Potassium in PDB 1jpq: Crystal Structure of the Oxytricha Telomeric Dna at 1.6A

The structure of Crystal Structure of the Oxytricha Telomeric Dna at 1.6A, PDB code: 1jpq was solved by S.M.Haider, G.Parkinson, S.Neidle, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	99.00 / 1.60
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	27.543, 27.543, 145.817, 90.00, 90.00, 120.00
R / Rfree (%)	22.9 / 27.6

The structure of Crystal Structure of the Oxytricha Telomeric Dna at 1.6A also contains other interesting chemical elements:

Bromine

(Br)

2 atoms

The binding sites of Potassium atom in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A (pdb code 1jpq). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A, PDB code: 1jpq:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A


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 Oxytricha Telomeric Dna at 1.6A within 5.0Å range: probe atom residue distance (Å) B Occ A:K3014 b:15.9 occ:1.00 O6 B:DG2010 2.7 15.5 1.0 O6 A:DG1012 2.7 16.6 1.0 O6 B:DG2009 2.7 17.2 1.0 O6 A:DG1001 2.7 16.8 1.0 O6 B:DG2004 2.8 15.1 1.0 O6 A:DG1011 2.9 15.0 1.0 O6 B:DG2003 2.9 15.7 1.0 O6 A:DG1002 3.0 19.1 1.0 K A:K3015 3.4 14.8 1.0 K B:K3013 3.5 19.9 1.0 C6 B:DG2009 3.5 17.8 1.0 C6 A:DG1011 3.6 12.6 1.0 C6 B:DG2010 3.6 14.4 1.0 C6 B:DG2003 3.6 14.2 1.0 C6 A:DG1001 3.6 9.7 1.0 C6 A:DG1012 3.7 12.3 1.0 C6 B:DG2004 3.8 15.0 1.0 N1 A:DG1011 3.8 17.1 1.0 N1 B:DG2009 3.9 13.3 1.0 N1 A:DG1001 3.9 13.0 1.0 C6 A:DG1002 3.9 14.8 1.0 N1 B:DG2003 3.9 17.2 1.0 N1 B:DG2010 3.9 14.1 1.0 N1 B:DG2004 4.0 15.2 1.0 N1 A:DG1012 4.0 17.6 1.0 N1 A:DG1002 4.3 13.9 1.0 C5 A:DG1011 4.7 17.7 1.0 C5 B:DG2009 4.8 18.4 1.0 C5 B:DG2010 4.8 15.0 1.0 C5 B:DG2003 4.8 14.6 1.0 C5 A:DG1001 4.9 16.4 1.0 C5 A:DG1012 4.9 11.2 1.0

Potassium binding site 2 out of 5 in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A


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 Oxytricha Telomeric Dna at 1.6A within 5.0Å range: probe atom residue distance (Å) B Occ A:K3015 b:14.8 occ:1.00 O6 A:DG1002 2.6 19.1 1.0 O6 A:DG1010 2.7 12.7 1.0 O6 B:DG2010 2.7 15.5 1.0 O6 B:DG2003 2.8 15.7 1.0 O6 B:DG2002 2.8 15.6 1.0 O6 A:DG1011 2.8 15.0 1.0 O6 A:DG1003 2.8 13.2 1.0 O6 B:DG2011 2.9 11.3 1.0 K A:K3014 3.4 15.9 1.0 K A:K3016 3.4 14.9 1.0 C6 A:DG1002 3.5 14.8 1.0 C6 B:DG2010 3.6 14.4 1.0 C6 B:DG2002 3.6 10.3 1.0 C6 A:DG1010 3.6 13.1 1.0 C6 B:DG2003 3.8 14.2 1.0 C6 A:DG1011 3.8 12.6 1.0 C6 B:DG2011 3.8 9.1 1.0 C6 A:DG1003 3.8 16.1 1.0 N1 B:DG2010 3.8 14.1 1.0 N1 A:DG1010 3.9 10.9 1.0 N1 A:DG1002 3.9 13.9 1.0 N1 B:DG2002 3.9 15.7 1.0 N1 A:DG1011 4.0 17.1 1.0 N1 B:DG2011 4.1 12.9 1.0 N1 A:DG1003 4.2 14.5 1.0 N1 B:DG2003 4.2 17.2 1.0 C5 A:DG1002 4.7 13.5 1.0 C5 B:DG2002 4.7 13.1 1.0 C5 B:DG2010 4.7 15.0 1.0 C5 A:DG1010 4.8 16.0 1.0 C5 B:DG2003 5.0 14.6 1.0

Potassium binding site 3 out of 5 in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A


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 Oxytricha Telomeric Dna at 1.6A within 5.0Å range: probe atom residue distance (Å) B Occ A:K3016 b:14.9 occ:1.00 O6 B:DG2001 2.7 20.0 1.0 O6 A:DG1004 2.7 13.7 1.0 O6 B:DG2012 2.8 13.6 1.0 O6 A:DG1010 2.8 12.7 1.0 O6 A:DG1003 2.8 13.2 1.0 O6 A:DG1009 2.8 11.9 1.0 O6 B:DG2011 2.8 11.3 1.0 O6 B:DG2002 3.0 15.6 1.0 K A:K3015 3.4 14.8 1.0 K A:K3017 3.5 17.3 1.0 C6 A:DG1003 3.6 16.1 1.0 C6 B:DG2011 3.6 9.1 1.0 C6 A:DG1009 3.6 9.8 1.0 C6 B:DG2001 3.6 12.7 1.0 C6 B:DG2012 3.7 13.5 1.0 C6 A:DG1004 3.7 13.3 1.0 C6 A:DG1010 3.8 13.1 1.0 N1 A:DG1003 3.8 14.5 1.0 C6 B:DG2002 3.8 10.3 1.0 N1 A:DG1009 3.9 13.3 1.0 N1 B:DG2011 3.9 12.9 1.0 N1 B:DG2001 4.0 15.2 1.0 N1 A:DG1004 4.0 15.1 1.0 N1 B:DG2012 4.0 17.3 1.0 N1 A:DG1010 4.1 10.9 1.0 N1 B:DG2002 4.2 15.7 1.0 C5 B:DG2011 4.7 13.0 1.0 C5 A:DG1003 4.7 14.3 1.0 C5 A:DG1009 4.8 13.9 1.0 C5 B:DG2001 4.9 12.8 1.0 C5 B:DG2012 4.9 15.1 1.0 C5 A:DG1010 5.0 16.0 1.0

Potassium binding site 4 out of 5 in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of the Oxytricha Telomeric Dna at 1.6A within 5.0Å range: probe atom residue distance (Å) B Occ A:K3017 b:17.3 occ:1.00 O2 A:DT1007 2.6 20.1 1.0 O2 A:BRU1005 2.7 17.8 1.0 O6 B:DG2012 2.8 13.6 1.0 O6 A:DG1009 2.9 11.9 1.0 O6 A:DG1004 2.9 13.7 1.0 O6 B:DG2001 3.2 20.0 1.0 C2 A:DT1007 3.5 15.1 1.0 K A:K3016 3.5 14.9 1.0 C6 B:DG2012 3.5 13.5 1.0 C6 A:DG1004 3.6 13.3 1.0 C2 A:BRU1005 3.6 17.1 1.0 C6 A:DG1009 3.7 9.8 1.0 N3 A:BRU1005 3.8 17.7 1.0 N3 A:DT1007 3.8 15.4 1.0 N1 B:DG2012 3.9 17.3 1.0 N1 A:DG1009 3.9 13.3 1.0 C6 B:DG2001 4.0 12.7 1.0 N1 A:DG1004 4.1 15.1 1.0 N1 B:DG2001 4.2 15.2 1.0 O2 A:DT1006 4.4 20.0 1.0 C5 A:DG1004 4.6 18.2 1.0 C5 B:DG2012 4.7 15.1 1.0 N1 A:DT1007 4.7 16.9 1.0 C2 A:DT1006 4.8 17.3 1.0 N3 A:DT1006 4.9 24.0 1.0 N1 A:BRU1005 4.9 21.5 1.0 C5 A:DG1009 5.0 13.9 1.0

Potassium binding site 5 out of 5 in the Crystal Structure of the Oxytricha Telomeric Dna at 1.6A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Crystal Structure of the Oxytricha Telomeric Dna at 1.6A within 5.0Å range: probe atom residue distance (Å) B Occ B:K3013 b:19.9 occ:1.00 O2 B:DT2007 2.7 15.5 1.0 O2 B:BRU2005 2.7 20.8 1.0 O6 A:DG1012 2.9 16.6 1.0 O6 B:DG2009 2.9 17.2 1.0 O6 B:DG2004 3.0 15.1 1.0 O6 A:DG1001 3.1 16.8 1.0 O B:HOH7016 3.2 30.1 1.0 N3 B:BRU2005 3.3 20.6 1.0 C2 B:BRU2005 3.4 14.3 1.0 K A:K3014 3.5 15.9 1.0 C2 B:DT2007 3.6 13.3 1.0 C6 A:DG1012 3.6 12.3 1.0 C6 B:DG2004 3.7 15.0 1.0 C6 B:DG2009 3.7 17.8 1.0 N3 B:DT2007 3.8 18.3 1.0 C6 A:DG1001 3.8 9.7 1.0 O2 B:DT2006 3.9 20.6 1.0 N1 A:DG1012 4.0 17.6 1.0 N1 A:DG1001 4.0 13.0 1.0 N1 B:DG2009 4.1 13.3 1.0 N1 B:DG2004 4.1 15.2 1.0 C2 B:DT2006 4.4 16.7 1.0 C4 B:BRU2005 4.6 24.0 1.0 N3 B:DT2006 4.6 23.6 1.0 C5 B:DG2004 4.7 16.0 1.0 C5 A:DG1012 4.8 11.2 1.0 N1 B:BRU2005 4.8 19.2 1.0 N1 B:DT2007 4.8 17.7 1.0 C5 B:DG2009 4.9 18.4 1.0 O4 B:BRU2005 4.9 35.5 1.0 O4' B:DT2008 5.0 29.7 1.0

S.Haider, G.N.Parkinson, S.Neidle. Crystal Structure of the Potassium Form of An Oxytricha Nova G-Quadruplex. J.Mol.Biol. V. 320 189 2002.
ISSN: ISSN 0022-2836
PubMed: 12079378
DOI: 10.1016/S0022-2836(02)00428-X