Potassium in PDB 4g0f: Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6)

The structure of Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6), PDB code: 4g0f was solved by J.M.Nicoludis, S.T.Miller, P.Jeffrey, T.J.Lawton, A.C.Rosenzweig, L.A.Yatsunyk, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	42.36 / 2.15
Space group	P 6
Cell size a, b, c (Å), α, β, γ (°)	64.200, 64.200, 42.360, 90.00, 90.00, 120.00
R / Rfree (%)	23.8 / 26.2

The binding sites of Potassium atom in the Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6) (pdb code 4g0f). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6), PDB code: 4g0f:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6) within 5.0Å range: probe atom residue distance (Å) B Occ A:K101 b:48.4 occ:1.00 O6 A:DG16 2.7 46.6 1.0 O6 A:DG22 2.7 53.5 1.0 O6 A:DG4 2.8 43.5 1.0 O6 A:DG21 2.8 43.2 1.0 O6 A:DG10 2.8 41.6 1.0 O6 A:DG9 3.0 46.5 1.0 O6 A:DG3 3.0 51.1 1.0 O6 A:DG15 3.0 48.8 1.0 K A:K102 3.3 47.5 1.0 C6 A:DG16 3.7 41.2 1.0 C6 A:DG22 3.7 49.7 1.0 C6 A:DG21 3.7 41.1 1.0 C6 A:DG4 3.7 40.7 1.0 C6 A:DG15 3.7 42.2 1.0 C6 A:DG3 3.7 42.3 1.0 C6 A:DG9 3.8 40.0 1.0 C6 A:DG10 3.8 40.5 1.0 N1 A:DG4 3.9 31.4 1.0 N1 A:DG22 3.9 43.4 1.0 N1 A:DG3 4.0 40.0 1.0 N1 A:DG16 4.0 36.8 1.0 N1 A:DG15 4.0 42.7 1.0 N1 A:DG21 4.0 38.5 1.0 N1 A:DG10 4.1 36.8 1.0 N1 A:DG9 4.2 41.6 1.0 C1 A:MMP104 4.5 39.1 1.0 C5 A:DG21 4.8 40.6 1.0 C5 A:DG15 4.9 39.2 1.0 C5 A:DG3 4.9 37.4 1.0 C5 A:DG9 4.9 41.2 1.0 C5 A:DG16 5.0 39.8 1.0 C5 A:DG22 5.0 45.8 1.0

Potassium binding site 2 out of 3 in the Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6) within 5.0Å range: probe atom residue distance (Å) B Occ A:K102 b:47.5 occ:1.00 O6 A:DG15 2.6 48.8 1.0 O6 A:DG3 2.7 51.1 1.0 O6 A:DG9 2.7 46.5 1.0 O6 A:DG8 2.8 37.2 1.0 O6 A:DG21 2.8 43.2 1.0 O6 A:DG20 2.8 39.4 1.0 O6 A:DG14 2.9 53.3 1.0 O6 A:DG2 3.0 46.0 1.0 K A:K101 3.3 48.4 1.0 K A:K103 3.4 45.9 0.5 C6 A:DG3 3.6 42.3 1.0 C6 A:DG15 3.6 42.2 1.0 C6 A:DG20 3.7 36.3 1.0 C6 A:DG8 3.7 38.5 1.0 C6 A:DG9 3.7 40.0 1.0 C6 A:DG14 3.7 51.4 1.0 C6 A:DG2 3.7 42.5 1.0 C6 A:DG21 3.8 41.1 1.0 N1 A:DG3 3.9 40.0 1.0 N1 A:DG2 3.9 37.7 1.0 N1 A:DG15 4.0 42.7 1.0 N1 A:DG20 4.0 33.3 1.0 N1 A:DG8 4.0 31.2 1.0 N1 A:DG21 4.1 38.5 1.0 N1 A:DG9 4.1 41.6 1.0 N1 A:DG14 4.1 38.6 1.0 C5 A:DG8 4.9 37.5 1.0 C5 A:DG20 4.9 36.2 1.0 C5 A:DG15 4.9 39.2 1.0 C5 A:DG3 4.9 37.4 1.0 C5 A:DG14 4.9 39.7 1.0 C5 A:DG9 5.0 41.2 1.0 C5 A:DG2 5.0 32.5 1.0 C5 A:DG21 5.0 40.6 1.0

Potassium binding site 3 out of 3 in the Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of the Complex of A Human Telomeric Repeat G- Quadruplex and N-Methyl Mesoporphyrin IX (P6) within 5.0Å range: probe atom residue distance (Å) B Occ A:K103 b:45.9 occ:0.50 O6 A:DG14 2.7 53.3 1.0 O6 A:DG20 2.8 39.4 1.0 O6 A:DG2 3.0 46.0 1.0 O6 A:DG8 3.0 37.2 1.0 K A:K102 3.4 47.5 1.0 C6 A:DG20 3.7 36.3 1.0 C6 A:DG14 3.7 51.4 1.0 C6 A:DG2 3.8 42.5 1.0 C6 A:DG8 3.9 38.5 1.0 N1 A:DG20 3.9 33.3 1.0 N1 A:DG14 4.0 38.6 1.0 N1 A:DG2 4.0 37.7 1.0 N1 A:DG8 4.2 31.2 1.0 C5 A:DG20 4.9 36.2 1.0 C5 A:DG14 4.9 39.7 1.0

J.M.Nicoludis, S.T.Miller, P.D.Jeffrey, S.P.Barrett, P.R.Rablen, T.J.Lawton, L.A.Yatsunyk. Optimized End-Stacking Provides Specificity of N-Methyl Mesoporphyrin IX For Human Telomeric G-Quadruplex Dna. J.Am.Chem.Soc. V. 134 20446 2012.
ISSN: ISSN 0002-7863
PubMed: 23181361
DOI: 10.1021/JA3088746