Potassium in PDB 1q86: Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit.

The structure of Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit., PDB code: 1q86 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 / 3.00
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	213.163, 301.288, 575.397, 90.00, 90.00, 90.00
R / Rfree (%)	23.4 / 26.4

The structure of Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit. also contains other interesting chemical elements:

Magnesium	(Mg)	118 atoms
Cadmium	(Cd)	5 atoms
Chlorine	(Cl)	22 atoms
Sodium	(Na)	86 atoms

The binding sites of Potassium atom in the Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit. (pdb code 1q86). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit., PDB code: 1q86:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the 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 Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit. within 5.0Å range: probe atom residue distance (Å) B Occ A:K8201 b:76.8 occ:1.00 O6 A:G2102 2.7 36.9 1.0 O6 A:G2482 2.8 33.5 1.0 N7 A:G2482 2.9 34.8 1.0 O2 A:C2536 3.0 27.1 1.0 O4' A:C2536 3.2 28.6 1.0 N7 A:G2102 3.4 35.0 1.0 C6 A:G2482 3.4 33.1 1.0 C5 A:G2482 3.5 34.1 1.0 C6 A:G2102 3.5 35.9 1.0 C2 A:C2536 3.6 26.6 1.0 C1' A:C2536 3.6 27.6 1.0 C5 A:G2102 3.7 35.7 1.0 N1 A:C2536 3.8 28.0 1.0 C4' A:C2536 4.0 29.0 1.0 N6 A:A2486 4.1 37.7 1.0 C8 A:G2482 4.1 33.1 1.0 O2 A:U2535 4.3 39.0 1.0 N3 A:C2536 4.5 26.5 1.0 C2 A:U2535 4.5 37.1 1.0 C5' A:C2536 4.6 31.0 1.0 C8 A:G2102 4.6 35.2 1.0 OP1 A:U2539 4.6 34.8 1.0 C2' A:U2535 4.6 35.1 1.0 N1 A:G2482 4.7 32.8 1.0 N3 A:U2535 4.8 35.0 1.0 C4 A:G2482 4.8 33.5 1.0 N1 A:G2102 4.8 35.5 1.0 C6 A:C2536 4.9 28.4 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the 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 Crystal Structure of Cca-Phe-Cap-Biotin Bound Simultaneously at Half Occupancy to Both the A-Site and P-Site of the the 50S Ribosomal Subunit. within 5.0Å range: probe atom residue distance (Å) B Occ A:K8202 b:53.5 occ:1.00 O4 A:U163 2.8 30.9 1.0 O A:HOH8633 2.8 27.1 1.0 O A:HOH8536 3.0 25.7 1.0 O4 A:U172 3.1 36.2 1.0 O A:HOH8668 3.1 31.1 1.0 O A:HOH4440 3.2 69.8 1.0 OP2 A:C162 3.3 22.2 1.0 O A:HOH7325 3.3 25.5 1.0 CD N:ARG82 3.7 33.4 1.0 C4 A:U172 3.9 35.5 1.0 N3 A:U172 3.9 35.1 1.0 C4 A:U163 3.9 30.4 1.0 N4 A:C171 4.1 40.9 1.0 O A:HOH7324 4.2 20.4 1.0 O A:HOH8848 4.2 35.0 1.0 O6 A:G164 4.4 33.1 1.0 NE N:ARG82 4.5 35.1 1.0 C5 A:U163 4.5 31.1 1.0 OP2 A:A169 4.5 30.6 1.0 P A:C162 4.6 22.3 1.0 OP1 A:A169 4.6 30.2 1.0 MG A:MG8054 4.8 37.5 1.0 CG N:ARG82 4.8 31.9 1.0 CB N:ARG82 4.9 30.5 1.0 N3 A:C173 4.9 29.7 1.0 OP1 A:C162 5.0 21.9 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