Arsenic in PDB 1sk0: Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli

All present enzymatic activity of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli:
1.20.4.1;

The structure of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli, PDB code: 1sk0 was solved by S.Demel, B.F.Edwards, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.80
Space group	P 61 2 2
Cell size a, b, c (Å), α, β, γ (°)	86.560, 86.560, 115.990, 90.00, 90.00, 120.00
R / Rfree (%)	n/a / 23.9

The structure of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli also contains other interesting chemical elements:

Caesium

(Cs)

4 atoms

The binding sites of Arsenic atom in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli (pdb code 1sk0). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 2 binding sites of Arsenic where determined in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli, PDB code: 1sk0:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:As12 b:34.1 occ:0.54 AS A:CZ212 0.0 34.1 0.5 O1 A:CZ212 1.8 32.5 0.5 O2 A:CZ212 1.8 62.1 0.5 SG A:CZ212 2.2 16.1 0.5 SG A:CZ212 2.3 26.9 0.5 CB A:CZ212 3.1 9.0 0.5 CB A:CZ212 3.1 20.0 0.5 NH2 A:ARG94 3.1 54.6 0.8 O2 A:TAS201 3.3 22.9 0.4 AS A:TAS201 3.4 41.8 0.4 CZ A:ARG94 3.6 43.6 0.8 CA A:CZ212 3.7 12.0 1.0 NE A:ARG94 4.0 26.9 0.8 O3 A:TAS201 4.1 21.2 0.4 C A:CZ212 4.1 16.4 1.0 N A:GLY13 4.2 18.4 1.0 NH1 A:ARG107 4.2 18.1 1.0 O A:HOH1229 4.2 41.9 1.0 NH1 A:ARG94 4.2 35.9 0.8 OG1 A:THR14 4.4 17.7 1.0 N A:THR14 4.5 16.2 1.0 NH2 A:ARG107 4.7 27.1 1.0 CB A:THR14 4.7 22.2 1.0 CZ A:ARG107 4.9 27.6 1.0 O A:CZ212 4.9 16.6 1.0 O1 A:TAS201 5.0 28.7 0.4

Arsenic binding site 2 out of 2 in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:As201 b:41.8 occ:0.43 AS A:TAS201 0.0 41.8 0.4 O3 A:TAS201 1.8 21.2 0.4 O2 A:TAS201 1.8 22.9 0.4 O1 A:TAS201 1.8 28.7 0.4 AS A:CZ212 3.4 34.1 0.5 O1 A:CZ212 3.5 32.5 0.5 N A:GLY13 3.6 18.4 1.0 O A:HOH1028 4.0 19.8 1.0 CA A:GLY13 4.2 17.6 1.0 O A:HOH1096 4.5 22.6 1.0 C A:CZ212 4.5 16.4 1.0 N A:THR14 4.6 16.2 1.0 CA A:CZ212 4.7 12.0 1.0 SG A:CZ212 4.9 16.1 0.5 C A:GLY13 4.9 14.0 1.0 O2 A:CZ212 4.9 62.1 0.5 SG A:CZ212 4.9 26.9 0.5 OG1 A:THR14 5.0 17.7 1.0

S.Demel, J.Shi, P.Martin, B.P.Rosen, B.F.Edwards. Arginine 60 in the Arsc Arsenate Reductase of E. Coli Plasmid R773 Determines the Chemical Nature of the Bound As(III) Product. Protein Sci. V. 13 2330 2004.
ISSN: ISSN 0961-8368
PubMed: 15295115
DOI: 10.1110/PS.04787204