Iron in PDB 4x1b: Human Serum Transferrin with Ferric Ion Bound at the C-Lobe Only

The structure of Human Serum Transferrin with Ferric Ion Bound at the C-Lobe Only, PDB code: 4x1b was solved by M.Wang, H.Zhang, H.Sun, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.45
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	137.056, 156.649, 107.162, 90.00, 90.00, 90.00
R / Rfree (%)	19 / 22.7

The binding sites of Iron atom in the Human Serum Transferrin with Ferric Ion Bound at the C-Lobe Only (pdb code 4x1b). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total only one binding site of Iron was determined in the Human Serum Transferrin with Ferric Ion Bound at the C-Lobe Only, PDB code: 4x1b:

Iron binding site 1 out of 1 in the Human Serum Transferrin with Ferric Ion Bound at the C-Lobe Only


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Human Serum Transferrin with Ferric Ion Bound at the C-Lobe Only within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe701 b:52.8 occ:1.00 O7 A:MLI702 1.8 50.0 1.0 O9 A:MLI702 1.8 53.4 1.0 NE2 A:HIS585 2.0 71.2 1.0 OH A:TYR517 2.0 64.6 1.0 OH A:TYR426 2.0 66.9 1.0 OD1 A:ASP392 2.6 65.3 1.0 C3 A:MLI702 2.9 50.9 1.0 C2 A:MLI702 2.9 47.1 1.0 CE1 A:HIS585 2.9 67.9 1.0 CD2 A:HIS585 3.0 66.4 1.0 CZ A:TYR426 3.1 66.2 1.0 CZ A:TYR517 3.2 56.2 1.0 CG A:ASP392 3.3 61.5 1.0 C1 A:MLI702 3.4 44.5 1.0 CB A:ASP392 3.6 60.0 1.0 CE2 A:TYR426 3.8 69.1 1.0 O8 A:MLI702 3.9 50.0 1.0 O A:HOH916 4.0 46.9 1.0 CE1 A:TYR517 4.0 54.5 1.0 O6 A:MLI702 4.0 46.0 1.0 CE2 A:TYR517 4.0 54.6 1.0 CE1 A:TYR426 4.0 64.9 1.0 ND1 A:HIS585 4.1 65.3 1.0 CG A:HIS585 4.1 65.1 1.0 OD2 A:ASP392 4.3 62.4 1.0 CA A:ASP392 4.3 57.9 1.0 CB A:THR457 4.4 59.6 1.0 OG1 A:THR457 4.7 61.5 1.0 N A:THR457 4.9 55.4 1.0 N A:ALA458 4.9 53.8 1.0 N A:GLY393 5.0 57.0 1.0

M.Wang, T.P.Lai, L.Wang, H.Zhang, N.Yang, P.J.Sadler, H.Sun. "Anion Clamp" Allows Flexible Protein to Impose Coordination Geometry on Metal Ions Chem.Commun.(Camb.) 2015.
ISSN: ESSN 1364-548X
DOI: 10.1039/C4CC09642H