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Arsenic in PDB 1p6n: Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound

Enzymatic activity of Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound

All present enzymatic activity of Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound:
1.14.13.39;

Protein crystallography data

The structure of Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound, PDB code: 1p6n was solved by M.L.Flinspach, H.Li, J.Jamal, W.Yang, H.Huang, J.-M.Hah, J.A.Gomez-Vidal, E.A.Litzinger, R.B.Silverman, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 42.55 / 2.50
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 57.669, 106.292, 156.524, 90.00, 90.00, 90.00
R / Rfree (%) 21.8 / 27.8

Other elements in 1p6n:

The structure of Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound 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 Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound (pdb code 1p6n). 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 Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound, PDB code: 1p6n:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in 1p6n

Go back to Arsenic Binding Sites List in 1p6n
Arsenic binding site 1 out of 2 in the Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide 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 Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As850

b:83.8
occ:1.00
AS A:CAC850 0.0 83.8 1.0
C1 A:CAC850 1.8 83.3 1.0
C2 A:CAC850 1.8 84.5 1.0
SG A:CYS384 2.9 60.1 1.0
CB A:CYS384 3.2 52.9 1.0
CA A:CYS384 3.9 48.7 1.0
CE3 A:TRP324 3.9 57.1 1.0
CD2 A:TRP324 4.2 56.4 1.0
CB A:TRP324 4.4 48.4 1.0
CG A:TRP324 4.5 52.1 1.0
CZ3 A:TRP324 4.5 55.6 1.0
C A:CYS384 4.9 49.7 1.0
O A:CYS384 4.9 48.5 1.0
N A:CYS384 4.9 45.7 1.0

Arsenic binding site 2 out of 2 in 1p6n

Go back to Arsenic Binding Sites List in 1p6n
Arsenic binding site 2 out of 2 in the Bovine Endothelial Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide 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 Nos Heme Domain with L-N(Omega)-Nitroarginine-(4R)- Amino-L-Proline Amide Bound within 5.0Å range:
probe atom residue distance (Å) B Occ
B:As852

b:97.0
occ:1.00
AS B:CAC852 0.0 97.0 1.0
C1 B:CAC852 1.8 92.2 1.0
C2 B:CAC852 1.8 96.2 1.0
SG B:CYS384 3.0 72.7 1.0
CB B:CYS384 3.3 67.1 1.0
CA B:CYS384 3.9 65.9 1.0
CE3 B:TRP324 4.0 82.7 1.0
CZ3 B:TRP324 4.5 81.8 1.0
CD2 B:TRP324 4.5 82.9 1.0
CB B:TRP324 4.8 75.8 1.0
N B:CYS384 4.8 64.0 1.0
C B:CYS384 4.9 66.5 1.0
CG B:TRP324 4.9 80.8 1.0
O B:CYS384 4.9 67.5 1.0

Reference:

M.L.Flinspach, H.Li, J.Jamal, W.Yang, H.Huang, J.M.Hah, J.A.Gomez-Vidal, E.A.Litzinger, R.B.Silverman, T.L.Poulos. Structural Basis For Dipeptide Amide Isoform-Selective Inhibition of Neuronal Nitric Oxide Synthase. Nat.Struct.Mol.Biol. V. 11 54 2004.
ISSN: ISSN 1545-9993
PubMed: 14718923
DOI: 10.1038/NSMB704
Page generated: Sun Jul 6 22:59:48 2025

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