Chlorine in PDB 3s3x: Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin

The structure of Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin, PDB code: 3s3x was solved by R.J.P.Dawson, J.Benz, P.Stohler, T.Tetaz, C.Joseph, S.Huber, G.Schmid, D.Huegin, P.Pflimlin, G.Trube, M.G.Rudolph, M.Hennig, A.Ruf, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.92 / 2.99
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	232.396, 109.442, 127.269, 90.00, 119.81, 90.00
R / Rfree (%)	21.8 / 24.9

The structure of Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin also contains other interesting chemical elements:

Potassium

(K)

2 atoms

The binding sites of Chlorine atom in the Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin (pdb code 3s3x). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin, PDB code: 3s3x:

Chlorine binding site 1 out of 1 in the Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Structure of Chicken Acid-Sensing Ion Channel 1 at 3.0 A Resolution in Complex with Psalmotoxin within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl464 b:94.1 occ:1.00 NE A:ARG310 3.5 74.4 1.0 NZ C:LYS212 3.8 57.9 1.0 NH1 A:ARG310 3.8 54.6 1.0 CG2 A:VAL353 3.8 49.6 1.0 OE2 A:GLU314 3.9 0.5 1.0 CZ A:ARG310 4.1 86.0 1.0 CA A:VAL353 4.1 64.5 1.0 CB A:ARG310 4.3 49.5 1.0 CG A:GLU314 4.3 87.1 1.0 CD C:LYS212 4.4 74.2 1.0 O A:LEU352 4.4 80.1 1.0 CG A:ARG310 4.4 67.9 1.0 CB A:VAL353 4.5 49.3 1.0 CD A:ARG310 4.5 61.0 1.0 CE C:LYS212 4.6 61.3 1.0 CD A:GLU314 4.6 96.3 1.0 N A:VAL353 4.8 65.8 1.0 CG A:LEU352 4.8 64.1 1.0 C A:LEU352 4.8 72.0 1.0 CG1 A:VAL353 4.8 43.9 1.0 CA A:ARG310 5.0 74.0 1.0 O A:VAL353 5.0 94.4 1.0

R.J.Dawson, J.Benz, P.Stohler, T.Tetaz, C.Joseph, S.Huber, G.Schmid, D.Hugin, P.Pflimlin, G.Trube, M.G.Rudolph, M.Hennig, A.Ruf. Structure of the Acid-Sensing Ion Channel 1 in Complex with the Gating Modifier Psalmotoxin 1. Nat Commun V. 3 936 2012.
ISSN: ESSN 2041-1723
PubMed: 22760635
DOI: 10.1038/NCOMMS1917