Sodium in PDB 3few: Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor Binding Domain

The structure of Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor Binding Domain, PDB code: 3few was solved by T.Arnold, D.Linke, K.Zeth, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.00 / 2.45
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	240.340, 240.340, 80.030, 90.00, 90.00, 120.00
R / Rfree (%)	21.8 / 25.8

The binding sites of Sodium atom in the Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor Binding Domain (pdb code 3few). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor Binding Domain, PDB code: 3few:

Sodium binding site 1 out of 1 in the Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor Binding Domain


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor Binding Domain within 5.0Å range: probe atom residue distance (Å) B Occ X:Na506 b:67.9 occ:1.00 NE2 X:HIS223 2.7 25.5 1.0 OD2 X:ASP218 2.7 41.8 1.0 CD2 X:HIS223 3.5 28.1 1.0 CE1 X:HIS223 3.7 26.5 1.0 CG X:ASP218 3.8 35.6 1.0 O X:GLN221 4.3 32.0 1.0 CA X:GLN221 4.4 33.3 1.0 CB X:ASP218 4.5 31.9 1.0 OD1 X:ASP218 4.6 37.9 1.0 CB X:GLN221 4.7 33.4 1.0 C X:GLN221 4.7 32.4 1.0 CG X:HIS223 4.7 29.9 1.0 ND1 X:HIS223 4.8 30.6 1.0 CG X:GLN221 4.8 35.7 1.0 NE2 X:GLN221 4.9 40.8 1.0

T.Arnold, K.Zeth, D.Linke. Structure and Function of Colicin S4, A Colicin with A Duplicated Receptor-Binding Domain J.Biol.Chem. V. 284 6403 2009.
ISSN: ISSN 0021-9258
PubMed: 19056731
DOI: 10.1074/JBC.M808504200