Iron in PDB 1x3x: Crystal Structure of Cytochrome B5 From Ascaris Suum

The structure of Crystal Structure of Cytochrome B5 From Ascaris Suum, PDB code: 1x3x was solved by T.Yokota, Y.Nakajima, F.Yamakura, S.Sugio, M.Hashimoto, S.Takamiya, T.Aoki, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.80
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	103.225, 41.774, 49.763, 90.00, 111.13, 90.00
R / Rfree (%)	19.2 / 23.6

The binding sites of Iron atom in the Crystal Structure of Cytochrome B5 From Ascaris Suum (pdb code 1x3x). 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 Cytochrome B5 From Ascaris Suum, PDB code: 1x3x:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Crystal Structure of Cytochrome B5 From Ascaris Suum


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 Cytochrome B5 From Ascaris Suum within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe201 b:17.4 occ:1.00 FE A:HEM201 0.0 17.4 1.0 ND A:HEM201 2.0 17.4 1.0 NC A:HEM201 2.1 16.3 1.0 NA A:HEM201 2.1 18.1 1.0 NB A:HEM201 2.1 16.6 1.0 NE2 A:HIS38 2.1 14.6 1.0 NE2 A:HIS62 2.1 15.9 1.0 C1D A:HEM201 3.0 19.6 1.0 CD2 A:HIS38 3.0 14.4 1.0 C4C A:HEM201 3.1 19.4 1.0 C4D A:HEM201 3.1 19.2 1.0 C4B A:HEM201 3.1 16.9 1.0 C1C A:HEM201 3.1 16.3 1.0 C1A A:HEM201 3.1 17.3 1.0 CD2 A:HIS62 3.1 14.8 1.0 C4A A:HEM201 3.1 18.3 1.0 C1B A:HEM201 3.1 17.7 1.0 CE1 A:HIS62 3.1 14.9 1.0 CE1 A:HIS38 3.1 14.4 1.0 CHD A:HEM201 3.4 17.8 1.0 CHA A:HEM201 3.4 19.2 1.0 CHC A:HEM201 3.4 14.8 1.0 CHB A:HEM201 3.5 18.0 1.0 CG A:HIS38 4.2 16.4 1.0 ND1 A:HIS38 4.2 15.4 1.0 ND1 A:HIS62 4.2 14.7 1.0 CG A:HIS62 4.2 14.1 1.0 C2D A:HEM201 4.3 19.4 1.0 C3D A:HEM201 4.3 21.1 1.0 C3C A:HEM201 4.3 18.7 1.0 C2C A:HEM201 4.3 17.2 1.0 C3B A:HEM201 4.3 16.4 1.0 C2A A:HEM201 4.3 18.2 1.0 C3A A:HEM201 4.3 17.9 1.0 C2B A:HEM201 4.4 17.2 1.0 N A:GLY40 4.8 19.9 1.0 CA A:GLY40 4.9 19.5 1.0

Iron binding site 2 out of 2 in the Crystal Structure of Cytochrome B5 From Ascaris Suum


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 Cytochrome B5 From Ascaris Suum within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe202 b:16.6 occ:1.00 FE B:HEM202 0.0 16.6 1.0 ND B:HEM202 2.0 14.9 1.0 NA B:HEM202 2.1 15.3 1.0 NB B:HEM202 2.1 13.1 1.0 NC B:HEM202 2.1 15.4 1.0 NE2 B:HIS62 2.1 16.9 1.0 NE2 B:HIS38 2.1 16.1 1.0 C1D B:HEM202 3.0 17.6 1.0 CE1 B:HIS62 3.1 15.1 1.0 C4D B:HEM202 3.1 16.8 1.0 C4C B:HEM202 3.1 14.3 1.0 C1A B:HEM202 3.1 16.2 1.0 CD2 B:HIS62 3.1 17.4 1.0 C4B B:HEM202 3.1 14.2 1.0 C4A B:HEM202 3.1 16.2 1.0 C1C B:HEM202 3.1 14.9 1.0 C1B B:HEM202 3.1 14.8 1.0 CE1 B:HIS38 3.1 14.3 1.0 CD2 B:HIS38 3.1 14.8 1.0 CHD B:HEM202 3.4 17.6 1.0 CHA B:HEM202 3.4 16.6 1.0 CHC B:HEM202 3.4 14.1 1.0 CHB B:HEM202 3.5 15.7 1.0 ND1 B:HIS62 4.2 14.9 1.0 CG B:HIS62 4.2 14.9 1.0 ND1 B:HIS38 4.2 16.2 1.0 CG B:HIS38 4.3 16.2 1.0 C2D B:HEM202 4.3 18.2 1.0 C3D B:HEM202 4.3 18.4 1.0 C2A B:HEM202 4.3 16.6 1.0 C3B B:HEM202 4.3 12.5 1.0 C3A B:HEM202 4.3 16.0 1.0 C3C B:HEM202 4.3 16.1 1.0 C2C B:HEM202 4.3 14.9 1.0 C2B B:HEM202 4.4 13.7 1.0 O B:PRO39 4.4 30.5 1.0

T.Yokota, Y.Nakajima, F.Yamakura, S.Sugio, M.Hashimoto, S.Takamiya. Unique Structure of Ascaris Suum B5-Type Cytochrome: An Additional Alpha-Helix and Positively Charged Residues on the Surface Domain Interact with Redox Partners Biochem.J. V. 394 437 2006.
ISSN: ISSN 0264-6021
PubMed: 16288599
DOI: 10.1042/BJ20051308