Iron in PDB 1lzz: Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound

All present enzymatic activity of Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound:
1.14.13.39;

The structure of Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound, PDB code: 1lzz was solved by H.Li, H.Shimizu, M.Flinspach, J.Jamal, W.Yang, M.Xian, T.Cai, E.Z.Wen, Q.Jia, P.G.Wang, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	38.42 / 2.05
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	52.020, 111.110, 163.780, 90.00, 90.00, 90.00
R / Rfree (%)	22.6 / 26.6

The structure of Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

The binding sites of Iron atom in the Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound (pdb code 1lzz). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound, PDB code: 1lzz:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe750 b:20.1 occ:1.00 FE A:HEM750 0.0 20.1 1.0 NC A:HEM750 2.0 20.8 1.0 NA A:HEM750 2.0 21.3 1.0 NB A:HEM750 2.0 21.3 1.0 ND A:HEM750 2.0 20.9 1.0 SG A:CYS415 2.2 22.0 1.0 C4C A:HEM750 3.0 20.4 1.0 C1C A:HEM750 3.0 20.8 1.0 C1B A:HEM750 3.0 20.7 1.0 C4A A:HEM750 3.1 20.8 1.0 C1D A:HEM750 3.1 20.5 1.0 C1A A:HEM750 3.1 21.0 1.0 C4B A:HEM750 3.1 21.1 1.0 C4D A:HEM750 3.1 20.5 1.0 CB A:CYS415 3.2 22.0 1.0 CHD A:HEM750 3.4 20.7 1.0 CHC A:HEM750 3.4 21.1 1.0 CHB A:HEM750 3.4 20.8 1.0 CHA A:HEM750 3.5 20.6 1.0 C3 A:IHG830 4.0 30.0 1.0 CA A:CYS415 4.1 21.5 1.0 C3C A:HEM750 4.2 20.6 1.0 C2C A:HEM750 4.3 20.7 1.0 C2A A:HEM750 4.3 21.0 1.0 C3A A:HEM750 4.3 21.2 1.0 C2B A:HEM750 4.3 21.2 1.0 NE A:IHG830 4.3 30.0 1.0 C2D A:HEM750 4.3 20.5 1.0 C3B A:HEM750 4.3 21.3 1.0 C3D A:HEM750 4.3 20.4 1.0 NE1 A:TRP409 4.4 21.7 1.0 C2 A:IHG830 4.8 30.4 1.0 C A:CYS415 4.8 21.6 1.0 N A:GLY417 4.8 22.1 1.0 OH A:IHG830 4.9 30.6 1.0 CZ A:IHG830 4.9 30.1 1.0 N A:VAL416 4.9 21.2 1.0

Iron binding site 2 out of 2 in the Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Rat Neuronal Nos Heme Domain with N-Isopropyl-N'-Hydroxyguanidine Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe750 b:18.8 occ:1.00 FE B:HEM750 0.0 18.8 1.0 NC B:HEM750 2.0 20.1 1.0 NB B:HEM750 2.0 20.4 1.0 ND B:HEM750 2.0 20.3 1.0 NA B:HEM750 2.0 20.4 1.0 SG B:CYS415 2.2 20.7 1.0 C4C B:HEM750 3.0 20.0 1.0 C1C B:HEM750 3.0 20.2 1.0 C1D B:HEM750 3.0 20.0 1.0 C1B B:HEM750 3.1 20.4 1.0 C4B B:HEM750 3.1 20.7 1.0 C4D B:HEM750 3.1 20.2 1.0 C1A B:HEM750 3.1 20.0 1.0 C4A B:HEM750 3.1 20.1 1.0 CB B:CYS415 3.3 19.9 1.0 CHC B:HEM750 3.4 20.1 1.0 CHD B:HEM750 3.4 19.9 1.0 CHA B:HEM750 3.5 20.2 1.0 CHB B:HEM750 3.5 20.5 1.0 C3 B:IHG1830 3.8 32.8 1.0 CA B:CYS415 4.1 19.9 1.0 C3C B:HEM750 4.2 20.2 1.0 C2C B:HEM750 4.3 20.2 1.0 C3D B:HEM750 4.3 20.7 1.0 C2D B:HEM750 4.3 20.2 1.0 C2A B:HEM750 4.3 20.0 1.0 C2B B:HEM750 4.3 21.0 1.0 C3A B:HEM750 4.3 19.9 1.0 C3B B:HEM750 4.3 20.9 1.0 NE B:IHG1830 4.4 32.6 1.0 NE1 B:TRP409 4.5 19.2 1.0 C2 B:IHG1830 4.7 33.2 1.0 N B:GLY417 4.8 20.1 1.0 C B:CYS415 4.8 19.8 1.0 OH B:IHG1830 4.9 32.6 1.0 N B:VAL416 4.9 19.3 1.0 CZ B:IHG1830 4.9 32.6 1.0

H.Li, H.Shimizu, M.Flinspach, J.Jamal, W.Yang, M.Xian, T.Cai, E.Z.Wen, Q.Jia, P.G.Wang, T.L.Poulos. The Novel Binding Mode of N-Alkyl-N'-Hydroxyguanidine to Neuronal Nitric Oxide Synthase Provides Mechanistic Insights Into No Biosynthesis Biochemistry V. 41 13868 2002.
ISSN: ISSN 0006-2960
PubMed: 12437343
DOI: 10.1021/BI020417C