Arsenic in PDB 1dm7: Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with Homoarginine (H4B Free)

All present enzymatic activity of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with Homoarginine (H4B Free):
1.14.13.39;

The structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with Homoarginine (H4B Free), PDB code: 1dm7 was solved by C.S.Raman, H.Li, P.Martasek, G.J.Southan, 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)	28.40 / 2.10
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	58.960, 105.990, 156.600, 90.00, 90.00, 90.00
R / Rfree (%)	23.1 / 27.3

The structure of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with Homoarginine (H4B Free) 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 Homoarginine (H4B Free) (pdb code 1dm7). 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 Homoarginine (H4B Free), PDB code: 1dm7:
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 Homoarginine (H4B Free)


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 Homoarginine (H4B Free) within 5.0Å range: probe atom residue distance (Å) B Occ A:As950 b:83.3 occ:1.00 AS A:CAC950 0.0 83.3 1.0 C1 A:CAC950 1.8 67.6 1.0 C2 A:CAC950 1.8 69.1 1.0 SG A:CYS384 2.3 54.2 1.0 O A:HOH3021 2.8 43.1 1.0 CB A:CYS384 3.3 43.9 1.0 CA A:CYS384 4.0 41.5 1.0 CE3 A:TRP324 4.5 43.6 1.0 CD1 A:LEU328 4.5 37.6 1.0 O A:HOH3082 4.7 38.8 1.0 CD2 A:TRP324 4.8 46.1 1.0 N A:CYS384 4.9 38.3 1.0 CB A:TRP324 5.0 38.9 1.0

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


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 Homoarginine (H4B Free) within 5.0Å range: probe atom residue distance (Å) B Occ B:As950 b:99.5 occ:1.00 AS B:CAC950 0.0 99.5 1.0 C2 B:CAC950 1.8 86.1 1.0 C1 B:CAC950 1.8 91.9 1.0 SG B:CYS384 2.4 66.6 1.0 CB B:CYS384 3.5 59.0 1.0 CA B:CYS384 4.1 58.9 1.0 CE3 B:TRP324 4.9 63.3 1.0

C.S.Raman, H.Li, P.Martasek, G.J.Southan, B.S.S.Masters, T.L.Poulos. Crystal Structures of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with Various Inhibitors To Be Published.