Iron in PDB 1p6k: Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound

All present enzymatic activity of Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound:
1.14.13.39;

The structure of Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound, PDB code: 1p6k 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)	49.38 / 1.78
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	51.770, 109.740, 164.390, 90.00, 90.00, 90.00
R / Rfree (%)	22.5 / 25

The structure of Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

The binding sites of Iron atom in the Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound (pdb code 1p6k). 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 D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound, PDB code: 1p6k:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide 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 D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe750 b:25.1 occ:1.00 FE A:HEM750 0.0 25.1 1.0 NC A:HEM750 2.0 26.2 1.0 NA A:HEM750 2.0 26.7 1.0 ND A:HEM750 2.0 26.6 1.0 NB A:HEM750 2.1 26.6 1.0 SG A:CYS415 2.3 26.3 1.0 C1D A:HEM750 3.0 26.0 1.0 C1C A:HEM750 3.1 26.0 1.0 C1A A:HEM750 3.1 26.3 1.0 C4D A:HEM750 3.1 26.2 1.0 C4C A:HEM750 3.1 25.8 1.0 C4A A:HEM750 3.1 26.5 1.0 C1B A:HEM750 3.1 26.6 1.0 C4B A:HEM750 3.1 26.4 1.0 CB A:CYS415 3.3 26.2 1.0 CHD A:HEM750 3.4 26.1 1.0 CHA A:HEM750 3.4 26.3 1.0 CHC A:HEM750 3.4 26.3 1.0 CHB A:HEM750 3.5 26.6 1.0 CA A:CYS415 4.0 26.1 1.0 C2D A:HEM750 4.2 25.9 1.0 C3D A:HEM750 4.3 26.2 1.0 NH1 A:DP1790 4.3 39.9 1.0 C3C A:HEM750 4.3 25.9 1.0 C2C A:HEM750 4.3 26.0 1.0 C2A A:HEM750 4.3 26.3 1.0 C3A A:HEM750 4.3 26.5 1.0 C2B A:HEM750 4.4 26.8 1.0 C3B A:HEM750 4.4 26.7 1.0 NE1 A:TRP409 4.4 25.4 1.0 NO A:DP1790 4.5 40.1 1.0 CZ A:DP1790 4.7 40.3 1.0 O3 A:DP1790 4.8 39.8 1.0 C A:CYS415 4.8 26.3 1.0 O2 A:DP1790 4.8 39.9 1.0 N A:GLY417 4.9 27.0 1.0 N A:VAL416 4.9 26.1 1.0 NH2 A:DP1790 4.9 39.5 1.0

Iron binding site 2 out of 2 in the Rat Neuronal Nos D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide 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 D597N Mutant Heme Domain with L-N(Omega)- Nitroarginine-2,4-L-Diaminobutyric Amide Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe750 b:24.0 occ:1.00 FE B:HEM750 0.0 24.0 1.0 ND B:HEM750 2.0 23.8 1.0 NC B:HEM750 2.0 23.4 1.0 NB B:HEM750 2.0 23.2 1.0 NA B:HEM750 2.0 23.6 1.0 SG B:CYS415 2.3 23.6 1.0 C4D B:HEM750 3.0 23.7 1.0 C4B B:HEM750 3.0 23.4 1.0 C1D B:HEM750 3.0 23.7 1.0 C1C B:HEM750 3.0 23.3 1.0 C1A B:HEM750 3.1 23.4 1.0 C4C B:HEM750 3.1 23.1 1.0 C1B B:HEM750 3.1 23.7 1.0 C4A B:HEM750 3.1 23.5 1.0 CB B:CYS415 3.3 23.4 1.0 CHC B:HEM750 3.4 23.4 1.0 CHA B:HEM750 3.4 23.6 1.0 CHD B:HEM750 3.4 23.8 1.0 CHB B:HEM750 3.5 23.4 1.0 CA B:CYS415 4.1 23.6 1.0 NH1 B:DP1791 4.3 42.0 1.0 C3D B:HEM750 4.3 24.5 1.0 C2D B:HEM750 4.3 23.9 1.0 C2B B:HEM750 4.3 23.7 1.0 C2A B:HEM750 4.3 23.7 1.0 C2C B:HEM750 4.3 23.4 1.0 C3B B:HEM750 4.3 24.1 1.0 C3C B:HEM750 4.3 23.7 1.0 C3A B:HEM750 4.3 23.2 1.0 NE1 B:TRP409 4.4 22.2 1.0 NO B:DP1791 4.5 41.9 1.0 O2 B:DP1791 4.6 41.7 1.0 CZ B:DP1791 4.7 42.2 1.0 N B:GLY417 4.8 23.9 1.0 C B:CYS415 4.8 23.8 1.0 NH2 B:DP1791 4.9 41.9 1.0 N B:VAL416 5.0 23.5 1.0 O3 B:DP1791 5.0 41.7 1.0

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