Calcium in PDB 5eg5: As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site

The structure of As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site, PDB code: 5eg5 was solved by C.Packianathan, K.Marapakala, P.Kandavelu, B.P.Rosen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.31 / 1.97
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	85.255, 47.369, 100.261, 90.00, 113.59, 90.00
R / Rfree (%)	19.5 / 25

The structure of As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site also contains other interesting chemical elements:

Arsenic

(As)

1 atom

The binding sites of Calcium atom in the As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site (pdb code 5eg5). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site, PDB code: 5eg5:

Calcium binding site 1 out of 1 in the As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca402 b:30.1 occ:1.00 O A:GLY91 2.4 23.9 1.0 O A:HOH545 2.4 33.2 1.0 O A:HOH594 2.4 25.2 1.0 O A:HOH571 2.4 26.0 1.0 O A:HOH633 2.4 31.3 1.0 O A:HOH537 2.5 31.2 1.0 O A:HOH548 2.6 30.7 1.0 C A:GLY91 3.6 25.4 1.0 CZ A:PHE69 4.0 31.8 1.0 O A:ALA72 4.3 33.8 1.0 CE1 A:PHE69 4.4 33.1 1.0 OG A:SER74 4.4 31.4 1.0 OD2 A:ASP97 4.4 31.8 1.0 O A:LEU90 4.4 28.8 1.0 CA A:CYS92 4.5 26.4 1.0 O A:HOH533 4.5 39.2 1.0 O A:TYR70 4.5 47.6 1.0 N A:CYS92 4.5 27.2 1.0 O A:HOH675 4.5 39.7 1.0 OD2 A:ASP89 4.6 28.1 1.0 CA A:GLY91 4.6 27.4 1.0 OD1 A:ASP89 4.6 25.7 1.0 O A:ASN173 4.6 26.5 1.0 C A:CYS92 4.6 28.6 1.0 O A:HOH670 4.7 43.4 1.0 O A:CYS92 4.9 30.1 1.0 N A:ASN173 4.9 28.4 1.0 CG A:ASP89 5.0 29.6 1.0

C.Packianathan, K.Marapakala, P.Kandavelu, B.P.Rosen. As (III) S-Adenosylmethyltransferase Cysteine Mutant C72A Bound Phenylarsine Oxide (Phas(III) in the Arsenic Binding Site To Be Published.