Potassium in PDB 6aso: Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna

The structure of Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna, PDB code: 6aso was solved by E.J.Montemayor, D.A.Brow, S.E.Butcher, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	55.63 / 2.71
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	94.197, 77.390, 118.614, 90.00, 105.91, 90.00
R / Rfree (%)	19.5 / 24.7

The structure of Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna also contains other interesting chemical elements:

Magnesium	(Mg)	2 atoms
Manganese	(Mn)	1 atom

The binding sites of Potassium atom in the Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna (pdb code 6aso). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna, PDB code: 6aso:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna within 5.0Å range: probe atom residue distance (Å) B Occ A:K501 b:76.2 occ:1.00 O A:PRO126 3.8 49.2 1.0 O A:TYR128 3.9 27.0 1.0 OG A:SER324 3.9 13.2 1.0 CB A:SER324 4.2 22.2 1.0 CG A:ARG159 4.7 19.3 1.0 O A:LYS322 4.8 32.1 1.0 C A:PRO126 4.8 30.3 1.0 CE1 A:PHE124 4.9 17.9 1.0 N A:SER324 4.9 29.2 1.0 CD A:ARG159 4.9 30.1 1.0

Potassium binding site 2 out of 2 in the Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of Yeast U6 Snrnp with 3'-Phosphate Terminated U6 Rna within 5.0Å range: probe atom residue distance (Å) B Occ I:K202 b:65.5 occ:1.00 O4 I:U87 2.9 83.2 1.0 O6 I:G60 3.0 67.9 1.0 O6 I:G86 3.1 64.3 1.0 N6 I:A59 3.5 52.7 1.0 O I:HOH315 3.8 44.9 1.0 C4 I:U87 3.9 64.4 1.0 C6 I:G60 4.1 57.4 1.0 N4 I:C61 4.1 48.1 1.0 N3 I:U87 4.2 52.8 1.0 C6 I:G86 4.2 61.3 1.0 C6 I:A59 4.2 44.0 1.0 N4 I:C85 4.4 68.3 1.0 N7 I:G60 4.4 59.0 1.0 C5 I:G60 4.6 56.5 1.0 C5 I:A59 4.7 31.6 1.0 N7 I:A59 4.8 30.4 1.0 N7 I:G86 4.8 63.0 1.0 C5 I:G86 4.9 60.4 1.0 N1 I:A59 4.9 41.8 1.0

E.J.Montemayor, A.L.Didychuk, A.D.Yake, G.K.Sidhu, D.A.Brow, S.E.Butcher. Architecture of the U6 Snrnp Reveals Specific Recognition of 3'-End Processed U6 Snrna. Nat Commun V. 9 1749 2018.
ISSN: ESSN 2041-1723
PubMed: 29717126
DOI: 10.1038/S41467-018-04145-4