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Rubidium in PDB 3fb8: Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion

Protein crystallography data

The structure of Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion, PDB code: 3fb8 was solved by L.G.Cuello, V.Jogini, D.M.Cortes, E.Perozo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 40.00 / 3.40
Space group I 4
Cell size a, b, c (Å), α, β, γ (°) 155.636, 155.636, 73.033, 90.00, 90.00, 90.00
R / Rfree (%) 28.4 / 30.4

Rubidium Binding Sites:

The binding sites of Rubidium atom in the Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion (pdb code 3fb8). This binding sites where shown within 5.0 Angstroms radius around Rubidium atom.
In total 4 binding sites of Rubidium where determined in the Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion, PDB code: 3fb8:
Jump to Rubidium binding site number: 1; 2; 3; 4;

Rubidium binding site 1 out of 4 in 3fb8

Go back to Rubidium Binding Sites List in 3fb8
Rubidium binding site 1 out of 4 in the Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion


Mono view


Stereo pair view

A full contact list of Rubidium with other atoms in the Rb binding site number 1 of Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Rb1

b:45.8
occ:0.25
O C:THR75 3.1 57.9 1.0
OG1 C:THR75 3.2 54.6 1.0
CB C:THR75 3.6 56.5 1.0
RB C:RB4 3.9 74.3 0.2
C C:THR75 3.9 58.5 1.0
CA C:THR75 4.4 57.4 1.0
CG2 C:THR75 4.7 56.2 1.0
N C:VAL76 4.9 59.0 1.0

Rubidium binding site 2 out of 4 in 3fb8

Go back to Rubidium Binding Sites List in 3fb8
Rubidium binding site 2 out of 4 in the Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion


Mono view


Stereo pair view

A full contact list of Rubidium with other atoms in the Rb binding site number 2 of Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Rb2

b:57.0
occ:0.25
O C:TYR78 3.1 56.1 1.0
O C:GLY77 3.2 58.5 1.0
C C:TYR78 3.7 57.5 1.0
CA C:TYR78 4.0 58.8 1.0
C C:GLY77 4.2 59.6 1.0
N C:GLY79 4.6 58.3 1.0
N C:TYR78 4.6 57.8 1.0

Rubidium binding site 3 out of 4 in 3fb8

Go back to Rubidium Binding Sites List in 3fb8
Rubidium binding site 3 out of 4 in the Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion


Mono view


Stereo pair view

A full contact list of Rubidium with other atoms in the Rb binding site number 3 of Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion within 5.0Å range:

Rubidium binding site 4 out of 4 in 3fb8

Go back to Rubidium Binding Sites List in 3fb8
Rubidium binding site 4 out of 4 in the Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion


Mono view


Stereo pair view

A full contact list of Rubidium with other atoms in the Rb binding site number 4 of Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Rb4

b:74.3
occ:0.25
O C:VAL76 2.9 65.4 1.0
O C:THR75 3.2 57.9 1.0
C C:VAL76 3.8 62.5 1.0
RB C:RB1 3.9 45.8 0.2
O C:GLY77 4.0 58.5 1.0
CA C:VAL76 4.3 61.1 1.0
C C:THR75 4.3 58.5 1.0
N C:GLY77 4.7 61.7 1.0
N C:VAL76 4.8 59.0 1.0
C C:GLY77 4.9 59.6 1.0
CA C:GLY77 5.0 61.7 1.0

Reference:

L.G.Cuello, V.Jogini, D.M.Cortes, E.Perozo. Kcsa Potassium Channel in the Open-Conductive State with 20 A Opening at T112 in the Presence of Rb+ Ion To Be Published.
Page generated: Mon Jan 25 16:02:01 2021

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