Iron in PDB 1crc: Cytochrome C at Low Ionic Strength

The structure of Cytochrome C at Low Ionic Strength, PDB code: 1crc was solved by R.Sanishvili, K.W.Volz, E.M.Westbrook, E.Margoliash, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 2.08
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	55.620, 105.010, 35.110, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Iron atom in the Cytochrome C at Low Ionic Strength (pdb code 1crc). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Cytochrome C at Low Ionic Strength, PDB code: 1crc:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Cytochrome C at Low Ionic Strength


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Cytochrome C at Low Ionic Strength within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe105 b:10.1 occ:1.00 FE A:HEM105 0.0 10.1 1.0 NC A:HEM105 1.9 9.2 1.0 NA A:HEM105 2.0 8.5 1.0 ND A:HEM105 2.0 8.6 1.0 NB A:HEM105 2.0 8.4 1.0 NE2 A:HIS18 2.2 4.1 1.0 SD A:MET80 2.7 8.2 1.0 C4C A:HEM105 3.0 9.2 1.0 C1C A:HEM105 3.0 9.3 1.0 C1A A:HEM105 3.0 8.5 1.0 C1B A:HEM105 3.0 7.1 1.0 C4B A:HEM105 3.0 8.2 1.0 C1D A:HEM105 3.0 8.2 1.0 C4D A:HEM105 3.0 8.2 1.0 C4A A:HEM105 3.0 8.4 1.0 CD2 A:HIS18 3.0 4.3 1.0 CE1 A:HIS18 3.2 4.2 1.0 CHD A:HEM105 3.4 8.0 1.0 CHB A:HEM105 3.4 7.8 1.0 CHC A:HEM105 3.4 8.9 1.0 CHA A:HEM105 3.4 8.6 1.0 CE A:MET80 3.6 7.9 1.0 CG A:MET80 3.9 9.9 1.0 C3C A:HEM105 4.2 9.3 1.0 C2C A:HEM105 4.2 9.2 1.0 C2A A:HEM105 4.2 8.6 1.0 CG A:HIS18 4.2 5.9 1.0 C2B A:HEM105 4.2 7.1 1.0 C3B A:HEM105 4.2 7.9 1.0 C3A A:HEM105 4.3 8.6 1.0 C2D A:HEM105 4.3 8.1 1.0 C3D A:HEM105 4.3 8.0 1.0 ND1 A:HIS18 4.3 5.6 1.0 CB A:MET80 4.5 12.3 1.0 OH A:TYR67 4.9 19.5 1.0

Iron binding site 2 out of 2 in the Cytochrome C at Low Ionic Strength


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Cytochrome C at Low Ionic Strength within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe105 b:16.3 occ:1.00 FE B:HEM105 0.0 16.3 1.0 NE2 B:HIS18 2.0 7.3 1.0 NC B:HEM105 2.0 16.3 1.0 ND B:HEM105 2.0 16.5 1.0 SD B:MET80 2.0 14.6 1.0 NA B:HEM105 2.0 16.7 1.0 NB B:HEM105 2.0 16.4 1.0 CE1 B:HIS18 2.9 8.0 1.0 C4C B:HEM105 3.0 16.5 1.0 CD2 B:HIS18 3.0 9.1 1.0 CE B:MET80 3.0 14.4 1.0 C1C B:HEM105 3.0 16.4 1.0 C1D B:HEM105 3.0 15.5 1.0 C4A B:HEM105 3.0 16.6 1.0 C4D B:HEM105 3.0 15.8 1.0 C4B B:HEM105 3.0 16.3 1.0 C1A B:HEM105 3.1 16.1 1.0 C1B B:HEM105 3.1 16.0 1.0 CHD B:HEM105 3.3 15.3 1.0 CHC B:HEM105 3.4 16.4 1.0 CHA B:HEM105 3.4 16.5 1.0 CHB B:HEM105 3.4 16.0 1.0 CG B:MET80 3.6 16.1 1.0 ND1 B:HIS18 4.1 7.7 1.0 CG B:HIS18 4.1 10.3 1.0 C3C B:HEM105 4.2 16.4 1.0 CB B:MET80 4.2 17.4 1.0 C2C B:HEM105 4.2 16.0 1.0 C2D B:HEM105 4.2 15.6 1.0 C3D B:HEM105 4.2 15.1 1.0 C3A B:HEM105 4.3 16.3 1.0 C2A B:HEM105 4.3 15.4 1.0 C3B B:HEM105 4.3 15.7 1.0 C2B B:HEM105 4.3 15.8 1.0 OH B:TYR67 4.8 22.5 1.0

R.Sanishvili, K.W.Volz, E.M.Westbrook, E.Margoliash. The Low Ionic Strength Crystal Structure of Horse Cytochrome C at 2.1 A Resolution and Comparison with Its High Ionic Strength Counterpart. Structure V. 3 707 1995.
ISSN: ISSN 0969-2126
PubMed: 8591047
DOI: 10.1016/S0969-2126(01)00205-2