Potassium in PDB 1m90: Co-Crystal Structure of Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit

The structure of Co-Crystal Structure of Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit, PDB code: 1m90 was solved by J.L.Hansen, T.M.Schmeing, 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 / 2.80
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	211.661, 299.773, 573.684, 90.00, 90.00, 90.00
R / Rfree (%)	18.1 / 22.2

The structure of Co-Crystal Structure of Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit also contains other interesting chemical elements:

Magnesium	(Mg)	119 atoms
Cadmium	(Cd)	5 atoms
Chlorine	(Cl)	22 atoms
Sodium	(Na)	86 atoms

The binding sites of Potassium atom in the Co-Crystal Structure of Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit (pdb code 1m90). 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 Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit, PDB code: 1m90:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Co-Crystal Structure of Cca-Phe-Caproic Acid-Biotin and Sparsomycin 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 Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit within 5.0Å range: probe atom residue distance (Å) B Occ A:K8390 b:70.5 occ:1.00 O6 A:G2482 2.8 33.3 1.0 O6 A:G2102 2.8 30.5 1.0 N7 A:G2482 3.0 31.7 1.0 O4' A:C2536 3.2 30.1 1.0 O2 A:C2536 3.2 27.3 1.0 N7 A:G2102 3.4 32.9 1.0 C6 A:G2482 3.4 31.0 1.0 C5 A:G2482 3.5 32.0 1.0 C6 A:G2102 3.6 32.4 1.0 C1' A:C2536 3.6 29.6 1.0 C2 A:C2536 3.7 27.4 1.0 C5 A:G2102 3.8 32.3 1.0 N1 A:C2536 3.9 28.9 1.0 C4' A:C2536 4.0 30.2 1.0 N6 A:A2486 4.1 32.7 1.0 C8 A:G2482 4.2 30.5 1.0 O2 A:U2535 4.4 37.5 1.0 C5' A:C2536 4.5 30.0 1.0 C8 A:G2102 4.6 33.8 1.0 N3 A:C2536 4.6 26.9 1.0 C2 A:U2535 4.6 34.5 1.0 C2' A:U2535 4.6 34.6 1.0 OP1 A:U2539 4.6 34.8 1.0 N1 A:G2482 4.8 31.0 1.0 C4 A:G2482 4.8 32.1 1.0 N1 A:G2102 4.9 32.3 1.0 N3 A:U2535 4.9 33.2 1.0 C6 A:C2536 4.9 29.0 1.0 O5' A:C2536 5.0 32.6 1.0

Potassium binding site 2 out of 2 in the Co-Crystal Structure of Cca-Phe-Caproic Acid-Biotin and Sparsomycin 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 Cca-Phe-Caproic Acid-Biotin and Sparsomycin Bound to the 50S Ribosomal Subunit within 5.0Å range: probe atom residue distance (Å) B Occ A:K8391 b:48.4 occ:1.00 O A:HOH8632 2.8 21.4 1.0 O A:HOH8535 2.8 21.6 1.0 O4 A:U163 2.9 26.9 1.0 O A:HOH8667 2.9 20.7 1.0 O4 A:U172 3.0 28.5 1.0 OP2 A:C162 3.2 19.6 1.0 O A:HOH4464 3.2 37.5 1.0 O A:HOH7353 3.4 27.6 1.0 CD N:ARG82 3.7 28.2 1.0 C4 A:U172 3.9 29.6 1.0 O A:HOH8843 3.9 31.0 1.0 C4 A:U163 4.0 27.0 1.0 N3 A:U172 4.0 29.1 1.0 O A:HOH7352 4.2 21.9 1.0 N4 A:C171 4.3 26.6 1.0 NE N:ARG82 4.4 30.1 1.0 P A:C162 4.5 21.7 1.0 O6 A:G164 4.5 24.8 1.0 OP2 A:A169 4.5 24.6 1.0 C5 A:U163 4.5 27.3 1.0 OP1 A:A169 4.7 25.9 1.0 CB N:ARG82 4.8 25.9 1.0 MG A:MG8054 4.8 24.9 1.0 CG N:ARG82 4.8 27.1 1.0 OP1 A:C162 4.8 22.7 1.0 N4 A:C173 4.9 28.6 1.0 N3 A:C173 4.9 27.5 1.0

J.L.Hansen, T.M.Schmeing, P.B.Moore, T.A.Steitz. Structural Insights Into Peptide Bond Formation. Proc.Natl.Acad.Sci.Usa V. 99 11670 2002.
ISSN: ISSN 0027-8424
PubMed: 12185246
DOI: 10.1073/PNAS.172404099