Chlorine in PDB 4qf9: Structure of GLUK1 Ligand-Binding Domain (S1S2) in Complex with (S)-2- Amino-4-(2,3-Dioxo-1,2,3,4-Tetrahydroquinoxalin-6-Yl)Butanoic Acid at 2.28 A Resolution

The structure of Structure of GLUK1 Ligand-Binding Domain (S1S2) in Complex with (S)-2- Amino-4-(2,3-Dioxo-1,2,3,4-Tetrahydroquinoxalin-6-Yl)Butanoic Acid at 2.28 A Resolution, PDB code: 4qf9 was solved by C.M.Kristensen, K.Frydenvang, J.S.Kastrup, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.39 / 2.28
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	117.265, 86.802, 78.282, 90.00, 111.62, 90.00
R / Rfree (%)	19.8 / 24.6

The binding sites of Chlorine atom in the Structure of GLUK1 Ligand-Binding Domain (S1S2) in Complex with (S)-2- Amino-4-(2,3-Dioxo-1,2,3,4-Tetrahydroquinoxalin-6-Yl)Butanoic Acid at 2.28 A Resolution (pdb code 4qf9). 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 GLUK1 Ligand-Binding Domain (S1S2) in Complex with (S)-2- Amino-4-(2,3-Dioxo-1,2,3,4-Tetrahydroquinoxalin-6-Yl)Butanoic Acid at 2.28 A Resolution, PDB code: 4qf9:

Chlorine binding site 1 out of 1 in the Structure of GLUK1 Ligand-Binding Domain (S1S2) in Complex with (S)-2- Amino-4-(2,3-Dioxo-1,2,3,4-Tetrahydroquinoxalin-6-Yl)Butanoic Acid at 2.28 A Resolution


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Structure of GLUK1 Ligand-Binding Domain (S1S2) in Complex with (S)-2- Amino-4-(2,3-Dioxo-1,2,3,4-Tetrahydroquinoxalin-6-Yl)Butanoic Acid at 2.28 A Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl304 b:63.5 occ:0.50 NZ A:LYS171 3.1 64.6 1.0 ND2 A:ASN172 3.5 36.7 1.0 CE A:LYS171 4.5 59.9 1.0 CG A:ASN172 4.5 31.6 1.0 CB A:ASN172 4.6 30.9 1.0

C.S.Demmer, C.Mller, P.M.Brown, L.Han, D.S.Pickering, B.Nielsen, D.Bowie, K.Frydenvang, J.S.Kastrup, L.Bunch. Binding Mode of An Alpha-Amino Acid-Linked Quinoxaline-2,3-Dione Analogue at Glutamate Receptor Subtype GLUK1. Acs Chem Neurosci 2015.
PubMed: 25856736
DOI: 10.1021/ACSCHEMNEURO.5B00038