0
CA E:VAL60 4.0 7.7 1.0
CA F:VAL60 4.0 7.5 1.0
CA G:VAL60 4.1 7.5 1.0
N H:VAL60 4.4 6.8 1.0
N E:VAL60 4.4 6.9 1.0
N F:VAL60 4.4 6.5 1.0
N G:VAL60 4.4 7.1 1.0
N H:GLY61 4.5 8.8 1.0
N F:GLY61 4.5 8.0 1.0
N E:GLY61 4.5 7.8 1.0
N G:GLY61 4.5 7.6 1.0
CA H:GLY61 4.8 7.0 1.0
CA F:GLY61 4.8 7.3 1.0
CA E:GLY61 4.8 7.3 1.0
CA G:GLY61 4.8 7.0 1.0
CA E:THR59 5.0 6.6 1.0
CA H:THR59 5.0 7.1 1.0
CA F:THR59 5.0 6.4 1.0
CA G:THR59 5.0 6.3 1.0

Potassium binding site 8 out of 8 in 4hyo

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Potassium binding site 8 out of 8 in the Crystal Structure of Mthk Pore


Mono view


Stereo pair view

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

b:10.2
occ:1.00
OG1 E:THR59 2.7 12.0 1.0
OG1 F:THR59 2.7 11.8 1.0
OG1 H:THR59 2.7 11.4 1.0
O H:THR59 2.8 9.6 1.0
OG1 G:THR59 2.8 11.4 1.0
O E:THR59 2.8 9.7 1.0
O F:THR59 2.8 9.7 1.0
O G:THR59 2.9 9.4 1.0
K E:K203 3.4 10.1 1.0
CB H:THR59 3.4 9.1 1.0
CB F:THR59 3.4 9.2 1.0
CB E:THR59 3.4 9.1 1.0
CB G:THR59 3.4 9.1 1.0
C H:THR59 3.7 8.3 1.0
C E:THR59 3.7 7.9 1.0
C F:THR59 3.8 7.9 1.0
C G:THR59 3.8 9.0 1.0
CA H:THR59 4.2 7.1 1.0
CA E:THR59 4.2 6.6 1.0
CA F:THR59 4.2 6.4 1.0
CA G:THR59 4.3 6.3 1.0
CG2 G:THR59 4.7 11.7 1.0
CG2 H:THR59 4.7 11.6 1.0
CG2 F:THR59 4.7 12.8 1.0
CG2 E:THR59 4.7 12.5 1.0
N H:VAL60 4.8 6.8 1.0
N F:VAL60 4.8 6.5 1.0
N E:VAL60 4.8 6.9 1.0
N G:VAL60 4.8 7.1 1.0
O H:ALA58 5.0 10.7 1.0
O F:ALA58 5.0 10.8 1.0
O G:ALA58 5.0 10.7 1.0
O E:ALA58 5.0 10.6 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 23:31:18 2020

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