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Arsenic in PDB 4xaf: Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes

Protein crystallography data

The structure of Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes, PDB code: 4xaf was solved by C.J.Jackson, E.Campbell, M.Kaltenbach, N.Tokuriki, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 35.71 / 1.66
Space group P 21 21 2
Cell size a, b, c (Å), α, β, γ (°) 85.687, 85.733, 88.380, 90.00, 90.00, 90.00
R / Rfree (%) 17.9 / 22

Other elements in 4xaf:

The structure of Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes also contains other interesting chemical elements:

Zinc (Zn) 4 atoms

Arsenic Binding Sites:

The binding sites of Arsenic atom in the Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes (pdb code 4xaf). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 2 binding sites of Arsenic where determined in the Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes, PDB code: 4xaf:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in 4xaf

Go back to Arsenic Binding Sites List in 4xaf
Arsenic binding site 1 out of 2 in the Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As2403

b:56.5
occ:0.70
AS A:CAC2403 0.0 56.5 0.7
O2 A:CAC2403 1.8 35.4 0.7
O1 A:CAC2403 1.8 34.4 0.7
C1 A:CAC2403 2.0 48.7 0.7
C2 A:CAC2403 2.0 35.3 0.7
ZN A:ZN2401 3.4 19.5 0.6
ZN A:ZN2402 3.4 21.9 0.3
O A:HOH2643 3.7 42.2 1.0
OQ2 A:KCX169 3.7 32.1 1.0
NH2 A:ARG254 3.9 43.3 0.4
OD2 A:ASP301 4.1 27.6 1.0
OQ1 A:KCX169 4.2 33.8 1.0
NE2 A:HIS57 4.3 18.9 1.0
OD1 A:ASP301 4.4 21.9 1.0
NE1 A:TRP131 4.4 30.6 1.0
CX A:KCX169 4.5 42.7 1.0
CZ2 A:TRP131 4.5 30.6 1.0
CG A:ASP301 4.7 23.0 1.0
CE2 A:TRP131 4.7 30.7 1.0
CE1 A:HIS57 4.8 19.4 1.0
NH1 A:ARG254 4.8 46.9 0.6
CZ A:ARG254 5.0 44.4 0.4
NE2 A:HIS230 5.0 29.5 1.0

Arsenic binding site 2 out of 2 in 4xaf

Go back to Arsenic Binding Sites List in 4xaf
Arsenic binding site 2 out of 2 in the Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Cycles of Destabilization and Repair Underlie Evolutionary Transitions in Enzymes within 5.0Å range:
probe atom residue distance (Å) B Occ
G:As401

b:39.1
occ:0.69
AS G:CAC401 0.0 39.1 0.7
O1 G:CAC401 1.8 31.2 0.7
O2 G:CAC401 1.8 28.3 0.7
C1 G:CAC401 2.0 41.9 0.7
C2 G:CAC401 2.0 30.0 0.7
ZN G:ZN403 3.2 20.5 0.4
ZN G:ZN402 3.4 18.9 0.7
OQ2 G:KCX169 3.6 30.4 1.0
NH2 G:ARG254 3.8 28.1 0.4
O G:HOH662 3.8 36.9 1.0
OD2 G:ASP301 4.1 22.1 1.0
OQ1 G:KCX169 4.2 31.0 1.0
NE2 G:HIS57 4.4 15.7 1.0
CX G:KCX169 4.4 39.6 1.0
NE1 G:TRP131 4.4 24.7 1.0
OD1 G:ASP301 4.5 21.4 1.0
NE2 G:HIS230 4.6 27.4 1.0
CZ2 G:TRP131 4.6 31.6 1.0
ND1 G:HIS201 4.7 30.8 1.0
CG G:ASP301 4.7 22.2 1.0
CE2 G:TRP131 4.8 27.7 1.0
CE1 G:HIS57 4.9 22.9 1.0
CE1 G:HIS201 4.9 34.1 1.0
CZ G:ARG254 4.9 25.6 0.4

Reference:

E.Campbell, M.Kaltenbach, G.J.Correy, P.D.Carr, B.T.Porebski, E.K.Livingstone, L.Afriat-Jurnou, A.M.Buckle, M.Weik, F.Hollfelder, N.Tokuriki, C.J.Jackson. The Role of Protein Dynamics in the Evolution of New Enzyme Function. Nat.Chem.Biol. V. 12 944 2016.
ISSN: ESSN 1552-4469
PubMed: 27618189
DOI: 10.1038/NCHEMBIO.2175
Page generated: Mon Jul 7 00:09:33 2025

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