Zinc in PDB 6crm: Crystal Structure of Recq Catalytic Core From C. Sakazakii Bound to An Unfolded G-Quadruplex

The structure of Crystal Structure of Recq Catalytic Core From C. Sakazakii Bound to An Unfolded G-Quadruplex, PDB code: 6crm was solved by A.F.Voter, J.L.Keck, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.83 / 2.19
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	78.468, 94.670, 98.906, 90.00, 90.00, 90.00
R / Rfree (%)	20.5 / 24

The binding sites of Zinc atom in the Crystal Structure of Recq Catalytic Core From C. Sakazakii Bound to An Unfolded G-Quadruplex (pdb code 6crm). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Crystal Structure of Recq Catalytic Core From C. Sakazakii Bound to An Unfolded G-Quadruplex, PDB code: 6crm:

Zinc binding site 1 out of 1 in the Crystal Structure of Recq Catalytic Core From C. Sakazakii Bound to An Unfolded G-Quadruplex


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of Recq Catalytic Core From C. Sakazakii Bound to An Unfolded G-Quadruplex within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn601 b:54.5 occ:1.00 SG A:CYS397 2.3 55.8 1.0 SG A:CYS380 2.4 56.8 1.0 SG A:CYS400 2.4 49.5 1.0 SG A:CYS403 2.5 60.8 1.0 CB A:CYS400 3.0 46.8 1.0 CB A:CYS380 3.4 44.6 1.0 CB A:CYS403 3.5 61.7 1.0 CB A:CYS397 3.5 64.2 1.0 N A:CYS397 3.5 60.4 1.0 N A:CYS400 3.7 56.4 1.0 N A:GLY398 3.8 69.3 1.0 CA A:CYS380 3.8 55.8 1.0 CA A:CYS397 3.9 64.5 1.0 CA A:CYS400 3.9 45.7 1.0 N A:ARG381 4.1 59.2 1.0 N A:CYS403 4.3 54.8 1.0 N A:ASN399 4.3 67.4 1.0 C A:CYS397 4.3 64.5 1.0 C A:CYS380 4.3 54.1 1.0 N A:ARG382 4.4 47.7 1.0 C A:ASN399 4.5 66.3 1.0 CA A:CYS403 4.5 59.5 1.0 CB A:ARG382 4.6 59.5 1.0 C A:PRO396 4.7 61.8 1.0 C A:CYS400 4.7 53.8 1.0 CA A:GLY398 4.7 72.3 1.0 C A:GLY398 4.9 76.7 1.0 CA A:PRO396 5.0 61.1 1.0

A.F.Voter, Y.Qiu, R.Tippana, S.Myong, J.L.Keck. A Guanine-Flipping and Sequestration Mechanism For G-Quadruplex Unwinding By Recq Helicases. Nat Commun V. 9 4201 2018.
ISSN: ESSN 2041-1723
PubMed: 30305632
DOI: 10.1038/S41467-018-06751-8