Potassium in PDB 4m7j: Crystal Structure of S25-26 in Complex with Kdo(2.8)Kdo(2.4)Kdo Trisaccharide

The structure of Crystal Structure of S25-26 in Complex with Kdo(2.8)Kdo(2.4)Kdo Trisaccharide, PDB code: 4m7j was solved by O.Haji-Ghassemi, S.V.Evans, S.Muller-Loennies, R.Saldova, M.Muniyappa, L.Brade, P.M.Rudd, D.J.Harvey, P.Kosma, H.Brade, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	24.45 / 1.95
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	74.464, 74.464, 149.893, 90.00, 90.00, 120.00
R / Rfree (%)	21.2 / 24.7

The binding sites of Potassium atom in the Crystal Structure of S25-26 in Complex with Kdo(2.8)Kdo(2.4)Kdo Trisaccharide (pdb code 4m7j). 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 S25-26 in Complex with Kdo(2.8)Kdo(2.4)Kdo Trisaccharide, PDB code: 4m7j:

Potassium binding site 1 out of 1 in the Crystal Structure of S25-26 in Complex with Kdo(2.8)Kdo(2.4)Kdo Trisaccharide


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 S25-26 in Complex with Kdo(2.8)Kdo(2.4)Kdo Trisaccharide within 5.0Å range: probe atom residue distance (Å) B Occ H:K302 b:44.3 occ:1.00 OG1 H:THR31 2.8 43.7 1.0 OG1 H:THR30 2.8 42.5 1.0 O H:THR30 3.0 42.7 1.0 C H:THR30 3.4 44.1 1.0 CB H:THR30 3.6 42.7 1.0 N H:THR31 3.7 44.5 1.0 CB H:THR31 3.9 44.6 1.0 CA H:THR31 4.0 44.2 1.0 CA H:THR30 4.2 42.8 1.0 O H:HOH420 4.4 46.9 1.0 OG H:SER28 4.6 52.5 1.0 CG2 H:THR31 4.7 45.4 1.0 CG2 H:THR30 5.0 44.1 1.0

O.Haji-Ghassemi, S.Muller-Loennies, R.Saldova, M.Muniyappa, L.Brade, P.M.Rudd, D.J.Harvey, P.Kosma, H.Brade, S.V.Evans. Groove-Type Recognition of Chlamydiaceae-Specific Lipopolysaccharide Antigen By A Family of Antibodies Possessing An Unusual Variable Heavy Chain N-Linked Glycan. J.Biol.Chem. V. 289 16644 2014.
ISSN: ISSN 0021-9258
PubMed: 24682362
DOI: 10.1074/JBC.M113.528224