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Potassium in PDB 7pa0: Nak C-Di F92A Mutant with Rb+ and K+

Protein crystallography data

The structure of Nak C-Di F92A Mutant with Rb+ and K+, PDB code: 7pa0 was solved by S.Minniberger, A.J.R.Plested, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 40.44 / 1.95
Space group C 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 80.874, 87.312, 49.105, 90, 90, 90
R / Rfree (%) 20.3 / 24.8

Other elements in 7pa0:

The structure of Nak C-Di F92A Mutant with Rb+ and K+ also contains other interesting chemical elements:

Rubidium (Rb) 3 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Nak C-Di F92A Mutant with Rb+ and K+ (pdb code 7pa0). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Nak C-Di F92A Mutant with Rb+ and K+, PDB code: 7pa0:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 7pa0

Go back to Potassium Binding Sites List in 7pa0
Potassium binding site 1 out of 2 in the Nak C-Di F92A Mutant with Rb+ and K+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Nak C-Di F92A Mutant with Rb+ and K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K214

b:51.3
occ:0.29
K A:K215 2.9 80.5 0.5
O A:HOH310 3.0 45.0 1.0
HA3 A:GLY65 3.1 49.0 1.0
RB A:RB202 3.1 31.6 0.5
HA3 B:GLY65 3.2 44.6 1.0
O A:VAL64 3.4 32.1 1.0
O B:VAL64 3.4 34.3 1.0
CA A:GLY65 4.1 40.8 1.0
CA B:GLY65 4.2 37.1 1.0
C A:VAL64 4.4 36.0 1.0
C B:VAL64 4.5 32.6 1.0
C A:GLY65 4.5 42.0 1.0
H B:CYS66 4.6 71.0 1.0
HA2 A:GLY65 4.6 49.0 1.0
C B:GLY65 4.7 46.1 1.0
N A:GLY65 4.7 35.5 1.0
H A:CYS66 4.7 64.0 1.0
HA2 B:GLY65 4.8 44.6 1.0
N B:CYS66 4.8 59.2 1.0
N A:CYS66 4.8 53.4 1.0
N B:GLY65 4.8 33.8 1.0
O A:CYS66 5.0 64.3 1.0

Potassium binding site 2 out of 2 in 7pa0

Go back to Potassium Binding Sites List in 7pa0
Potassium binding site 2 out of 2 in the Nak C-Di F92A Mutant with Rb+ and K+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Nak C-Di F92A Mutant with Rb+ and K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K215

b:80.5
occ:0.53
K A:K214 2.9 51.3 0.3
O A:HOH310 3.2 45.0 1.0
O B:CYS66 3.6 69.9 1.0
O A:CYS66 3.6 64.3 1.0
HA A:ASP67 4.2 79.2 1.0
HA B:ASP67 4.3 91.1 1.0
C A:CYS66 4.4 60.6 1.0
C B:CYS66 4.4 65.0 1.0
H B:CYS66 4.6 71.0 1.0
HA3 A:GLY65 4.8 49.0 1.0
H A:CYS66 4.8 64.0 1.0
HA3 B:GLY65 4.9 44.6 1.0
N B:CYS66 4.9 59.2 1.0
HB3 A:ASP67 4.9 91.1 1.0
N A:CYS66 4.9 53.4 1.0
N A:ASP67 5.0 61.8 1.0
CA A:ASP67 5.0 66.0 1.0

Reference:

S.Minniberger, S.Abdolvand, S.Braunbeck, H.Sun, A.J.R.Plested. Asymmetry and Ion Selectivity Properties in the Bacterial Channel Nak Mimicking Ionotropic Glutamate Receptors To Be Published.
Page generated: Mon Aug 12 19:52:16 2024

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