Iron in PDB 6a18: Crystal Structure of CYP90B1 in Complex with 1,6-Hexandiol

The structure of Crystal Structure of CYP90B1 in Complex with 1,6-Hexandiol, PDB code: 6a18 was solved by K.Fujiyama, T.Hino, M.Kanadani, M.Mizutani, S.Nagano, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.02 / 2.48
Space group	P 65
Cell size a, b, c (Å), α, β, γ (°)	146.715, 146.715, 64.605, 90.00, 90.00, 120.00
R / Rfree (%)	18.3 / 21.6

The structure of Crystal Structure of CYP90B1 in Complex with 1,6-Hexandiol also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Iron atom in the Crystal Structure of CYP90B1 in Complex with 1,6-Hexandiol (pdb code 6a18). 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 CYP90B1 in Complex with 1,6-Hexandiol, PDB code: 6a18:

Iron binding site 1 out of 1 in the Crystal Structure of CYP90B1 in Complex with 1,6-Hexandiol


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 CYP90B1 in Complex with 1,6-Hexandiol within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe601 b:40.7 occ:1.00 FE A:HEM601 0.0 40.7 1.0 ND A:HEM601 2.0 37.6 1.0 NC A:HEM601 2.1 45.2 1.0 NB A:HEM601 2.1 41.3 1.0 NA A:HEM601 2.1 37.3 1.0 SG A:CYS462 2.5 46.7 1.0 O6 A:HEZ605 2.7 48.7 1.0 C1D A:HEM601 3.0 38.2 1.0 C4C A:HEM601 3.0 41.6 1.0 C4A A:HEM601 3.1 42.6 1.0 C4D A:HEM601 3.1 44.0 1.0 C1B A:HEM601 3.1 41.8 1.0 C4B A:HEM601 3.1 42.4 1.0 C1A A:HEM601 3.1 43.1 1.0 C1C A:HEM601 3.1 39.5 1.0 CHD A:HEM601 3.4 38.2 1.0 CHB A:HEM601 3.4 39.6 1.0 CB A:CYS462 3.5 39.5 1.0 CHC A:HEM601 3.5 40.8 1.0 CHA A:HEM601 3.5 42.8 1.0 C6 A:HEZ605 3.6 51.8 1.0 CA A:CYS462 4.2 40.7 1.0 C2D A:HEM601 4.2 41.0 1.0 C3C A:HEM601 4.3 42.0 1.0 C3D A:HEM601 4.3 43.7 1.0 C3A A:HEM601 4.3 41.8 1.0 C3B A:HEM601 4.3 39.9 1.0 C2B A:HEM601 4.3 42.6 1.0 C2C A:HEM601 4.3 37.1 1.0 C2A A:HEM601 4.3 45.0 1.0 O A:ALA311 4.3 45.9 1.0 C5 A:HEZ605 4.7 45.5 1.0 N A:GLY464 4.8 39.8 1.0 C A:CYS462 4.8 40.2 1.0 OG1 A:THR315 4.8 49.9 1.0 N A:ALA463 4.9 38.6 1.0 CG2 A:THR315 4.9 42.5 1.0

K.Fujiyama, T.Hino, M.Kanadani, B.Watanabe, H.Jae Lee, M.Mizutani, S.Nagano. Structural Insights Into A Key Step of Brassinosteroid Biosynthesis and Its Inhibition. Nat.Plants V. 5 589 2019.
ISSN: ESSN 2055-0278
PubMed: 31182839
DOI: 10.1038/S41477-019-0436-6