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Arsenic in PDB 4cvg: Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One.

Enzymatic activity of Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One.

All present enzymatic activity of Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One.:
1.14.13.39;

Protein crystallography data

The structure of Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One., PDB code: 4cvg was solved by G.Chreifi, H.Li, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 50.00 / 2.31
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 57.414, 105.957, 156.530, 90.00, 90.00, 90.00
R / Rfree (%) 15.479 / 21.358

Other elements in 4cvg:

The structure of Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One. also contains other interesting chemical elements:

Iron (Fe) 2 atoms
Zinc (Zn) 1 atom

Arsenic Binding Sites:

The binding sites of Arsenic atom in the Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One. (pdb code 4cvg). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 2 binding sites of Arsenic where determined in the Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One., PDB code: 4cvg:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in 4cvg

Go back to Arsenic Binding Sites List in 4cvg
Arsenic binding site 1 out of 2 in the Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One.


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As384

b:70.3
occ:1.00
 AS A:CAS384 0.0 70.3 1.0
CE2 A:CAS384 2.0 61.8 1.0
CE1 A:CAS384 2.0 54.9 1.0
SG A:CAS384 2.5 50.4 1.0
CB A:CAS384 3.1 41.8 1.0
CA A:CAS384 3.8 41.2 1.0
CE3 A:TRP324 4.3 36.0 1.0
CD2 A:TRP324 4.4 39.5 1.0
CG A:TRP324 4.6 38.7 1.0
CB A:TRP324 4.6 40.0 1.0
N A:CAS384 4.7 42.8 1.0
CD1 A:LEU328 4.9 40.9 1.0
C A:CAS384 4.9 40.9 1.0
CZ3 A:TRP324 5.0 36.4 1.0

Arsenic binding site 2 out of 2 in 4cvg

Go back to Arsenic Binding Sites List in 4cvg
Arsenic binding site 2 out of 2 in the Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One.


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain (H4B-Free) Supplemented with 50UM Zn Acetate and with Poor Binding of 6-Acetyl-2-Amino-7,7-Dimethyl-7,8-Dihydropteridin-4(3H)-One. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:As384

b:67.7
occ:1.00
 AS B:CAS384 0.0 67.7 1.0
CE2 B:CAS384 2.0 61.7 1.0
CE1 B:CAS384 2.0 55.1 1.0
SG B:CAS384 2.5 61.0 1.0
CB B:CAS384 3.0 48.9 1.0
CA B:CAS384 3.8 51.6 1.0
CE3 B:TRP324 4.2 46.8 1.0
CB B:TRP324 4.3 50.7 1.0
CD2 B:TRP324 4.3 48.8 1.0
CG B:TRP324 4.4 51.4 1.0
N B:CAS384 4.7 53.4 1.0
C B:CAS384 4.8 51.4 1.0
CD2 B:LEU328 4.9 52.9 1.0
CZ3 B:TRP324 4.9 43.9 1.0
O B:CAS384 5.0 54.9 1.0

Reference:

G.Chreifi, H.Li, C.R.Mcinnes, C.L.Gibson, C.J.Suckling, T.L.Poulos. Communication Between the Zinc and Tetrahydrobiopterin Binding Sites in Nitric Oxide Synthase. Biochemistry V. 53 4216 2014.
ISSN: ISSN 0006-2960
PubMed: 24819538
DOI: 10.1021/BI5003986
Page generated: Sat Dec 12 01:42:49 2020

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