Arsenic in PDB 6bh7: Phosphotriesterase Variant R18+254S

The structure of Phosphotriesterase Variant R18+254S, PDB code: 6bh7 was solved by C.M.Miton, E.C.Campbell, C.J.Jackson, N.Tokuriki, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.04 / 1.40
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	85.673, 86.012, 88.676, 90.00, 90.00, 90.00
R / Rfree (%)	16.6 / 19.8

The structure of Phosphotriesterase Variant R18+254S also contains other interesting chemical elements:

Zinc

(Zn)

4 atoms

The binding sites of Arsenic atom in the Phosphotriesterase Variant R18+254S (pdb code 6bh7). 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 Phosphotriesterase Variant R18+254S, PDB code: 6bh7:

Arsenic binding site 1 out of 1 in the Phosphotriesterase Variant R18+254S


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Phosphotriesterase Variant R18+254S within 5.0Å range: probe atom residue distance (Å) B Occ G:As2403 b:19.0 occ:0.78 AS G:CAC2403 0.0 19.0 0.8 O2 G:CAC2403 1.7 18.5 0.8 O1 G:CAC2403 1.7 16.7 0.8 C2 G:CAC2403 2.0 19.6 0.8 C1 G:CAC2403 2.0 19.4 0.8 ZN G:ZN2402 3.1 18.4 0.8 ZN G:ZN2401 3.2 18.3 1.0 HE1 G:TRP131 3.5 23.5 1.0 OQ2 G:KCX169 3.6 19.0 1.0 OD2 G:ASP301 3.8 22.1 1.0 OQ1 G:KCX169 4.0 18.8 1.0 HZ2 G:TRP131 4.0 26.1 1.0 NE2 G:HIS230 4.1 21.0 1.0 NE1 G:TRP131 4.1 19.6 1.0 CX G:KCX169 4.2 18.7 1.0 O G:HOH2642 4.2 28.2 1.0 OD1 G:ASP301 4.2 20.4 1.0 HE1 G:HIS230 4.3 25.2 1.0 NE2 G:HIS57 4.3 18.1 1.0 HE1 G:HIS201 4.3 25.4 1.0 CG G:ASP301 4.5 21.5 1.0 CE1 G:HIS230 4.5 21.0 1.0 HD21 G:LEU106 4.5 24.3 0.8 ND1 G:HIS201 4.6 19.6 1.0 HZ G:PHE271 4.6 30.3 1.0 CZ2 G:TRP131 4.6 21.7 1.0 CE2 G:TRP131 4.7 20.4 1.0 HD11 G:LEU106 4.7 14.8 0.2 CE1 G:HIS201 4.8 21.2 1.0 NE2 G:HIS55 4.9 18.8 1.0 O G:HOH2630 4.9 31.8 1.0 HE1 G:HIS57 4.9 20.9 1.0 CE1 G:HIS57 4.9 17.4 1.0

C.M.Miton, E.C.Campbell, C.J.Jackson, N.Tokuriki. Phosphotriesterase Variant R18+254S To Be Published.