Chlorine in PDB 6qa0: MSRB3 - Aa 1-137

All present enzymatic activity of MSRB3 - Aa 1-137:
1.8.4.12; 1.8.4.14;

The structure of MSRB3 - Aa 1-137, PDB code: 6qa0 was solved by G.Javitt, D.Fass, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	42.65 / 1.71
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	81.149, 85.713, 49.167, 90.00, 90.00, 90.00
R / Rfree (%)	17.4 / 22.2

The structure of MSRB3 - Aa 1-137 also contains other interesting chemical elements:

Zinc	(Zn)	2 atoms
Arsenic	(As)	2 atoms

The binding sites of Chlorine atom in the MSRB3 - Aa 1-137 (pdb code 6qa0). 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 MSRB3 - Aa 1-137, PDB code: 6qa0:

Chlorine binding site 1 out of 1 in the MSRB3 - Aa 1-137


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of MSRB3 - Aa 1-137 within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl202 b:34.0 occ:1.00 O A:HOH427 3.2 38.7 1.0 O B:HOH416 3.4 38.2 1.0 N A:ALA38 3.5 19.9 1.0 N B:ALA38 3.5 21.5 1.0 O B:HOH437 3.9 48.2 1.0 CB B:ALA38 4.0 25.7 1.0 CB A:ALA38 4.0 24.6 1.0 CA A:SER37 4.1 20.2 1.0 O A:HOH413 4.1 51.4 1.0 CA B:SER37 4.2 23.6 1.0 O B:HOH348 4.3 34.6 1.0 C A:SER37 4.3 20.3 1.0 CA A:ALA38 4.3 22.4 1.0 C B:SER37 4.4 24.2 1.0 CA B:ALA38 4.4 23.7 1.0 O A:HOH337 4.5 30.1 1.0 CB A:SER37 4.5 28.7 1.0 CB B:SER37 4.6 27.5 1.0 CZ2 A:TRP74 4.7 21.0 1.0 CZ2 B:TRP74 4.8 21.2 1.0 O B:HOH383 4.9 39.6 1.0 OG A:SER37 4.9 31.5 1.0

G.Javitt, C.Zhenbo, N.Bulleid, D.Fass. Structure of A Human Endoplasmic Reticulum Methionine Sulfoxide Reductase To Be Published.