Chlorine in PDB 2wlj: Potassium Channel From Magnetospirillum Magnetotacticum

The structure of Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2wlj was solved by O.B.Clarke, A.T.Caputo, B.J.Smith, J.M.Gulbis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.60
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	105.627, 109.385, 88.786, 90.00, 90.00, 90.00
R / Rfree (%)	22 / 24.3

The structure of Potassium Channel From Magnetospirillum Magnetotacticum also contains other interesting chemical elements:

Potassium	(K)	2 atoms
Calcium	(Ca)	1 atom

The binding sites of Chlorine atom in the Potassium Channel From Magnetospirillum Magnetotacticum (pdb code 2wlj). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 3 binding sites of Chlorine where determined in the Potassium Channel From Magnetospirillum Magnetotacticum, PDB code: 2wlj:
Jump to Chlorine binding site number: 1; 2; 3;

Chlorine binding site 1 out of 3 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1302 b:80.4 occ:1.00 O A:HOH2053 3.3 52.1 1.0 NE A:ARG202 3.7 56.5 1.0 CE A:MET215 3.8 58.4 1.0 NH2 A:ARG202 4.3 52.7 1.0 OG1 A:THR201 4.3 56.5 1.0 CZ A:ARG202 4.4 55.3 1.0 CB A:ARG202 4.5 52.9 1.0 CD A:ARG202 4.6 56.9 1.0 O A:HOH2045 4.8 49.2 1.0 CG A:ARG202 5.0 53.9 1.0

Chlorine binding site 2 out of 3 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1304 b:56.6 occ:1.00 C9 A:SPM1303 3.1 38.4 0.5 N A:SER203 3.2 50.3 1.0 C8 A:SPM1303 3.2 37.4 0.5 NE A:ARG204 3.3 53.0 0.7 C8 A:SPM1303 3.4 41.5 0.5 NH2 A:ARG204 3.4 52.4 0.7 CA A:ARG202 3.8 51.9 1.0 OG A:SER203 3.8 50.2 1.0 CZ A:ARG204 3.8 53.5 0.7 N A:ARG204 3.8 52.5 1.0 C A:ARG202 3.9 50.7 1.0 N10 A:SPM1303 4.0 38.1 0.5 C9 A:SPM1303 4.0 42.4 0.5 CA A:SER203 4.2 49.5 1.0 CG A:ARG202 4.2 53.9 1.0 CB A:ARG204 4.3 53.6 0.7 C A:SER203 4.4 50.9 1.0 CB A:ARG202 4.4 52.9 1.0 CG A:ARG204 4.4 52.1 0.7 CD A:ARG204 4.5 50.6 0.7 CB A:ARG204 4.5 54.7 0.3 C7 A:SPM1303 4.6 37.1 0.5 CB A:SER203 4.6 48.4 1.0 CA A:ARG204 4.7 52.7 0.7 C7 A:SPM1303 4.7 40.6 0.5 CA A:ARG204 4.7 53.3 0.3 N5 A:SPM1303 4.9 43.5 0.5 O A:THR201 4.9 54.5 1.0 C6 A:SPM1303 4.9 40.8 0.5 N A:ARG202 4.9 51.4 1.0

Chlorine binding site 3 out of 3 in the Potassium Channel From Magnetospirillum Magnetotacticum


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Potassium Channel From Magnetospirillum Magnetotacticum within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1306 b:0.7 occ:1.00 NH2 A:ARG167 3.7 74.6 1.0 CZ A:ARG167 3.8 73.2 1.0 NE A:ARG167 3.8 71.7 1.0 CA A:GLY141 3.8 53.8 1.0 OG1 A:THR139 4.2 66.6 1.0 CG A:ARG167 4.4 66.0 1.0 NH1 A:ARG167 4.5 71.8 1.0 N A:GLY141 4.6 55.1 1.0 CD A:ARG167 4.7 68.0 1.0 CB A:LEU166 4.7 58.0 1.0 CD1 A:LEU166 5.0 54.7 1.0

O.B.Clarke, A.T.Caputo, A.P.Hill, J.I.Vandenberg, B.J.Smith, J.M.Gulbis. Domain Reorientation and Rotation of An Intracellular Assembly Regulate Conduction in Kir Potassium Channels. Cell(Cambridge,Mass.) V. 141 1018 2010.
ISSN: ISSN 0092-8674
PubMed: 20564790
DOI: 10.1016/J.CELL.2010.05.003