Arsenic in PDB 2xq4: Pentameric Ligand Gated Ion Channel Glic in Complex with Tetramethylarsonium (Tmas)

The structure of Pentameric Ligand Gated Ion Channel Glic in Complex with Tetramethylarsonium (Tmas), PDB code: 2xq4 was solved by R.J.C.Hilf, C.Bertozzi, I.Zimmermann, A.Reiter, D.Trauner, R.Dutzler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.20 / 3.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	183.314, 128.310, 164.374, 90.00, 104.04, 90.00
R / Rfree (%)	25.9 / 27.2

The binding sites of Arsenic atom in the Pentameric Ligand Gated Ion Channel Glic in Complex with Tetramethylarsonium (Tmas) (pdb code 2xq4). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total only one binding site of Arsenic was determined in the Pentameric Ligand Gated Ion Channel Glic in Complex with Tetramethylarsonium (Tmas), PDB code: 2xq4:

Arsenic binding site 1 out of 1 in the Pentameric Ligand Gated Ion Channel Glic in Complex with Tetramethylarsonium (Tmas)


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Pentameric Ligand Gated Ion Channel Glic in Complex with Tetramethylarsonium (Tmas) within 5.0Å range: probe atom residue distance (Å) B Occ C:As1317 b:0.7 occ:1.00 OG C:SER229 3.9 0.4 1.0 OG B:SER229 4.8 0.9 1.0 OG E:SER229 4.9 0.8 1.0

R.J.C.Hilf, C.Bertozzi, I.Zimmermann, A.Reiter, D.Trauner, R.Dutzler. Structural Basis of Open Channel Block in A Prokaryotic Pentameric Ligand-Gated Ion Channel Nat.Struct.Mol.Biol. V. 17 1330 2010.
ISSN: ISSN 1545-9993
PubMed: 21037567
DOI: 10.1038/NSMB.1933