Chlorine in PDB 8fax: Fab 1249A8-Mers Stem Helix Complex

The structure of Fab 1249A8-Mers Stem Helix Complex, PDB code: 8fax was solved by A.Deshpande, N.Schormann, M.S.Piepenbrink, L.Martinez-Sobrido, J.J.Kobie, M.R.Walter, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.76 / 2.10
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	52.714, 56.308, 76.124, 90, 91.19, 90
R / Rfree (%)	18.2 / 24

The structure of Fab 1249A8-Mers Stem Helix Complex also contains other interesting chemical elements:

Magnesium

(Mg)

9 atoms

The binding sites of Chlorine atom in the Fab 1249A8-Mers Stem Helix Complex (pdb code 8fax). 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 Fab 1249A8-Mers Stem Helix Complex, PDB code: 8fax:

Chlorine binding site 1 out of 1 in the Fab 1249A8-Mers Stem Helix Complex


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Fab 1249A8-Mers Stem Helix Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl301 b:31.6 occ:1.00 O B:HOH443 3.0 30.9 1.0 N B:ARG30 3.2 27.4 1.0 NE B:ARG30 3.3 29.3 1.0 NE2 B:HIS91 3.3 31.8 1.0 NH2 B:ARG30 3.6 31.6 1.0 CA B:ILE29 3.6 21.2 1.0 CB B:ILE29 3.7 25.4 1.0 CZ B:ARG30 3.9 33.2 1.0 C B:ILE29 3.9 22.3 1.0 CE1 B:HIS91 4.1 28.2 1.0 CB B:ARG30 4.1 29.1 1.0 CG2 B:ILE29 4.1 28.3 1.0 CA B:ARG30 4.2 28.0 1.0 CG B:ARG30 4.2 27.7 1.0 CB B:TYR33 4.2 24.3 1.0 CD1 B:TYR33 4.3 29.0 1.0 CG B:TYR33 4.3 29.1 1.0 CD B:ARG30 4.3 30.5 1.0 CD2 B:HIS91 4.4 25.2 1.0 O B:ARG30 4.5 26.5 1.0 C B:ARG30 4.9 27.4 1.0 O B:THR28 5.0 30.4 1.0 N B:ILE29 5.0 22.2 1.0

A.Deshpande, N.Schormann, M.S.Piepenbrink, L.Martinez Sobrido, J.J.Kobie, M.R.Walter. Structure and Epitope of A Neutralizing Monoclonal Antibody That Targets the Stem Helix of Beta Coronaviruses. Febs J. 2023.
ISSN: ISSN 1742-464X
PubMed: 37014961
DOI: 10.1111/FEBS.16777