Iron in PDB 6fwk: The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide

All present enzymatic activity of The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide:
2.7.7.7;

The structure of The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide, PDB code: 6fwk was solved by V.Parkash, E.Johansson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.99 / 2.50
Space group	P 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	153.961, 70.342, 158.965, 90.00, 112.82, 90.00
R / Rfree (%)	22.3 / 26.3

The structure of The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide also contains other interesting chemical elements:

Calcium

(Ca)

5 atoms

The binding sites of Iron atom in the The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide (pdb code 6fwk). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide, PDB code: 6fwk:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe1304 b:0.5 occ:0.80 SG A:CYS677 2.4 87.2 1.0 SG A:CYS763 2.6 65.3 1.0 CB A:CYS763 3.5 60.2 1.0 O A:CYS677 3.9 81.3 1.0 CB A:CYS677 4.0 73.1 1.0 CA A:CYS763 4.3 58.4 1.0 C A:CYS677 4.5 77.3 1.0 CA A:CYS677 4.9 73.4 1.0

Iron binding site 2 out of 2 in the The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of The Crystal Structure of POL2CORE-M644G in Complex with Dna and An Incoming Nucleotide within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe1305 b:92.6 occ:0.80 SG B:CYS677 2.4 82.1 1.0 SG B:CYS763 2.4 73.6 1.0 CB B:CYS763 3.7 65.0 1.0 CB B:CYS677 4.1 76.5 1.0 CA B:CYS763 4.4 60.5 1.0 O B:CYS677 4.9 75.9 1.0 C B:CYS677 4.9 82.5 1.0

V.Parkash, Y.Kulkarni, J.Ter Beek, P.V.Shcherbakova, S.C.L.Kamerlin, E.Johansson. Structural Consequence of the Most Frequently Recurring Cancer-Associated Substitution in Dna Polymerase Epsilon. Nat Commun V. 10 373 2019.
ISSN: ESSN 2041-1723
PubMed: 30670696
DOI: 10.1038/S41467-018-08114-9