Potassium in PDB 1v3p: Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet

The structure of Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet, PDB code: 1v3p was solved by J.Kondo, S.Umeda, T.Sunami, A.Takenaka, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	9.00 / 2.30
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	36.180, 36.380, 63.120, 90.00, 90.00, 90.00
R / Rfree (%)	23.4 / 26.5

The structure of Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet also contains other interesting chemical elements:

Iodine

(I)

2 atoms

The binding sites of Potassium atom in the Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet (pdb code 1v3p). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet, PDB code: 1v3p:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet


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 D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet within 5.0Å range: probe atom residue distance (Å) B Occ A:K114 b:14.0 occ:0.25 O6 B:DG13 2.7 25.9 1.0 O6 A:DG5 2.7 21.9 1.0 K B:K115 3.4 23.2 0.5 C6 B:DG13 3.7 25.4 1.0 C6 A:DG5 3.7 22.8 1.0 N1 B:DG13 4.1 25.8 1.0 N1 A:DG5 4.2 26.5 1.0 C5 B:DG13 4.8 27.2 1.0 C5 A:DG5 4.9 24.4 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet


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 D(Gcgagagc): the Dna Octaplex Structure with I-Motif of G-Quartet within 5.0Å range: probe atom residue distance (Å) B Occ B:K115 b:23.2 occ:0.50 O A:HOH49 2.7 32.7 1.0 O6 B:DG13 2.8 25.9 1.0 K A:K114 3.4 14.0 0.2 C6 B:DG13 3.7 25.4 1.0 O A:HOH17 3.9 46.7 0.5 N1 B:DG13 4.1 25.8 1.0 N6 A:DA4 4.8 19.0 1.0 C5 B:DG13 4.9 27.2 1.0 N1 A:DA4 5.0 23.5 1.0

J.Kondo, W.Adachi, S.Umeda, T.Sunami, A.Takenaka. Crystal Structures of A Dna Octaplex with I-Motif of G-Quartets and Its Splitting Into Two Quadruplexes Suggest A Folding Mechanism of Eight Tandem Repeats Nucleic Acids Res. V. 32 2541 2004.
ISSN: ISSN 0305-1048
PubMed: 15133122
DOI: 10.1093/NAR/GKH575