Sodium in PDB 9iyw: Crystal Structure of Chimeric Ksq-at Didomain

The structure of Crystal Structure of Chimeric Ksq-at Didomain, PDB code: 9iyw was solved by T.Chisuga, A.Miyanaga, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.21 / 2.00
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	76.065, 76.065, 352.97, 90, 90, 120
R / Rfree (%)	20.1 / 24.6

The binding sites of Sodium atom in the Crystal Structure of Chimeric Ksq-at Didomain (pdb code 9iyw). 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 Crystal Structure of Chimeric Ksq-at Didomain, PDB code: 9iyw:

Sodium binding site 1 out of 1 in the Crystal Structure of Chimeric Ksq-at Didomain


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of Chimeric Ksq-at Didomain within 5.0Å range: probe atom residue distance (Å) B Occ A:Na1001 b:52.6 occ:1.00 O A:HOH1226 2.1 48.1 1.0 O A:THR302 2.3 46.0 1.0 OD2 A:ASP294 2.3 51.7 1.0 O A:HOH1129 2.5 47.5 1.0 OG A:SER297 3.0 57.3 1.0 O A:LEU300 3.2 45.6 1.0 C A:THR302 3.2 45.1 1.0 CG A:ASP294 3.3 43.6 1.0 CB A:ASP294 3.4 44.0 1.0 CB A:SER297 3.5 59.5 1.0 N A:THR302 3.8 49.1 1.0 CA A:PRO303 3.9 45.8 1.0 N A:PRO303 3.9 47.7 1.0 CA A:GLY442 4.0 42.0 1.0 O A:THR299 4.1 51.8 1.0 C A:LEU300 4.1 47.3 1.0 CA A:THR302 4.2 46.7 1.0 C A:THR301 4.2 49.5 1.0 C A:PRO303 4.4 47.3 1.0 O A:HOH1219 4.4 52.4 1.0 N A:GLY442 4.4 43.1 1.0 OD1 A:ASP294 4.5 41.9 1.0 CA A:THR301 4.5 46.1 1.0 O A:MET440 4.5 44.2 1.0 O A:HOH1195 4.6 40.5 1.0 N A:SER304 4.6 48.3 1.0 N A:THR301 4.7 43.0 1.0 C A:GLY441 4.8 41.6 1.0 O A:THR301 4.9 45.1 1.0 CA A:ASP294 5.0 45.0 1.0

T.Chisuga, S.Takinami, Z.Liao, M.Karasawa, N.Adachi, M.Kawasaki, T.Moriya, T.Senda, T.Terada, F.Kudo, T.Eguchi, S.Nakano, S.Ito, A.Miyanaga. Ancestral Sequence Reconstruction As A Tool For Structural Analysis of Modular Polyketide Synthases Nat Commun V. 16 6847 2025.
ISSN: ESSN 2041-1723
DOI: 10.1038/S41467-025-62168-0