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Potassium in PDB 3e8h: Crystal Structure of the the Open Nak Channel-K+ Complex

Protein crystallography data

The structure of Crystal Structure of the the Open Nak Channel-K+ Complex, PDB code: 3e8h was solved by Y.Jiang, A.Alam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 34.10 / 1.80
Space group I 4
Cell size a, b, c (Å), α, β, γ (°) 68.194, 68.194, 89.294, 90.00, 90.00, 90.00
R / Rfree (%) 21.2 / 23.4

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of the the Open Nak Channel-K+ Complex (pdb code 3e8h). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 10 binding sites of Potassium where determined in the Crystal Structure of the the Open Nak Channel-K+ Complex, PDB code: 3e8h:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Potassium binding site 1 out of 10 in 3e8h

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Potassium binding site 1 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1

b:7.8
occ:0.25
 O A:VAL64 2.8 15.8 1.0
O A:THR63 2.8 16.7 1.0
K A:K4 2.9 29.1 0.2
C A:VAL64 3.5 13.5 1.0
K A:K5 3.7 17.9 0.2
C A:THR63 4.0 16.1 1.0
CA A:VAL64 4.1 12.4 1.0
N A:GLY65 4.4 12.1 1.0
N A:VAL64 4.5 13.6 1.0
CA A:GLY65 4.7 16.4 1.0

Potassium binding site 2 out of 10 in 3e8h

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Potassium binding site 2 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K3

b:16.6
occ:0.25
 O A:GLY67 2.5 28.3 1.0
O A:HOH506 3.1 38.6 1.0
C A:GLY67 3.7 24.2 1.0
K A:K10 3.8 92.6 0.2
CA A:GLY67 4.5 22.9 1.0
N A:ASN68 4.7 19.7 1.0
CA A:ASN68 4.7 23.7 1.0
ND2 A:ASN68 5.0 24.6 1.0

Potassium binding site 3 out of 10 in 3e8h

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Potassium binding site 3 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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 the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K4

b:29.1
occ:0.25
 K A:K9 2.8 82.3 0.2
K A:K1 2.9 7.8 0.2
O A:HOH511 3.0 27.8 1.0
O A:VAL64 3.0 15.8 1.0
C A:VAL64 4.1 13.5 1.0
CA A:GLY65 4.1 16.4 1.0
C A:GLY65 4.6 19.9 1.0
N A:GLY65 4.6 12.1 1.0
O A:GLY65 4.8 18.5 1.0

Potassium binding site 4 out of 10 in 3e8h

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Potassium binding site 4 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K5

b:17.9
occ:0.25
 OG1 A:THR63 2.8 16.1 1.0
O A:THR63 3.0 16.7 1.0
CB A:THR63 3.5 18.9 1.0
K A:K1 3.7 7.8 0.2
C A:THR63 3.8 16.1 1.0
CA A:THR63 4.3 16.2 1.0
CG2 A:THR63 4.7 16.3 1.0
N A:VAL64 4.7 13.6 1.0

Potassium binding site 5 out of 10 in 3e8h

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Potassium binding site 5 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K9

b:82.3
occ:0.25
 O A:HOH511 2.7 27.8 1.0
K A:K4 2.8 29.1 0.2
CA A:GLY67 4.0 22.9 1.0
O A:ASP66 4.1 25.2 1.0
C A:ASP66 4.3 23.1 1.0
N A:GLY67 4.3 26.1 1.0
C A:GLY65 5.0 19.9 1.0

Potassium binding site 6 out of 10 in 3e8h

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Potassium binding site 6 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K10

b:92.6
occ:0.25
 O A:HOH506 3.3 38.6 1.0
K A:K3 3.8 16.6 0.2

Potassium binding site 7 out of 10 in 3e8h

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Potassium binding site 7 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K2

b:21.6
occ:0.25
 O B:THR63 2.7 26.8 1.0
K B:K7 2.9 55.5 0.2
O B:VAL64 3.0 30.0 1.0
C B:VAL64 3.5 28.9 1.0
K B:K6 3.6 25.9 0.2
C B:THR63 3.9 24.8 1.0
CA B:VAL64 4.1 26.3 1.0
N B:GLY65 4.4 30.3 1.0
N B:VAL64 4.5 25.4 1.0
CA B:GLY65 4.7 33.8 1.0

Potassium binding site 8 out of 10 in 3e8h

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Potassium binding site 8 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


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Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K6

b:25.9
occ:0.25
 OG1 B:THR63 2.8 25.2 1.0
O B:THR63 3.0 26.8 1.0
CB B:THR63 3.4 28.4 1.0
K B:K2 3.6 21.6 0.2
C B:THR63 3.8 24.8 1.0
CA B:THR63 4.3 25.5 1.0
CG2 B:THR63 4.6 19.3 1.0
N B:VAL64 4.7 25.4 1.0
O B:THR62 5.0 23.8 1.0

Potassium binding site 9 out of 10 in 3e8h

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Potassium binding site 9 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 9 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K7

b:55.5
occ:0.25
 O B:HOH504 2.9 43.9 1.0
K B:K2 2.9 21.6 0.2
O B:VAL64 3.0 30.0 1.0
C B:VAL64 4.1 28.9 1.0
CA B:GLY65 4.2 33.8 1.0
C B:GLY65 4.5 35.5 1.0
N B:GLY65 4.6 30.3 1.0
O B:GLY65 4.8 33.4 1.0

Potassium binding site 10 out of 10 in 3e8h

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Potassium binding site 10 out of 10 in the Crystal Structure of the the Open Nak Channel-K+ Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 10 of Crystal Structure of the the Open Nak Channel-K+ Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K8

b:48.0
occ:0.25
 O B:GLY67 2.7 63.0 1.0
C B:GLY67 3.8 59.1 1.0
CA B:GLY67 4.5 57.0 1.0
OD1 B:ASN68 4.6 60.4 1.0
N B:ASN68 4.7 60.4 1.0
CA B:ASN68 4.8 59.8 1.0

Reference:

A.Alam, Y.Jiang. Structural Analysis of Ion Selectivity in the Nak Channel Nat.Struct.Mol.Biol. V. 16 35 2009.
ISSN: ISSN 1545-9993
PubMed: 19098915
DOI: 10.1038/NSMB.1537
Page generated: Mon Aug 12 08:04:44 2024

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