Sodium in PDB 6ghj: Peptst in Complex with Tripeptide Phe-Ala-Gln

The structure of Peptst in Complex with Tripeptide Phe-Ala-Gln, PDB code: 6ghj was solved by M.Martinez Molledo, E.M.Quistgaard, C.Loew, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.69 / 2.26
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	101.550, 108.220, 111.610, 90.00, 90.00, 90.00
R / Rfree (%)	19.1 / 22.2

The binding sites of Sodium atom in the Peptst in Complex with Tripeptide Phe-Ala-Gln (pdb code 6ghj). 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 Peptst in Complex with Tripeptide Phe-Ala-Gln, PDB code: 6ghj:

Sodium binding site 1 out of 1 in the Peptst in Complex with Tripeptide Phe-Ala-Gln


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Peptst in Complex with Tripeptide Phe-Ala-Gln within 5.0Å range: probe atom residue distance (Å) B Occ A:Na506 b:46.4 occ:1.00 O A:SER316 2.2 45.4 1.0 O A:PHE319 2.2 38.2 1.0 O A:HOH696 2.4 43.5 1.0 O A:HOH605 2.5 34.3 1.0 OG A:SER316 2.8 52.2 1.0 C A:PHE319 3.3 41.5 1.0 C A:SER316 3.3 46.6 1.0 CB A:SER316 3.6 49.0 1.0 N A:VAL321 3.7 34.6 1.0 N A:PHE319 3.9 44.0 1.0 CA A:PRO320 4.0 38.1 1.0 N A:PRO320 4.0 43.4 1.0 CA A:SER316 4.1 50.5 1.0 C A:PRO320 4.1 36.6 1.0 N A:SER317 4.2 44.5 1.0 CA A:PHE319 4.2 42.4 1.0 C A:SER317 4.4 44.2 1.0 CA A:SER317 4.4 47.1 1.0 CB A:VAL321 4.4 39.6 1.0 CA A:VAL321 4.5 37.3 1.0 O A:HOH671 4.5 51.8 1.0 O A:SER317 4.6 44.3 1.0 OE2 A:GLU171 4.6 45.4 1.0 N A:TRP318 4.7 44.8 1.0 OE1 A:GLU171 4.7 47.2 1.0 O A:HOH612 4.9 47.1 1.0

M.Martinez Molledo, E.M.Quistgaard, C.Low. Tripeptide Binding in A Proton-Dependent Oligopeptide Transporter. Febs Lett. V. 592 3239 2018.
ISSN: ISSN 1873-3468
PubMed: 30194725
DOI: 10.1002/1873-3468.13246