Chlorine in PDB 3ger: Guanine Riboswitch Bound to 6-Chloroguanine

The structure of Guanine Riboswitch Bound to 6-Chloroguanine, PDB code: 3ger was solved by S.D.Gilbert, R.T.Batey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.93 / 1.70
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	132.100, 35.120, 41.810, 90.00, 90.03, 90.00
R / Rfree (%)	21.6 / 23.4

The structure of Guanine Riboswitch Bound to 6-Chloroguanine also contains other interesting chemical elements:

Cobalt

(Co)

12 atoms

The binding sites of Chlorine atom in the Guanine Riboswitch Bound to 6-Chloroguanine (pdb code 3ger). 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 Guanine Riboswitch Bound to 6-Chloroguanine, PDB code: 3ger:

Chlorine binding site 1 out of 1 in the Guanine Riboswitch Bound to 6-Chloroguanine


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Guanine Riboswitch Bound to 6-Chloroguanine within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl91 b:20.4 occ:1.00 CL6 A:6GU91 0.0 20.4 1.0 C6 A:6GU91 1.7 21.6 1.0 N1 A:6GU91 2.7 22.2 1.0 C5 A:6GU91 2.7 21.5 1.0 O A:HOH449 3.0 33.9 1.0 N4 A:C74 3.2 25.8 1.0 N7 A:6GU91 3.2 21.3 1.0 N6 A:A73 3.3 24.4 1.0 O A:HOH318 3.4 23.0 1.0 C6 A:A21 3.6 21.8 1.0 N6 A:A21 3.6 21.5 1.0 O2' A:U22 3.7 23.4 1.0 N1 A:A21 3.7 22.2 1.0 O A:HOH342 3.7 23.8 1.0 C2 A:6GU91 3.9 22.5 1.0 C4 A:6GU91 4.0 21.3 1.0 O A:HOH374 4.0 31.2 1.0 N3 A:C74 4.1 25.6 1.0 C4 A:C74 4.1 25.2 1.0 O2 A:U22 4.2 22.9 1.0 C5 A:A21 4.2 21.2 1.0 C2 A:A21 4.3 21.9 1.0 C6 A:A73 4.3 23.3 1.0 N3 A:6GU91 4.4 22.2 1.0 C8 A:6GU91 4.5 20.5 1.0 N3 A:U75 4.6 21.9 1.0 C4 A:A21 4.7 21.5 1.0 N3 A:A21 4.8 21.9 1.0 N7 A:A21 4.9 21.5 1.0 N9 A:6GU91 4.9 21.7 1.0 O4 A:U75 4.9 22.4 1.0 C2' A:U22 4.9 24.1 1.0 N1 A:A73 5.0 23.2 1.0 N2 A:6GU91 5.0 22.5 1.0 C2 A:U22 5.0 23.1 1.0

S.D.Gilbert, F.E.Reyes, A.L.Edwards, R.T.Batey. Adaptive Ligand Binding By the Purine Riboswitch in the Recognition of Guanine and Adenine Analogs Structure V. 17 857 2009.
ISSN: ISSN 0969-2126
PubMed: 19523903
DOI: 10.1016/J.STR.2009.04.009