Cobalt in PDB 6kfl: Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4

The structure of Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4, PDB code: 6kfl was solved by Y.S.Zhang, G.N.Parkinson, D.G.Wei, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.06 / 1.92
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	48.152, 47.192, 38.133, 90.00, 113.15, 90.00
R / Rfree (%)	21.8 / 26.2

The structure of Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4 also contains other interesting chemical elements:

Potassium

(K)

4 atoms

The binding sites of Cobalt atom in the Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4 (pdb code 6kfl). This binding sites where shown within 5.0 Angstroms radius around Cobalt atom.
In total only one binding site of Cobalt was determined in the Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4, PDB code: 6kfl:

Cobalt binding site 1 out of 1 in the Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4


Mono view


Stereo pair view

A full contact list of Cobalt with other atoms in the Co binding site number 1 of Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4 within 5.0Å range: probe atom residue distance (Å) B Occ A:Co106 b:86.6 occ:1.00 CO A:NCO106 0.0 86.6 1.0 N2 A:NCO106 2.0 86.9 1.0 N5 A:NCO106 2.0 86.8 1.0 N1 A:NCO106 2.0 88.0 1.0 N6 A:NCO106 2.0 89.8 1.0 N3 A:NCO106 2.0 83.3 1.0 N4 A:NCO106 2.0 85.5 1.0 O A:HOH211 4.0 57.2 1.0 OP1 A:DA14 4.0 21.5 0.5 OP1 A:DA14 4.0 20.7 0.5 O A:HOH213 4.1 36.0 1.0 O4' B:DC8 4.9 23.3 1.0

Y.S.Zhang, G.N.Parkinson, D.G.Wei. Crystal Structure of A Two-Quartet Dna G-Quadruplex Complexed with the Porphyrin TMPYP4 To Be Published.