Arsenic in PDB 1d1w: Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with 2- Aminothiazoline (H4B Bound)

All present enzymatic activity of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with 2- Aminothiazoline (H4B Bound):
1.14.13.39;

The structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with 2- Aminothiazoline (H4B Bound), PDB code: 1d1w was solved by H.Li, C.S.Raman, P.Martasek, V.Kral, 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)	50.00 / 2.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	58.460, 106.320, 156.330, 90.00, 90.00, 90.00
R / Rfree (%)	20.4 / 25

The structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with 2- Aminothiazoline (H4B Bound) 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 Heme Domain Complexed with 2- Aminothiazoline (H4B Bound) (pdb code 1d1w). 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 Heme Domain Complexed with 2- Aminothiazoline (H4B Bound), PDB code: 1d1w:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in the Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with 2- Aminothiazoline (H4B Bound)


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 Heme Domain Complexed with 2- Aminothiazoline (H4B Bound) within 5.0Å range: probe atom residue distance (Å) B Occ A:As950 b:68.5 occ:1.00 AS A:CAD950 0.0 68.5 1.0 C1 A:CAD950 1.8 51.4 1.0 C2 A:CAD950 1.8 50.9 1.0 SG A:CYS384 2.3 49.5 1.0 CB A:CYS384 3.3 40.5 1.0 CA A:CYS384 4.0 38.0 1.0 CE3 A:TRP324 4.3 37.3 1.0 CD1 A:LEU328 4.5 32.8 1.0 CD2 A:TRP324 4.6 44.1 1.0 CG A:TRP324 4.8 40.0 1.0 CB A:TRP324 4.8 36.0 1.0 CZ3 A:TRP324 4.9 41.8 1.0 N A:CYS384 4.9 37.7 1.0

Arsenic binding site 2 out of 2 in the Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with 2- Aminothiazoline (H4B Bound)


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 Heme Domain Complexed with 2- Aminothiazoline (H4B Bound) within 5.0Å range: probe atom residue distance (Å) B Occ B:As951 b:87.1 occ:1.00 AS B:CAD951 0.0 87.1 1.0 C1 B:CAD951 1.8 81.4 1.0 C2 B:CAD951 1.8 80.2 1.0 SG B:CYS384 2.3 69.9 1.0 CB B:CYS384 3.0 58.6 1.0 CA B:CYS384 3.5 55.4 1.0 CE3 B:TRP324 4.3 59.5 1.0 N B:CYS384 4.5 51.4 1.0 CD2 B:TRP324 4.6 58.9 1.0 C B:CYS384 4.6 55.3 1.0 O B:CYS384 4.7 54.6 1.0 CB B:TRP324 4.7 56.2 1.0 CG B:TRP324 4.7 58.9 1.0 CZ3 B:TRP324 4.9 58.0 1.0

H.Li, C.S.Raman, P.Martasek, V.Kral, B.S.Masters, T.L.Poulos. Mapping the Active Site Polarity in Structures of Endothelial Nitric Oxide Synthase Heme Domain Complexed with Isothioureas. J.Inorg.Biochem. V. 81 133 2000.
ISSN: ISSN 0162-0134
PubMed: 11051558
DOI: 10.1016/S0162-0134(00)00099-4