Potassium in PDB 3cc4: Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit

The structure of Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit, PDB code: 3cc4 was solved by G.Blaha, G.Gurel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.85 / 2.70
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	211.780, 299.084, 573.837, 90.00, 90.00, 90.00
R / Rfree (%)	20.2 / 24.4

The structure of Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit also contains other interesting chemical elements:

Strontium	(Sr)	108 atoms
Magnesium	(Mg)	93 atoms
Cadmium	(Cd)	5 atoms
Chlorine	(Cl)	22 atoms
Sodium	(Na)	75 atoms

The binding sites of Potassium atom in the Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit (pdb code 3cc4). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit, PDB code: 3cc4:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit within 5.0Å range: probe atom residue distance (Å) B Occ 0:K8401 b:81.4 occ:1.00 O6 0:G2102 3.1 34.7 1.0 N7 0:G2482 3.2 30.5 1.0 O4' 0:C2536 3.2 28.1 1.0 O4 0:ANM2924 3.3 37.0 1.0 O6 0:G2482 3.3 35.5 1.0 N7 0:G2102 3.3 37.2 1.0 O2 0:C2536 3.5 27.0 1.0 C2 0:ANM2924 3.7 35.3 1.0 C3 0:ANM2924 3.7 36.4 1.0 C6 0:G2102 3.8 35.2 1.0 C1' 0:C2536 3.8 27.6 1.0 C4' 0:C2536 3.8 28.0 1.0 C5 0:G2102 3.9 36.2 1.0 C5 0:G2482 3.9 31.3 1.0 C6 0:G2482 3.9 31.8 1.0 C2 0:C2536 4.1 27.0 1.0 C5' 0:C2536 4.2 28.4 1.0 N1 0:C2536 4.2 27.6 1.0 OP1 0:U2539 4.2 34.3 1.0 O2 0:U2535 4.3 33.3 1.0 C8 0:G2482 4.3 31.0 1.0 N6 0:A2486 4.3 36.2 1.0 C2' 0:U2535 4.4 33.9 1.0 C6 0:ANM2924 4.4 31.6 1.0 C8 0:G2102 4.5 36.8 1.0 C16 0:ANM2924 4.6 37.9 1.0 C2 0:U2535 4.6 31.3 1.0 O2 0:ANM2924 4.7 33.8 1.0 O2' 0:U2535 4.8 34.2 1.0 O5' 0:C2536 4.8 32.3 1.0

Potassium binding site 2 out of 2 in the Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Co-Crystal Structure of Anisomycin Bound to the 50S Ribosomal Subunit within 5.0Å range: probe atom residue distance (Å) B Occ 0:K8402 b:64.2 occ:1.00 OP2 0:C162 3.1 24.5 1.0 O4 0:U163 3.1 25.9 1.0 O 0:HOH9021 3.1 21.7 1.0 O4 0:U172 3.2 32.9 1.0 O 0:HOH9124 3.2 31.5 1.0 O 0:HOH9160 3.3 25.7 1.0 O 0:HOH4982 3.4 49.4 1.0 O 0:HOH7893 3.5 33.1 1.0 O 0:HOH7892 3.6 49.3 1.0 CD M:ARG82 3.8 43.8 1.0 O 0:HOH9344 3.8 36.5 1.0 C4 0:U172 4.1 32.6 1.0 C4 0:U163 4.1 23.9 1.0 N3 0:U172 4.1 32.1 1.0 P 0:C162 4.2 25.5 1.0 OP1 0:C162 4.4 23.9 1.0 N4 0:C171 4.4 30.1 1.0 C5 0:U163 4.5 23.9 1.0 NE M:ARG82 4.6 44.4 1.0 OP2 0:A169 4.6 24.8 1.0 CG M:ARG82 4.7 43.8 1.0 O6 0:G164 4.7 25.7 1.0 CB M:ARG82 4.7 41.8 1.0 OP1 0:A169 4.8 24.6 1.0 MG 0:MG8041 4.8 25.0 1.0 N3 0:C173 5.0 26.6 1.0

G.Blaha, G.Gurel, S.J.Schroeder, P.B.Moore, T.A.Steitz. Mutations Outside the Anisomycin-Binding Site Can Make Ribosomes Drug-Resistant. J.Mol.Biol. V. 379 505 2008.
ISSN: ISSN 0022-2836
PubMed: 18455733
DOI: 10.1016/J.JMB.2008.03.075