Iron in PDB 1rw4: Nitrogenase Fe Protein L127 Deletion Variant

All present enzymatic activity of Nitrogenase Fe Protein L127 Deletion Variant:
1.18.6.1;

The structure of Nitrogenase Fe Protein L127 Deletion Variant, PDB code: 1rw4 was solved by S.Sen, R.Igarashi, A.Smith, M.K.Johnson, L.C.Seefeldt, J.W.Peters, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 2.50
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	70.780, 133.090, 61.080, 90.00, 90.00, 90.00
R / Rfree (%)	22 / 27.2

The binding sites of Iron atom in the Nitrogenase Fe Protein L127 Deletion Variant (pdb code 1rw4). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Nitrogenase Fe Protein L127 Deletion Variant, PDB code: 1rw4:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Nitrogenase Fe Protein L127 Deletion Variant


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Nitrogenase Fe Protein L127 Deletion Variant within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe290 b:99.3 occ:1.00 FE1 A:SF4290 0.0 99.3 1.0 S2 A:SF4290 2.3 0.0 1.0 SG A:CYS97 2.5 85.8 1.0 O A:HOH553 2.8 52.7 1.0 N A:ARG100 3.2 74.2 1.0 CA A:GLY99 3.4 75.1 1.0 CB A:CYS97 3.5 92.3 1.0 O1 A:GOL501 3.5 100.0 1.0 C A:GLY99 3.5 74.0 1.0 N A:GLY99 3.6 78.0 1.0 O2 A:GOL501 3.8 92.1 1.0 C1 A:GOL501 3.8 99.6 1.0 CB A:ARG100 4.1 80.9 1.0 CA A:ARG100 4.1 75.5 1.0 C2 A:GOL501 4.3 99.1 1.0 O A:GLY99 4.5 68.9 1.0 CA A:CYS97 4.7 88.0 1.0 C A:ALA98 4.8 82.0 1.0 N A:ALA98 4.8 86.7 1.0 C A:CYS97 4.8 86.7 1.0 C3 A:GOL501 4.8 99.9 1.0

Iron binding site 2 out of 2 in the Nitrogenase Fe Protein L127 Deletion Variant


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Nitrogenase Fe Protein L127 Deletion Variant within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe290 b:97.8 occ:1.00 FE2 A:SF4290 0.0 97.8 1.0 S1 A:SF4290 2.3 73.7 1.0 SG A:CYS132 2.4 87.4 1.0 CB A:CYS132 3.7 84.1 1.0 C A:CYS132 4.7 79.0 1.0 CA A:CYS132 4.8 81.8 1.0 O A:CYS132 4.9 78.4 1.0 N A:GLY133 5.0 77.8 1.0

S.Sen, R.Igarashi, A.Smith, M.K.Johnson, L.C.Seefeldt, J.W.Peters. A Conformational Mimic of the Mgatp-Bound "on State" of the Nitrogenase Iron Protein. Biochemistry V. 43 1787 2004.
ISSN: ISSN 0006-2960
PubMed: 14967020
DOI: 10.1021/BI0358465