Potassium in PDB 4ma1: Unliganded 3 Crystal Structure of S25-26 Fab

The structure of Unliganded 3 Crystal Structure of S25-26 Fab, PDB code: 4ma1 was solved by O.Haji-Ghassemi, S.V.Evans, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.93 / 2.32
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	196.257, 66.508, 122.078, 90.00, 113.46, 90.00
R / Rfree (%)	22.9 / 26

The binding sites of Potassium atom in the Unliganded 3 Crystal Structure of S25-26 Fab (pdb code 4ma1). 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 Unliganded 3 Crystal Structure of S25-26 Fab, PDB code: 4ma1:

Potassium binding site 1 out of 1 in the Unliganded 3 Crystal Structure of S25-26 Fab


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Unliganded 3 Crystal Structure of S25-26 Fab within 5.0Å range: probe atom residue distance (Å) B Occ L:K301 b:39.1 occ:1.00 O L:HOH443 2.9 13.2 1.0 OH L:TYR27A 2.9 22.5 1.0 O L:HOH444 2.9 31.6 1.0 CE1 L:TYR27A 3.4 20.3 1.0 OG L:SER67 3.5 23.2 1.0 CZ L:TYR27A 3.6 22.1 1.0 O L:ILE27B 4.4 16.3 1.0 O L:HOH437 4.5 5.8 0.7 N L:GLY68 4.5 20.7 1.0 CD1 L:TYR27A 4.6 20.3 1.0 OG1 L:THR31 4.7 17.0 1.0 CB L:SER67 4.8 23.6 1.0 CE2 L:TYR27A 4.9 23.8 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