Potassium in PDB 3qc5: Gspb

The structure of Gspb, PDB code: 3qc5 was solved by T.M.Pyburn, T.M.Iverson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.70 / 1.40
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	33.681, 96.753, 100.192, 90.00, 90.00, 90.00
R / Rfree (%)	14.2 / 17.2

The structure of Gspb also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Potassium atom in the Gspb (pdb code 3qc5). 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 Gspb, PDB code: 3qc5:

Potassium binding site 1 out of 1 in the Gspb


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Gspb within 5.0Å range: probe atom residue distance (Å) B Occ X:K1 b:10.0 occ:1.00 O X:GLU401 2.2 8.3 1.0 OD2 X:ASP490 2.3 9.9 1.0 OD1 X:ASN428 2.3 8.8 1.0 OD1 X:ASP427 2.3 8.9 1.0 OD2 X:ASP399 2.4 10.8 1.0 OD2 X:ASP427 2.4 9.6 1.0 OD1 X:ASP399 2.5 11.7 1.0 CG X:ASP427 2.7 9.3 1.0 CG X:ASP399 2.8 12.2 1.0 CG X:ASP490 3.3 10.1 1.0 CG X:ASN428 3.4 8.3 1.0 C X:GLU401 3.4 8.5 1.0 CB X:ASP490 3.8 9.9 1.0 ND2 X:ASN428 3.9 11.7 1.0 OD1 X:ASN494 4.0 12.3 1.0 CA X:GLU401 4.2 9.4 0.5 CA X:GLU401 4.2 9.4 0.5 CB X:ASP427 4.2 8.4 1.0 N X:GLU401 4.3 10.0 1.0 N X:ASN428 4.3 8.9 1.0 CB X:GLU401 4.3 9.8 0.5 CB X:ASP399 4.3 11.8 1.0 CB X:GLU401 4.3 9.8 0.5 C X:ARG402 4.3 7.8 1.0 OD1 X:ASP490 4.4 9.6 1.0 N X:SER429 4.4 10.3 1.0 O1 X:GOL607 4.4 17.8 0.5 O X:HOH651 4.4 13.1 1.0 N X:ARG402 4.4 8.0 1.0 OG X:SER429 4.4 10.9 1.0 N X:PRO403 4.5 7.6 1.0 CA X:ARG402 4.5 8.1 1.0 CB X:SER429 4.6 10.8 1.0 CB X:ASN428 4.6 9.7 1.0 O X:ARG402 4.7 8.5 1.0 CG X:GLU401 4.8 11.1 0.5 CD X:PRO403 4.8 8.2 1.0 CG X:ASN494 4.9 9.2 1.0 CA X:ASN428 4.9 9.5 1.0 CA X:ASP427 4.9 7.7 1.0 CB X:ASN494 5.0 9.3 1.0 C X:ASP427 5.0 8.1 1.0

T.M.Pyburn, B.A.Bensing, Y.Q.Xiong, B.J.Melancon, T.M.Tomasiak, N.J.Ward, V.Yankovskaya, K.M.Oliver, G.Cecchini, G.A.Sulikowski, M.J.Tyska, P.M.Sullam, T.M.Iverson. A Structural Model For Binding of the Serine-Rich Repeat Adhesin Gspb to Host Carbohydrate Receptors. Plos Pathog. V. 7 02112 2011.
ISSN: ISSN 1553-7366
PubMed: 21765814
DOI: 10.1371/JOURNAL.PPAT.1002112