Atomistry » Iron » PDB 2hkx-2ibn » 2hx2
Atomistry »
  Iron »
    PDB 2hkx-2ibn »
      2hx2 »

Iron in PDB 2hx2: Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine

Enzymatic activity of Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine

All present enzymatic activity of Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine:
1.14.13.39;

Protein crystallography data

The structure of Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine, PDB code: 2hx2 was solved by J.Igarashi, H.Li, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 48.36 / 1.95
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 57.820, 106.850, 156.350, 90.00, 90.00, 90.00
R / Rfree (%) 18 / 21.3

Other elements in 2hx2:

The structure of Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine 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 Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine (pdb code 2hx2). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine, PDB code: 2hx2:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in 2hx2

Go back to Iron Binding Sites List in 2hx2
Iron binding site 1 out of 2 in the Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Fe700

b:21.7
occ:1.00
FE A:HEM700 0.0 21.7 1.0
NB A:HEM700 2.0 21.0 1.0
ND A:HEM700 2.0 21.6 1.0
NC A:HEM700 2.0 21.1 1.0
NA A:HEM700 2.0 23.3 1.0
SG A:CYS186 2.3 23.6 1.0
C4B A:HEM700 3.1 22.4 1.0
C1D A:HEM700 3.1 21.9 1.0
C1B A:HEM700 3.1 22.8 1.0
C1A A:HEM700 3.1 21.7 1.0
C4D A:HEM700 3.1 21.9 1.0
C1C A:HEM700 3.1 20.7 1.0
C4C A:HEM700 3.1 20.9 1.0
C4A A:HEM700 3.1 22.6 1.0
CB A:CYS186 3.3 21.5 1.0
CHC A:HEM700 3.4 21.8 1.0
CHD A:HEM700 3.5 21.9 1.0
CHA A:HEM700 3.5 20.5 1.0
CHB A:HEM700 3.5 21.8 1.0
CA A:CYS186 4.1 21.6 1.0
NH1 A:3HX793 4.3 34.3 1.0
C2B A:HEM700 4.3 21.4 1.0
C2D A:HEM700 4.3 21.9 1.0
C3B A:HEM700 4.3 22.6 1.0
C2A A:HEM700 4.3 21.7 1.0
C3D A:HEM700 4.3 22.9 1.0
C2C A:HEM700 4.3 21.6 1.0
C3A A:HEM700 4.3 22.2 1.0
NE1 A:TRP180 4.3 21.7 1.0
C3C A:HEM700 4.3 22.6 1.0
NO A:3HX793 4.5 32.2 1.0
CZ A:3HX793 4.7 37.7 1.0
O3 A:3HX793 4.7 30.1 1.0
N A:GLY188 4.7 21.8 1.0
C A:CYS186 4.8 22.4 1.0
NH2 A:3HX793 4.9 31.2 1.0
O2 A:3HX793 4.9 33.2 1.0
N A:VAL187 5.0 21.2 1.0
CD1 A:TRP180 5.0 22.1 1.0

Iron binding site 2 out of 2 in 2hx2

Go back to Iron Binding Sites List in 2hx2
Iron binding site 2 out of 2 in the Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Bovine Enos Heme Domain Complexed with (4S)-N-{4-Amino-5-[(2- Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Fe700

b:22.6
occ:1.00
FE B:HEM700 0.0 22.6 1.0
ND B:HEM700 2.0 23.0 1.0
NB B:HEM700 2.0 24.1 1.0
NA B:HEM700 2.0 23.6 1.0
NC B:HEM700 2.0 21.9 1.0
SG B:CYS186 2.3 23.0 1.0
C1B B:HEM700 3.1 24.0 1.0
C4B B:HEM700 3.1 24.1 1.0
C1C B:HEM700 3.1 23.6 1.0
C4A B:HEM700 3.1 22.5 1.0
C4D B:HEM700 3.1 22.4 1.0
C1A B:HEM700 3.1 22.9 1.0
C4C B:HEM700 3.1 19.6 1.0
C1D B:HEM700 3.1 23.1 1.0
CB B:CYS186 3.3 24.0 1.0
CHB B:HEM700 3.4 23.6 1.0
CHC B:HEM700 3.4 23.9 1.0
CHD B:HEM700 3.5 22.6 1.0
CHA B:HEM700 3.5 22.7 1.0
NH1 B:3HX793 4.1 38.1 1.0
CA B:CYS186 4.1 23.4 1.0
C2B B:HEM700 4.3 23.8 1.0
C3B B:HEM700 4.3 24.8 1.0
C2C B:HEM700 4.3 22.2 1.0
C3A B:HEM700 4.3 25.4 1.0
NE1 B:TRP180 4.3 24.1 1.0
C2A B:HEM700 4.3 25.4 1.0
C3D B:HEM700 4.3 24.4 1.0
C2D B:HEM700 4.3 22.4 1.0
C3C B:HEM700 4.4 24.2 1.0
NO B:3HX793 4.4 36.1 1.0
CZ B:3HX793 4.6 38.3 1.0
O3 B:3HX793 4.7 32.0 1.0
N B:GLY188 4.8 22.7 1.0
C B:CYS186 4.9 22.1 1.0
N B:VAL187 5.0 22.1 1.0
CD1 B:TRP180 5.0 24.9 1.0
O2 B:3HX793 5.0 38.2 1.0

Reference:

J.Seo, J.Igarashi, H.Li, P.Martasek, L.J.Roman, T.L.Poulos, R.B.Silverman. Structure-Based Design and Synthesis of N(Omega)-Nitro-L-Arginine-Containing Peptidomimetics As Selective Inhibitors of Neuronal Nitric Oxide Synthase. Displacement of the Heme Structural Water. J.Med.Chem. V. 50 2089 2007.
ISSN: ISSN 0022-2623
PubMed: 17425297
DOI: 10.1021/JM061305C
Page generated: Sun Dec 13 14:46:33 2020

Last articles

Zn in 8WB0
Zn in 8WAX
Zn in 8WAU
Zn in 8WAZ
Zn in 8WAY
Zn in 8WAV
Zn in 8WAW
Zn in 8WAT
Zn in 8W7M
Zn in 8WD3
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy