Potassium in PDB 1n8r: Structure of Large Ribosomal Subunit in Complex with Virginiamycin M

The structure of Structure of Large Ribosomal Subunit in Complex with Virginiamycin M, PDB code: 1n8r was solved by J.L.Hansen, P.B.Moore, T.A.Steitz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 3.00
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	212.902, 300.474, 575.176, 90.00, 90.00, 90.00
R / Rfree (%)	20.1 / 24.2

The structure of Structure of Large Ribosomal Subunit in Complex with Virginiamycin M also contains other interesting chemical elements:

Magnesium	(Mg)	117 atoms
Cadmium	(Cd)	5 atoms
Chlorine	(Cl)	22 atoms
Sodium	(Na)	86 atoms

The binding sites of Potassium atom in the Structure of Large Ribosomal Subunit in Complex with Virginiamycin M (pdb code 1n8r). 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 Structure of Large Ribosomal Subunit in Complex with Virginiamycin M, PDB code: 1n8r:

Potassium binding site 1 out of 1 in the Structure of Large Ribosomal Subunit in Complex with Virginiamycin M


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of Large Ribosomal Subunit in Complex with Virginiamycin M within 5.0Å range: probe atom residue distance (Å) B Occ A:K8202 b:77.6 occ:1.00 OP2 A:C162 2.9 13.2 1.0 O A:HOH8345 2.9 24.2 1.0 O A:HOH9513 3.2 16.6 1.0 O A:HOH9548 3.2 16.1 1.0 O A:HOH5313 3.2 42.4 1.0 O4 A:U172 3.3 26.1 1.0 O4 A:U163 3.3 20.8 1.0 O A:HOH9417 3.4 20.3 1.0 CD N:ARG82 3.4 53.0 1.0 O A:HOH9721 3.5 42.7 1.0 O A:HOH8343 3.6 37.1 1.0 P A:C162 4.1 14.6 1.0 C4 A:U172 4.2 25.2 1.0 C4 A:U163 4.2 19.2 1.0 NE N:ARG82 4.3 55.3 1.0 N3 A:U172 4.3 26.1 1.0 OP1 A:C162 4.5 15.7 1.0 CG N:ARG82 4.5 54.2 1.0 MG A:MG8054 4.6 23.0 1.0 C5 A:U163 4.6 19.9 1.0 CB N:ARG82 4.8 54.7 1.0 OP2 A:A169 4.8 22.8 1.0 OP1 A:A169 4.8 24.7 1.0 O3' A:A161 4.9 12.4 1.0 N3 A:C173 4.9 23.6 1.0

J.Hansen, P.B.Moore, T.A.Steitz. Structures of Five Antibiotics Bound at the Peptidyl Transferase Center of the Large Ribosomal Subunit J.Mol.Biol. V. 330 1061 2003.
ISSN: ISSN 0022-2836
PubMed: 12860128
DOI: 10.1016/S0022-2836(03)00668-5