Potassium in PDB 1qv1: Atomic Resolution Structure of Obelin From Obelia Longissima

All present enzymatic activity of Atomic Resolution Structure of Obelin From Obelia Longissima:
1.13.12.5;

The structure of Atomic Resolution Structure of Obelin From Obelia Longissima, PDB code: 1qv1 was solved by Z.J.Liu, E.S.Vysotski, L.Deng, J.Lee, J.Rose, B.C.Wang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.10
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	83.334, 54.631, 52.685, 90.00, 112.29, 90.00
R / Rfree (%)	13.3 / 15.8

The structure of Atomic Resolution Structure of Obelin From Obelia Longissima also contains other interesting chemical elements:

Cobalt	(Co)	2 atoms
Calcium	(Ca)	1 atom

The binding sites of Potassium atom in the Atomic Resolution Structure of Obelin From Obelia Longissima (pdb code 1qv1). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Atomic Resolution Structure of Obelin From Obelia Longissima, PDB code: 1qv1:

Potassium binding site 1 out of 1 in the Atomic Resolution Structure of Obelin From Obelia Longissima


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Atomic Resolution Structure of Obelin From Obelia Longissima within 5.0Å range: probe atom residue distance (Å) B Occ A:K404 b:6.1 occ:0.59 O A:HOH3159 2.2 11.0 1.0 O A:CYS158 2.6 7.7 1.0 O A:PHE155 2.8 5.7 1.0 O A:HOH3150 2.8 9.2 1.0 O A:HOH3073 2.9 8.5 1.0 O A:ARG156 2.9 5.7 1.0 C A:ARG156 3.4 4.4 1.0 CA A:ARG156 3.7 5.0 1.0 CD1 A:LEU160 3.7 8.1 1.0 CG A:LEU160 3.8 7.1 1.0 C A:CYS158 3.8 5.9 1.0 C A:PHE155 3.8 4.7 1.0 O A:HOH3256 4.2 28.3 1.0 N A:ARG156 4.3 4.7 1.0 O A:HOH3077 4.4 12.9 1.0 N A:CYS158 4.4 5.1 1.0 N A:HIS157 4.5 4.7 1.0 O A:HOH3132 4.5 19.3 1.0 N A:LEU160 4.5 6.6 1.0 C A:HIS157 4.7 4.9 1.0 CB A:LEU160 4.7 6.4 1.0 CD2 A:LEU160 4.7 7.0 1.0 CA A:CYS158 4.7 5.4 1.0 N A:ASP159 4.8 5.5 1.0 CA A:ASP159 4.8 6.2 1.0 O A:HOH3022 4.9 9.5 1.0 O A:HOH3126 4.9 10.9 1.0 CB A:ARG156 5.0 5.3 1.0

Z.J.Liu, E.S.Vysotski, L.Deng, J.Lee, J.Rose, B.C.Wang. Atomic Resolution Structure of Obelin: Soaking with Calcium Enhances Electron Density of the Second Oxygen Atom Substituted at the C2-Position of Coelenterazine. Biochem.Biophys.Res.Commun. V. 311 433 2003.
ISSN: ISSN 0006-291X
PubMed: 14592432
DOI: 10.1016/J.BBRC.2003.09.231