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

Enzymatic activity of 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;

Protein crystallography data

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

Other elements in 1sk0:

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

Arsenic (As) 2 atoms

Caesium Binding Sites:

The binding sites of Caesium 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 Caesium atom.
In total 4 binding sites of Caesium where determined in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli, PDB code: 1sk0:
Jump to Caesium binding site number: 1; 2; 3; 4;

Caesium binding site 1 out of 4 in 1sk0

Go back to Caesium Binding Sites List in 1sk0
Caesium binding site 1 out of 4 in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs 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:Cs401

b:16.8
occ:0.45
O A:LEU113 3.1 21.8 1.0
O A:HOH1013 3.2 20.4 1.0
O A:LEU116 3.3 14.7 1.0
O A:ASP114 3.4 17.3 1.0
C A:ASP114 3.8 20.2 1.0
O A:HOH1022 4.0 14.0 1.0
CA A:ASP114 4.3 16.9 1.0
C A:LEU113 4.3 18.2 1.0
C A:LEU116 4.4 12.0 1.0
CD1 A:LEU101 4.6 17.0 1.0
N A:LEU116 4.7 13.7 1.0
N A:ILE115 4.7 17.3 1.0
N A:ASP114 4.9 15.4 1.0

Caesium binding site 2 out of 4 in 1sk0

Go back to Caesium Binding Sites List in 1sk0
Caesium binding site 2 out of 4 in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs 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:Cs402

b:50.3
occ:0.30
O A:HOH1059 3.2 24.6 1.0
OE1 A:GLU43 3.2 13.4 0.5
O A:PRO38 3.2 25.9 1.0
O A:HOH1113 3.5 37.1 1.0
N A:SER40 3.8 26.9 1.0
C A:PRO39 4.1 27.5 1.0
CA A:PRO39 4.1 28.0 1.0
CD A:GLU43 4.1 21.4 0.5
C A:PRO38 4.3 22.4 1.0
O A:HOH1063 4.3 27.8 1.0
OE2 A:GLU43 4.3 31.3 0.5
O A:HOH1202 4.6 39.9 1.0
N A:PRO39 4.7 22.4 1.0
CA A:SER40 4.7 23.0 1.0
CB A:SER40 4.7 25.0 1.0
O A:PRO39 4.9 26.5 1.0

Caesium binding site 3 out of 4 in 1sk0

Go back to Caesium Binding Sites List in 1sk0
Caesium binding site 3 out of 4 in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 3 of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cs404

b:77.4
occ:0.34
O A:HOH1178 2.9 24.9 1.0
O A:GLU135 2.9 27.3 1.0
O A:HOH1146 3.1 41.8 1.0
O A:HOH1077 3.6 22.9 1.0
O A:GLN120 3.8 19.4 1.0
O A:LYS121 3.9 29.6 1.0
O A:HOH1104 4.0 35.7 1.0
C A:GLU135 4.1 28.0 1.0
C A:LYS121 4.1 26.9 1.0
CA A:GLY122 4.1 22.3 1.0
N A:GLY122 4.1 20.2 1.0
C A:ALA136 4.4 38.3 1.0
O A:HOH1256 4.4 69.9 1.0
N A:GLY137 4.4 26.9 1.0
OE1 A:GLU135 4.5 60.0 1.0
O A:ALA136 4.6 39.4 1.0
CA A:GLY137 4.6 24.0 1.0
CA A:LYS121 4.8 20.3 1.0
C A:GLY122 4.8 20.1 1.0
C A:GLN120 4.8 16.8 1.0
CA A:ALA136 4.9 32.8 1.0
N A:ALA136 4.9 29.0 1.0

Caesium binding site 4 out of 4 in 1sk0

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Caesium binding site 4 out of 4 in the Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli


Mono view


Stereo pair view

A full contact list of Caesium with other atoms in the Cs binding site number 4 of Arsenate Reductase R60A Mutant +0.4M Arsenite From E. Coli within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cs405

b:27.3
occ:0.32
O A:HOH1106 3.2 23.4 1.0
O A:HOH1242 3.2 54.1 1.0
O A:HOH1028 3.2 19.8 1.0
O A:HOH1112 3.3 37.1 1.0
OD2 A:ASP128 3.5 22.8 1.0
O A:HOH1049 3.8 22.3 1.0
CG A:ASP128 4.2 24.2 1.0
O A:HOH1005 4.3 16.3 1.0
O A:HOH1079 4.5 27.5 1.0
O A:HOH1246 4.5 38.2 1.0
CB A:ASP128 4.6 21.6 1.0
O1 A:TAS201 4.7 28.7 0.4
O1 A:SO4203 4.8 20.8 0.7
O4 A:SO4203 5.0 17.1 0.7

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 Jul 30 20:14:23 2024

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