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Iron in PDB 3n69: Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine)

Enzymatic activity of Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine)

All present enzymatic activity of Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine):
1.14.13.39;

Protein crystallography data

The structure of Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine), PDB code: 3n69 was solved by S.L.Delker, H.Li, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 39.30 / 2.65
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 58.151, 106.633, 156.963, 90.00, 90.00, 90.00
R / Rfree (%) 16.7 / 21.5

Other elements in 3n69:

The structure of Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine) also contains other interesting chemical elements:

Arsenic (As) 2 atoms
Zinc (Zn) 1 atom

Iron Binding Sites:

The binding sites of Iron atom in the Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine) (pdb code 3n69). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine), PDB code: 3n69:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in 3n69

Go back to Iron Binding Sites List in 3n69
Iron binding site 1 out of 2 in the Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe500

b:30.7
occ:1.00
 FE A:HEM500 0.0 30.7 1.0
NC A:HEM500 2.0 29.1 1.0
NA A:HEM500 2.0 31.0 1.0
ND A:HEM500 2.1 29.9 1.0
NB A:HEM500 2.1 27.8 1.0
SG A:CYS186 2.4 33.2 1.0
C4C A:HEM500 3.0 31.3 1.0
C1D A:HEM500 3.1 29.8 1.0
C1A A:HEM500 3.1 31.1 1.0
C4A A:HEM500 3.1 29.1 1.0
C1C A:HEM500 3.1 29.0 1.0
C4D A:HEM500 3.1 30.1 1.0
C1B A:HEM500 3.1 27.2 1.0
C4B A:HEM500 3.1 30.3 1.0
CHD A:HEM500 3.4 30.5 1.0
CB A:CYS186 3.4 29.5 1.0
CHB A:HEM500 3.4 29.7 1.0
CHA A:HEM500 3.4 28.1 1.0
CHC A:HEM500 3.5 28.5 1.0
C04 A:XFJ800 4.0 31.6 1.0
C03 A:XFJ800 4.0 30.0 1.0
CA A:CYS186 4.1 28.9 1.0
C2A A:HEM500 4.3 31.1 1.0
C3A A:HEM500 4.3 29.4 1.0
C3C A:HEM500 4.3 30.2 1.0
C2C A:HEM500 4.3 30.0 1.0
C3D A:HEM500 4.3 28.1 1.0
C2D A:HEM500 4.3 28.6 1.0
C07 A:XFJ800 4.3 25.2 1.0
C2B A:HEM500 4.3 28.8 1.0
C3B A:HEM500 4.4 29.0 1.0
NE1 A:TRP180 4.4 28.5 1.0
C05 A:XFJ800 4.4 28.9 1.0
C02 A:XFJ800 4.5 31.3 1.0
C06 A:XFJ800 4.8 32.9 1.0
N01 A:XFJ800 4.8 28.1 1.0
N A:GLY188 4.9 29.7 1.0
C A:CYS186 4.9 29.3 1.0
CD1 A:TRP180 5.0 28.5 1.0

Iron binding site 2 out of 2 in 3n69

Go back to Iron Binding Sites List in 3n69
Iron binding site 2 out of 2 in the Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine)


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Structure of Endothelial Nitric Oxide Synthase N368D/V106M Double Mutant Heme Domain Complexed with 6,6'-(2,2'-(Pyridine-3,5-Diyl) Bis(Ethane-2,1-Diyl))Bis(4-Methylpyridin-2-Amine) within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Fe500

b:31.5
occ:1.00
 FE B:HEM500 0.0 31.5 1.0
NB B:HEM500 2.1 27.7 1.0
ND B:HEM500 2.1 29.5 1.0
NC B:HEM500 2.1 31.1 1.0
NA B:HEM500 2.1 31.4 1.0
SG B:CYS186 2.5 30.6 1.0
C4C B:HEM500 3.1 30.5 1.0
C4D B:HEM500 3.1 30.2 1.0
C1B B:HEM500 3.1 25.9 1.0
C1C B:HEM500 3.1 30.6 1.0
C4B B:HEM500 3.1 30.7 1.0
C1D B:HEM500 3.1 31.6 1.0
C1A B:HEM500 3.1 30.4 1.0
C4A B:HEM500 3.1 27.1 1.0
CHD B:HEM500 3.4 31.6 1.0
CB B:CYS186 3.4 27.9 1.0
CHC B:HEM500 3.4 30.5 1.0
CHB B:HEM500 3.5 25.9 1.0
CHA B:HEM500 3.5 29.2 1.0
C04 B:XFJ800 3.9 36.9 1.0
C03 B:XFJ800 4.0 35.4 1.0
C07 B:XFJ800 4.2 36.7 1.0
CA B:CYS186 4.2 28.2 1.0
C3C B:HEM500 4.3 30.9 1.0
C2B B:HEM500 4.3 28.0 1.0
C2C B:HEM500 4.3 30.6 1.0
C3B B:HEM500 4.3 27.3 1.0
C3D B:HEM500 4.3 29.1 1.0
C2D B:HEM500 4.3 30.3 1.0
C2A B:HEM500 4.3 29.7 1.0
NE1 B:TRP180 4.3 32.7 1.0
C3A B:HEM500 4.4 28.9 1.0
C05 B:XFJ800 4.4 36.9 1.0
C02 B:XFJ800 4.5 35.7 1.0
N B:GLY188 4.9 28.1 1.0
C06 B:XFJ800 4.9 37.4 1.0
N01 B:XFJ800 4.9 33.5 1.0
C B:CYS186 4.9 27.2 1.0
CD1 B:TRP180 5.0 27.1 1.0

Reference:

S.L.Delker, F.Xue, H.Li, J.Jamal, R.B.Silverman, T.L.Poulos. Role of Zinc in Isoform-Selective Inhibitor Binding to Neuronal Nitric Oxide Synthase . Biochemistry V. 49 10803 2010.
ISSN: ISSN 0006-2960
PubMed: 21138269
DOI: 10.1021/BI1013479
Page generated: Sun Aug 4 16:17:07 2024

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