Iron in PDB 1po3: Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate

The structure of Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate, PDB code: 1po3 was solved by W.W.Yue, S.Grizot, S.K.Buchanan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 3.40
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	85.489, 147.003, 96.131, 90.00, 110.58, 90.00
R / Rfree (%)	23.9 / 31.4

The binding sites of Iron atom in the Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate (pdb code 1po3). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 4 binding sites of Iron where determined in the Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate, PDB code: 1po3:
Jump to Iron binding site number: 1; 2; 3; 4;

Iron binding site 1 out of 4 in the Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate


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 Ferric Citrate Transporter Feca in Complex with Ferric Citrate within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe744 b:40.3 occ:1.00 OG2 A:FLC743 2.1 56.0 1.0 OB2 A:FLC742 2.2 56.0 1.0 OHB A:FLC743 2.2 56.0 1.0 OG2 A:FLC742 2.5 56.0 1.0 OHB A:FLC742 2.5 56.0 1.0 OB2 A:FLC743 2.7 56.0 1.0 CGC A:FLC743 2.9 56.0 1.0 CG A:FLC743 2.9 56.0 1.0 CBC A:FLC742 3.1 56.0 1.0 FE A:FE745 3.2 45.0 1.0 CBC A:FLC743 3.4 56.0 1.0 CB A:FLC743 3.4 56.0 1.0 CGC A:FLC742 3.4 56.0 1.0 CG A:FLC742 3.6 56.0 1.0 CB A:FLC742 3.6 56.0 1.0 NH1 A:ARG380 3.8 47.1 1.0 OE1 A:GLN570 3.8 44.5 1.0 CD A:GLN570 3.9 44.5 1.0 OB1 A:FLC742 4.0 56.0 1.0 OG1 A:FLC743 4.0 56.0 1.0 NH2 A:ARG155 4.1 25.1 1.0 CG2 A:THR138 4.1 38.7 1.0 OG1 A:THR138 4.2 38.7 1.0 NE2 A:GLN570 4.3 44.5 1.0 CA A:FLC743 4.4 56.0 1.0 CG A:GLN570 4.4 44.5 1.0 OB1 A:FLC743 4.4 56.0 1.0 OG1 A:FLC742 4.5 56.0 1.0 CA A:FLC742 4.7 56.0 1.0 CB A:THR138 4.7 38.7 1.0 CZ A:ARG380 4.8 47.1 1.0 NH2 A:ARG380 4.8 47.1 1.0 NH1 A:ARG365 4.9 24.7 1.0 OA2 A:FLC742 4.9 56.0 1.0

Iron binding site 2 out of 4 in the Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate


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 Ferric Citrate Transporter Feca in Complex with Ferric Citrate within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe745 b:45.0 occ:1.00 NE2 A:GLN570 2.2 44.5 1.0 OA2 A:FLC742 2.2 56.0 1.0 OHB A:FLC742 2.5 56.0 1.0 OHB A:FLC743 2.7 56.0 1.0 OA1 A:FLC743 2.8 56.0 1.0 CBC A:FLC743 2.9 56.0 1.0 OB2 A:FLC743 2.9 56.0 1.0 CD A:GLN570 3.0 44.5 1.0 OB1 A:FLC743 3.1 56.0 1.0 CBC A:FLC742 3.2 56.0 1.0 FE A:FE744 3.2 40.3 1.0 CAC A:FLC742 3.2 56.0 1.0 OB1 A:FLC742 3.4 56.0 1.0 OE1 A:GLN570 3.4 44.5 1.0 OB2 A:FLC742 3.4 56.0 1.0 CA A:FLC742 3.5 56.0 1.0 CB A:FLC742 3.5 56.0 1.0 CB A:FLC743 3.6 56.0 1.0 CAC A:FLC743 3.7 56.0 1.0 CA A:FLC743 3.9 56.0 1.0 CG A:GLN570 4.0 44.5 1.0 NH2 A:ARG380 4.2 47.1 1.0 OA1 A:FLC742 4.4 56.0 1.0 CB A:GLN570 4.4 44.5 1.0 OD1 A:ASP573 4.5 97.9 1.0 CG A:FLC742 4.5 56.0 1.0 CG A:FLC743 4.6 56.0 1.0 NH1 A:ARG438 4.7 40.7 1.0 CA A:GLN570 4.7 53.4 1.0 OG2 A:FLC743 4.7 56.0 1.0 NH1 A:ARG380 4.8 47.1 1.0 OA2 A:FLC743 4.8 56.0 1.0 CZ A:ARG380 5.0 47.1 1.0

Iron binding site 3 out of 4 in the Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 3 of Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe744 b:37.1 occ:1.00 OB2 B:FLC742 1.8 56.0 1.0 OG2 B:FLC743 2.0 56.0 1.0 OHB B:FLC742 2.0 56.0 1.0 OG2 B:FLC742 2.4 56.0 1.0 OHB B:FLC743 2.5 56.0 1.0 CBC B:FLC742 2.7 56.0 1.0 CGC B:FLC743 2.7 56.0 1.0 CG B:FLC743 2.9 56.0 1.0 CGC B:FLC742 3.0 56.0 1.0 CG B:FLC742 3.0 56.0 1.0 CB B:FLC742 3.0 56.0 1.0 FE B:FE745 3.1 73.2 1.0 OB1 B:FLC743 3.6 56.0 1.0 CB B:FLC743 3.6 56.0 1.0 CBC B:FLC743 3.7 56.0 1.0 OB1 B:FLC742 3.7 56.0 1.0 OG1 B:FLC743 3.8 56.0 1.0 CG2 B:THR138 3.9 55.4 1.0 OE1 B:GLN570 4.0 38.2 1.0 CA B:FLC742 4.1 56.0 1.0 OG1 B:FLC742 4.1 56.0 1.0 OG1 B:THR138 4.2 55.4 1.0 NH2 B:ARG155 4.3 48.1 1.0 NH1 B:ARG365 4.4 34.8 1.0 OB2 B:FLC743 4.4 56.0 1.0 CA B:FLC743 4.5 56.0 1.0 CD B:GLN570 4.6 38.2 1.0 CB B:THR138 4.7 55.4 1.0 OA2 B:FLC742 4.8 56.0 1.0 NH1 B:ARG380 4.8 73.6 1.0 CAC B:FLC742 4.8 56.0 1.0 NE2 B:GLN570 5.0 38.2 1.0

Iron binding site 4 out of 4 in the Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 4 of Crystal Structure of Ferric Citrate Transporter Feca in Complex with Ferric Citrate within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe745 b:73.2 occ:1.00 OA2 B:FLC742 2.1 56.0 1.0 OHB B:FLC743 2.1 56.0 1.0 OB1 B:FLC743 2.1 56.0 1.0 OHB B:FLC742 2.4 56.0 1.0 OA1 B:FLC743 2.5 56.0 1.0 CAC B:FLC742 2.7 56.0 1.0 OB2 B:FLC742 2.8 56.0 1.0 NE2 B:GLN570 2.8 38.2 1.0 CBC B:FLC743 3.0 56.0 1.0 OE1 B:GLN570 3.0 38.2 1.0 FE B:FE744 3.1 37.1 1.0 CA B:FLC742 3.1 56.0 1.0 CD B:GLN570 3.2 38.2 1.0 CAC B:FLC743 3.3 56.0 1.0 CB B:FLC743 3.3 56.0 1.0 CBC B:FLC742 3.3 56.0 1.0 CA B:FLC743 3.4 56.0 1.0 CB B:FLC742 3.4 56.0 1.0 OA1 B:FLC742 3.6 56.0 1.0 CG B:FLC743 4.0 56.0 1.0 OB2 B:FLC743 4.2 56.0 1.0 OG2 B:FLC743 4.2 56.0 1.0 CG B:FLC742 4.4 56.0 1.0 OB1 B:FLC742 4.4 56.0 1.0 OA2 B:FLC743 4.4 56.0 1.0 CGC B:FLC743 4.6 56.0 1.0 CG B:GLN570 4.6 38.2 1.0 NH2 B:ARG155 4.9 48.1 1.0 NH1 B:ARG380 4.9 73.6 1.0 NH2 B:ARG380 5.0 73.6 1.0

W.W.Yue, S.Grizot, S.K.Buchanan. Structural Evidence For Iron-Free Citrate and Ferric Citrate Binding to the Tonb-Dependent Outer Membrane Transporter Feca J.Mol.Biol. V. 332 353 2003.
ISSN: ISSN 0022-2836
PubMed: 12948487
DOI: 10.1016/S0022-2836(03)00855-6