Iron in PDB 1s66: Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli

The structure of Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli, PDB code: 1s66 was solved by H.J.Park, C.Suquet, J.D.Satterlee, C.H.Kang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	47.189, 68.310, 82.809, 90.00, 90.00, 90.00
R / Rfree (%)	18.9 / 22.4

The binding sites of Iron atom in the Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli (pdb code 1s66). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli, PDB code: 1s66:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ L:Fe1135 b:17.4 occ:1.00 FE L:HEM1135 0.0 17.4 1.0 NA L:HEM1135 2.1 16.1 1.0 NC L:HEM1135 2.1 16.6 1.0 NB L:HEM1135 2.1 15.2 1.0 ND L:HEM1135 2.1 19.7 1.0 NE2 L:HIS77 2.2 17.3 1.0 O1 L:OXY1136 2.3 19.9 1.0 CE1 L:HIS77 3.0 22.1 1.0 C4C L:HEM1135 3.1 16.8 1.0 C1A L:HEM1135 3.1 19.2 1.0 C1C L:HEM1135 3.1 17.1 1.0 C1B L:HEM1135 3.1 16.9 1.0 C4A L:HEM1135 3.1 18.2 1.0 C1D L:HEM1135 3.1 18.8 1.0 C4B L:HEM1135 3.1 16.9 1.0 C4D L:HEM1135 3.1 19.1 1.0 O2 L:OXY1136 3.2 28.8 1.0 CD2 L:HIS77 3.3 20.1 1.0 CHD L:HEM1135 3.4 18.7 1.0 CHA L:HEM1135 3.4 20.7 1.0 CHB L:HEM1135 3.5 18.0 1.0 CHC L:HEM1135 3.5 19.9 1.0 NH1 L:ARG97 4.2 31.0 1.0 ND1 L:HIS77 4.2 19.2 1.0 C3C L:HEM1135 4.3 16.6 1.0 C2C L:HEM1135 4.3 17.6 1.0 C2A L:HEM1135 4.3 21.2 1.0 C3A L:HEM1135 4.3 20.5 1.0 C3B L:HEM1135 4.3 19.3 1.0 C2B L:HEM1135 4.3 18.2 1.0 C2D L:HEM1135 4.3 20.6 1.0 C3D L:HEM1135 4.3 18.5 1.0 CG L:HIS77 4.4 17.9 1.0 CD1 L:ILE69 4.7 20.1 1.0

Iron binding site 2 out of 2 in the Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Crystal Structure of Heme Domain of Direct Oxygen Sensor From E. Coli within 5.0Å range: probe atom residue distance (Å) B Occ U:Fe2135 b:19.3 occ:1.00 FE U:HEM2135 0.0 19.3 1.0 NC U:HEM2135 2.1 17.6 1.0 NA U:HEM2135 2.1 18.6 1.0 NB U:HEM2135 2.1 17.6 1.0 ND U:HEM2135 2.1 17.6 1.0 NE2 U:HIS77 2.3 18.7 1.0 SD U:MET95 2.7 24.3 1.0 C1A U:HEM2135 3.1 19.7 1.0 C4C U:HEM2135 3.1 20.1 1.0 C4A U:HEM2135 3.1 18.4 1.0 C4D U:HEM2135 3.1 18.5 1.0 C1C U:HEM2135 3.1 18.9 1.0 C1D U:HEM2135 3.1 20.0 1.0 C1B U:HEM2135 3.1 19.4 1.0 C4B U:HEM2135 3.1 17.6 1.0 CE1 U:HIS77 3.2 21.3 1.0 CD2 U:HIS77 3.3 21.3 1.0 CHA U:HEM2135 3.4 16.6 1.0 CHD U:HEM2135 3.4 18.6 1.0 CHB U:HEM2135 3.5 21.7 1.0 CHC U:HEM2135 3.5 18.4 1.0 CE U:MET95 3.5 28.3 1.0 CG U:MET95 3.7 26.1 1.0 ND1 U:HIS77 4.3 24.5 1.0 C2A U:HEM2135 4.3 21.5 1.0 C3A U:HEM2135 4.3 22.7 1.0 C3C U:HEM2135 4.3 20.2 1.0 C2C U:HEM2135 4.3 17.0 1.0 C2B U:HEM2135 4.3 19.4 1.0 C3B U:HEM2135 4.3 16.6 1.0 C3D U:HEM2135 4.3 20.5 1.0 C2D U:HEM2135 4.3 18.8 1.0 CG U:HIS77 4.4 17.3 1.0

H.J.Park, C.Suquet, J.D.Satterlee, C.H.Kang. Insights Into Signal Transduction Involving Pas Domain Oxygen-Sensing Heme Proteins From the X-Ray Crystal Structure of Escherichia Coli Dos Heme Domain (Ec Dosh) Biochemistry V. 43 2738 2004.
ISSN: ISSN 0006-2960
PubMed: 15005609
DOI: 10.1021/BI035980P