Potassium in PDB 3or6: On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q

The structure of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q, PDB code: 3or6 was solved by S.Chakrapani, J.F.Cordero-Morales, V.Jogini, E.Perozo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.70
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	155.679, 155.679, 76.109, 90.00, 90.00, 90.00
R / Rfree (%)	22.6 / 26.8

The binding sites of Potassium atom in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q (pdb code 3or6). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 7 binding sites of Potassium where determined in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q, PDB code: 3or6:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7;

Potassium binding site 1 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K1 b:37.2 occ:0.25 O C:TYR78 3.2 29.0 1.0 K C:K2 3.4 36.1 0.2 C C:TYR78 3.6 29.8 1.0 O C:GLY77 3.6 31.1 1.0 N C:GLY79 4.2 31.4 1.0 CA C:TYR78 4.3 30.1 1.0 CA C:GLY79 4.4 28.4 1.0 K C:K7 4.4 95.9 0.2 C C:GLY77 4.7 33.0 1.0 N C:TYR78 5.0 33.2 1.0

Potassium binding site 2 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K2 b:36.1 occ:0.25 O C:GLY77 3.1 31.1 1.0 O C:VAL76 3.2 32.0 1.0 K C:K3 3.2 39.8 0.2 K C:K1 3.4 37.2 0.2 C C:GLY77 4.0 33.0 1.0 C C:VAL76 4.3 32.7 1.0 CA C:GLY77 4.7 33.1 1.0 N C:TYR78 4.8 33.2 1.0 CA C:TYR78 4.9 30.1 1.0 N C:GLY77 5.0 34.7 1.0

Potassium binding site 3 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K3 b:39.8 occ:0.25 O C:THR75 3.1 32.8 1.0 O C:VAL76 3.2 32.0 1.0 K C:K2 3.2 36.1 0.2 K C:K4 3.3 43.5 0.2 C C:VAL76 3.9 32.7 1.0 CA C:VAL76 4.1 30.5 1.0 C C:THR75 4.2 32.8 1.0 N C:VAL76 4.7 32.1 1.0 N C:GLY77 4.9 34.7 1.0

Potassium binding site 4 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K4 b:43.5 occ:0.25 O C:THR75 3.3 32.8 1.0 K C:K3 3.3 39.8 0.2 OG1 C:THR75 3.4 34.7 1.0 CB C:THR75 3.7 33.4 1.0 C C:THR75 4.1 32.8 1.0 CA C:THR75 4.6 33.7 1.0 N C:VAL76 4.9 32.1 1.0 CG2 C:THR75 4.9 32.1 1.0

Potassium binding site 5 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K5 b:31.4 occ:0.25 O C:HOH126 3.4 61.4 1.0 O C:HOH125 3.5 42.1 1.0

Potassium binding site 6 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K6 b:0.1 occ:0.25 K C:K7 3.0 95.9 0.2 O C:HOH127 3.5 55.6 1.0

Potassium binding site 7 out of 7 in the On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of On the Structural Basis of Modal Gating Behavior in K+Channels - E71Q within 5.0Å range: probe atom residue distance (Å) B Occ C:K7 b:95.9 occ:0.25 K C:K6 3.0 0.1 0.3 O C:HOH127 4.1 55.6 1.0 O C:TYR78 4.4 29.0 1.0 K C:K1 4.4 37.2 0.2 CA C:GLY79 4.9 28.4 1.0 O C:GLY79 4.9 27.6 1.0

S.Chakrapani, J.F.Cordero-Morales, V.Jogini, A.C.Pan, D.M.Cortes, B.Roux, E.Perozo. On the Structural Basis of Modal Gating Behavior in K(+) Channels. Nat.Struct.Mol.Biol. V. 18 67 2011.
ISSN: ISSN 1545-9993
PubMed: 21186363
DOI: 10.1038/NSMB.1968