Iron in PDB 7pfg: 2 Minute FE2+ Soaked Structure of Synftn Variant E141A

All present enzymatic activity of 2 Minute FE2+ Soaked Structure of Synftn Variant E141A:
1.16.3.2;

The structure of 2 Minute FE2+ Soaked Structure of Synftn Variant E141A, PDB code: 7pfg was solved by A.M.Hemmings, J.M.Bradley, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.55 / 1.80
Space group	F 4 3 2
Cell size a, b, c (Å), α, β, γ (°)	176.75, 176.75, 176.75, 90, 90, 90
R / Rfree (%)	17.7 / 20.1

The structure of 2 Minute FE2+ Soaked Structure of Synftn Variant E141A also contains other interesting chemical elements:

Sodium	(Na)	1 atom
Chlorine	(Cl)	1 atom

The binding sites of Iron atom in the 2 Minute FE2+ Soaked Structure of Synftn Variant E141A (pdb code 7pfg). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the 2 Minute FE2+ Soaked Structure of Synftn Variant E141A, PDB code: 7pfg:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the 2 Minute FE2+ Soaked Structure of Synftn Variant E141A


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of 2 Minute FE2+ Soaked Structure of Synftn Variant E141A within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe201 b:33.4 occ:0.50 O A:HOH361 1.9 41.3 1.0 OE2 A:GLU33 2.0 40.0 1.0 OE1 A:GLU66 2.1 37.6 1.0 O A:HOH303 2.1 42.7 1.0 ND1 A:HIS69 2.4 34.7 1.0 CD A:GLU66 2.8 34.5 1.0 OE2 A:GLU66 2.9 45.4 1.0 CD A:GLU33 3.0 36.9 1.0 CG A:HIS69 3.3 30.0 1.0 CE1 A:HIS69 3.3 37.3 1.0 OE1 A:GLU33 3.4 36.5 1.0 CB A:HIS69 3.5 28.1 1.0 FE A:FE202 3.7 39.7 0.2 CG2 A:THR113 4.0 34.7 1.0 OE1 A:GLN143 4.1 35.9 1.0 CG A:GLU66 4.2 33.0 1.0 O A:HOH423 4.2 41.1 1.0 O A:HOH301 4.4 47.3 1.0 CG A:GLU33 4.4 35.9 1.0 CA A:GLU66 4.4 31.8 1.0 NE2 A:HIS69 4.5 34.7 1.0 CD2 A:HIS69 4.5 31.5 1.0 O A:HOH367 4.5 35.7 1.0 CB A:GLU66 4.6 31.5 1.0 O A:HOH402 4.7 34.4 1.0 CB A:GLU33 4.7 30.1 1.0 O A:GLU66 4.7 29.4 1.0 OE2 A:GLU110 4.9 37.6 1.0 CD A:GLN143 5.0 31.4 1.0

Iron binding site 2 out of 2 in the 2 Minute FE2+ Soaked Structure of Synftn Variant E141A


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of 2 Minute FE2+ Soaked Structure of Synftn Variant E141A within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe202 b:39.7 occ:0.20 OE2 A:GLU110 1.9 37.6 1.0 OE2 A:GLU66 2.0 45.4 1.0 O A:HOH301 2.0 47.3 1.0 O A:HOH303 2.1 42.7 1.0 O A:HOH367 2.1 35.7 1.0 CD A:GLU110 2.5 36.3 1.0 OE1 A:GLU110 2.6 38.8 1.0 CD A:GLU66 2.9 34.5 1.0 OE1 A:GLU66 3.5 37.6 1.0 FE A:FE201 3.7 33.4 0.5 OH A:TYR40 3.8 40.6 1.0 CG A:GLU110 4.0 40.0 1.0 CG A:GLU66 4.0 33.0 1.0 OE1 A:GLN143 4.1 35.9 1.0 CE2 A:TYR40 4.1 31.0 1.0 NE2 A:GLN143 4.3 31.6 1.0 OG1 A:THR113 4.4 37.4 1.0 CZ A:TYR40 4.5 33.4 1.0 CA A:GLU110 4.5 30.6 1.0 O A:HOH361 4.5 41.3 1.0 CB A:THR113 4.5 31.2 1.0 CG2 A:THR113 4.6 34.7 1.0 CB A:GLU110 4.6 32.7 1.0 CD A:GLN143 4.6 31.4 1.0 O A:HOH465 4.8 47.6 1.0

J.M.Bradley, J.Fair, A.M.Hemmings, N.E.Le Brun. Key Carboxylate Residues For Iron Transit Through the Prokaryotic Ferritin Syn Ftn. Microbiology (Reading, V. 167 2021ENGL.).
ISSN: ESSN 1465-2080
PubMed: 34825885
DOI: 10.1099/MIC.0.001105