Arsenic in PDB 6nse: Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex

All present enzymatic activity of Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex:
1.14.13.39;

The structure of Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex, PDB code: 6nse was solved by C.S.Raman, H.Li, P.Martasek, B.S.S.Masters, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.35
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	58.400, 106.740, 156.360, 90.00, 90.00, 90.00
R / Rfree (%)	21.1 / 27.2

The structure of Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex also contains other interesting chemical elements:

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

The binding sites of Arsenic atom in the Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex (pdb code 6nse). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 2 binding sites of Arsenic where determined in the Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex, PDB code: 6nse:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in the Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:As950 b:50.3 occ:1.00 AS A:CAD950 0.0 50.3 1.0 C1 A:CAD950 1.8 51.1 1.0 C2 A:CAD950 1.8 41.8 1.0 SG A:CYS384 2.3 33.0 1.0 CB A:CYS384 3.1 26.1 1.0 CA A:CYS384 3.8 25.4 1.0 CE3 A:TRP324 4.2 14.7 1.0 CD2 A:TRP324 4.3 14.2 1.0 CG A:TRP324 4.5 17.1 1.0 CB A:TRP324 4.5 23.0 1.0 CD1 A:LEU328 4.6 26.6 1.0 N A:CYS384 4.8 27.7 1.0 CZ3 A:TRP324 4.8 20.3 1.0 C A:CYS384 4.9 27.6 1.0 O A:CYS384 4.9 25.5 1.0

Arsenic binding site 2 out of 2 in the Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Bovine Endothelial Nitric Oxide Synthase, H4B-Free, Canavanine Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:As950 b:54.2 occ:1.00 AS B:CAD950 0.0 54.2 1.0 C1 B:CAD950 1.8 55.3 1.0 C2 B:CAD950 1.8 47.3 1.0 SG B:CYS384 2.3 43.1 1.0 CB B:CYS384 3.0 41.4 1.0 CA B:CYS384 3.6 38.6 1.0 CE3 B:TRP324 4.3 37.9 1.0 CD2 B:TRP324 4.4 38.2 1.0 CB B:TRP324 4.5 38.2 1.0 CG B:TRP324 4.5 39.0 1.0 N B:CYS384 4.6 39.7 1.0 C B:CYS384 4.7 38.5 1.0 O B:CYS384 4.8 34.1 1.0

C.S.Raman, H.Li, P.Martasek, B.S.S.Masters, T.L.Poulos. Crystal Structures of the Heme Domain of Bovine Endothelial Nitric Oxide Synthase Complexed with Arginine Analogues To Be Published.