Iron in PDB 1m2i: Crystal Structure of E44A/E56A Mutant of Cytochrome B5

The structure of Crystal Structure of E44A/E56A Mutant of Cytochrome B5, PDB code: 1m2i was solved by J.Wu, Y.-H.Wang, J.-H.Gan, W.-H.Wang, B.-Y.Sun, Z.-X.Huang, Z.-X.Xia, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.90 / 1.80
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	70.693, 40.490, 39.199, 90.00, 111.43, 90.00
R / Rfree (%)	19.3 / 23.2

The binding sites of Iron atom in the Crystal Structure of E44A/E56A Mutant of Cytochrome B5 (pdb code 1m2i). 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 Crystal Structure of E44A/E56A Mutant of Cytochrome B5, PDB code: 1m2i:

Iron binding site 1 out of 1 in the Crystal Structure of E44A/E56A Mutant of Cytochrome B5


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 E44A/E56A Mutant of Cytochrome B5 within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe201 b:19.4 occ:1.00 FE A:HEM201 0.0 19.4 1.0 NC A:HEM201 2.0 19.6 1.0 NA A:HEM201 2.0 19.3 1.0 ND A:HEM201 2.0 20.9 1.0 NB A:HEM201 2.0 18.9 1.0 NE2 A:HIS63 2.0 18.0 1.0 NE2 A:HIS39 2.1 17.7 1.0 CD2 A:HIS63 3.0 20.2 1.0 C1C A:HEM201 3.0 20.9 1.0 C4A A:HEM201 3.0 19.2 1.0 C4D A:HEM201 3.0 23.4 1.0 C1A A:HEM201 3.0 21.6 1.0 C1B A:HEM201 3.0 19.1 1.0 C4B A:HEM201 3.0 19.5 1.0 CE1 A:HIS63 3.0 18.5 1.0 C1D A:HEM201 3.1 21.9 1.0 C4C A:HEM201 3.1 21.2 1.0 CE1 A:HIS39 3.1 17.7 1.0 CD2 A:HIS39 3.1 17.5 1.0 CHC A:HEM201 3.4 19.7 1.0 CHA A:HEM201 3.4 22.8 1.0 CHB A:HEM201 3.4 19.9 1.0 CHD A:HEM201 3.5 21.9 1.0 ND1 A:HIS63 4.2 20.3 1.0 CG A:HIS63 4.2 20.1 1.0 ND1 A:HIS39 4.2 18.2 1.0 CG A:HIS39 4.3 18.7 1.0 C3A A:HEM201 4.3 22.1 1.0 C2C A:HEM201 4.3 20.9 1.0 C2B A:HEM201 4.3 19.0 1.0 C3B A:HEM201 4.3 19.9 1.0 C2D A:HEM201 4.3 23.1 1.0 C3D A:HEM201 4.3 25.3 1.0 C2A A:HEM201 4.3 21.7 1.0 C3C A:HEM201 4.3 21.9 1.0

J.Wu, Y.-H.Wang, J.-H.Gan, W.-H.Wang, B.-Y.Sun, Z.-X.Huang, Z.-X.Xia. Structures of Cytochrome B5 Mutated at the Charged Surface-Residues and Their Interactions with Cytochrome C Chin.J.Chem. V. 20 1225 2002.
ISSN: ISSN 1001-604X