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Arsenic in PDB 1sk1: Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli

Enzymatic activity of Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli

All present enzymatic activity of Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli:
1.20.4.1;

Protein crystallography data

The structure of Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli, PDB code: 1sk1 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 / 1.55
Space group P 61 2 2
Cell size a, b, c (Å), α, β, γ (°) 86.680, 86.680, 116.060, 90.00, 90.00, 120.00
R / Rfree (%) 17.6 / 21.2

Other elements in 1sk1:

The structure of Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli also contains other interesting chemical elements:

Caesium (Cs) 3 atoms

Arsenic Binding Sites:

The binding sites of Arsenic atom in the Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli (pdb code 1sk1). 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 Arsenate Reductase R60K Mutant +0.4M Arsenate From E. Coli, PDB code: 1sk1:

Arsenic binding site 1 out of 1 in 1sk1

Go back to Arsenic Binding Sites List in 1sk1
Arsenic binding site 1 out of 1 in the Arsenate Reductase R60K Mutant +0.4M Arsenate 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 R60K Mutant +0.4M Arsenate From E. Coli within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As12

b:31.7
occ:0.28
AS A:CSR12 0.0 31.7 0.3
O2 A:CSR12 1.7 21.6 0.3
O3 A:CSR12 1.7 37.5 0.3
O1 A:CSR12 1.7 28.7 0.3
SG A:CSR12 1.9 20.1 0.7
O3 A:SO4201 2.0 39.7 0.4
SG A:CSR12 2.2 19.6 0.3
O1 A:SO4201 2.9 14.0 0.4
S A:SO4201 2.9 29.2 0.4
CB A:CSR12 3.0 14.3 0.7
CB A:CSR12 3.0 14.9 0.3
O A:HOH1303 3.1 34.8 1.0
NH2 A:ARG94 3.1 26.9 0.5
CZ A:ARG94 3.4 24.1 0.5
CA A:CSR12 3.4 12.7 1.0
NH1 A:ARG94 3.6 20.1 0.5
O2 A:SO4201 3.6 33.6 0.4
N A:GLY13 3.7 16.4 1.0
C A:CSR12 3.7 15.0 1.0
NH2 A:ARG94 3.8 17.3 0.5
N A:THR14 3.9 12.3 1.0
OG1 A:THR14 3.9 15.8 1.0
NE A:ARG94 4.0 22.3 0.5
NH1 A:ARG107 4.1 14.9 1.0
NE A:ARG94 4.1 22.7 0.5
O4 A:SO4201 4.2 31.3 0.4
CB A:THR14 4.2 14.7 1.0
CZ A:ARG94 4.4 21.7 0.5
O A:HOH1281 4.6 63.1 1.0
O A:CSR12 4.6 15.1 1.0
NH2 A:ARG107 4.7 22.7 1.0
CA A:THR14 4.7 12.5 1.0
CA A:GLY13 4.7 13.7 1.0
N A:CSR12 4.8 15.0 1.0
C A:GLY13 4.8 14.0 1.0
CZ A:ARG107 4.9 19.4 1.0

Reference:

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
Page generated: Tue Oct 27 16:47:25 2020

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