Potassium in PDB 2nti: Crystal Structure of PCNA123 Heterotrimer.

The structure of Crystal Structure of PCNA123 Heterotrimer., PDB code: 2nti was solved by V.Hlinkova, H.Ling, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.50
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	148.140, 222.330, 80.230, 90.00, 90.00, 90.00
R / Rfree (%)	21.4 / 25.1

The structure of Crystal Structure of PCNA123 Heterotrimer. also contains other interesting chemical elements:

Bromine

(Br)

54 atoms

The binding sites of Potassium atom in the Crystal Structure of PCNA123 Heterotrimer. (pdb code 2nti). 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 Crystal Structure of PCNA123 Heterotrimer., PDB code: 2nti:

Potassium binding site 1 out of 1 in the Crystal Structure of PCNA123 Heterotrimer.


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 PCNA123 Heterotrimer. within 5.0Å range: probe atom residue distance (Å) B Occ H:K4001 b:0.7 occ:1.00 O6 H:7PG2001 2.9 52.2 1.0 O3 H:7PG2001 3.2 52.4 1.0 C4 H:7PG2001 3.3 60.1 1.0 O5 H:7PG2001 3.3 45.0 1.0 C12 H:7PG2001 3.8 49.4 1.0 C13 H:7PG2001 3.9 55.5 1.0 O4 H:7PG2001 4.0 45.7 1.0 C6 H:7PG2001 4.0 54.8 1.0 CD1 H:PHE47 4.0 24.9 1.0 C11 H:7PG2001 4.1 47.6 1.0 O2 H:7PG2001 4.1 59.1 1.0 CB H:PHE47 4.2 23.2 1.0 C7 H:7PG2001 4.3 50.0 1.0 C9 H:7PG2001 4.3 43.9 1.0 O1 H:7PG2001 4.3 62.0 1.0 C14 H:7PG2001 4.3 59.0 1.0 CD1 H:ILE40 4.3 29.8 1.0 C5 H:7PG2001 4.3 57.3 1.0 CG H:PHE47 4.4 23.7 1.0 C10 H:7PG2001 4.4 44.0 1.0 C8 H:7PG2001 4.4 47.7 1.0 C3 H:7PG2001 4.4 61.4 1.0 C15 H:7PG2001 4.5 64.0 1.0 CG1 H:ILE40 4.7 28.6 1.0 O7 H:7PG2001 4.7 62.6 1.0 CE1 H:PHE47 4.8 26.0 1.0

V.Hlinkova, G.Xing, J.Bauer, Y.J.Shin, I.Dionne, K.R.Rajashankar, S.D.Bell, H.Ling. Structures of Monomeric, Dimeric and Trimeric Pcna: Pcna-Ring Assembly and Opening. Acta Crystallogr.,Sect.D V. 64 941 2008.
ISSN: ISSN 0907-4449
PubMed: 18703842
DOI: 10.1107/S0907444908021665