Potassium in PDB 1f7y: The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability

The structure of The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability, PDB code: 1f7y was solved by E.Ennifar, A.Nikouline, A.Serganov, S.Tishchenko, N.Nevskaya, M.Garber, B.Ehresmann, C.Ehresmann, S.Nikonov, P.Dumas, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 2.80
Space group	P 64 2 2
Cell size a, b, c (Å), α, β, γ (°)	128.800, 128.800, 65.100, 90.00, 90.00, 120.00
R / Rfree (%)	22.2 / 28.9

The structure of The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability also contains other interesting chemical elements:

Magnesium	(Mg)	9 atoms
Sodium	(Na)	2 atoms

The binding sites of Potassium atom in the The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability (pdb code 1f7y). 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 The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability, PDB code: 1f7y:

Potassium binding site 1 out of 1 in the The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of The Crystal Structure of Two Uucg Loops Highlights the Role Played By 2'-Hydroxyl Groups in Its Unusual Stability within 5.0Å range: probe atom residue distance (Å) B Occ A:K1012 b:66.5 occ:1.00 NE2 A:HIS50 3.1 87.0 1.0 CD2 A:HIS50 3.6 85.4 1.0 N2 B:G40 3.8 30.5 1.0 CE1 A:HIS50 4.2 86.8 1.0 NE A:ARG53 4.6 76.9 1.0 CD A:ARG53 4.6 70.7 1.0 O2' B:G30 4.7 32.8 1.0 C2 B:G40 4.8 39.1 1.0 O2' B:G41 4.9 23.9 1.0 N3 B:G40 4.9 31.9 1.0 CG A:HIS50 4.9 85.8 1.0

E.Ennifar, A.Nikulin, S.Tishchenko, A.Serganov, N.Nevskaya, M.Garber, B.Ehresmann, C.Ehresmann, S.Nikonov, P.Dumas. The Crystal Structure of Uucg Tetraloop. J.Mol.Biol. V. 304 35 2000.
ISSN: ISSN 0022-2836
PubMed: 11071808
DOI: 10.1006/JMBI.2000.4204