Sodium in PDB 7c6l: Crystal Structure of Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II)

The structure of Crystal Structure of Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II), PDB code: 7c6l was solved by S.P.Kanaujia, M.Chandravanshi, R.Samanta, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	66.61 / 2.40
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	61.000, 100.340, 133.230, 90.00, 90.00, 90.00
R / Rfree (%)	19.1 / 26.3

The structure of Crystal Structure of Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II) also contains other interesting chemical elements:

Chlorine

(Cl)

4 atoms

The binding sites of Sodium atom in the Crystal Structure of Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II) (pdb code 7c6l). 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 Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II), PDB code: 7c6l:

Sodium binding site 1 out of 1 in the Crystal Structure of Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II)


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 Beta-Glycosides-Binding Protein (W177X) of Abc Transporter in A Closed State Bound to Cellotriose (Form II) within 5.0Å range: probe atom residue distance (Å) B Occ A:Na504 b:30.8 occ:1.00 OG1 A:THR178 3.2 26.8 1.0 CL A:CL503 3.3 45.8 1.0 OG1 A:THR235 3.3 32.0 1.0 CB A:ARG177 3.8 42.6 1.0 N A:ARG177 3.9 39.1 1.0 N A:THR178 3.9 30.5 1.0 CB A:THR178 4.2 28.8 1.0 CA A:ARG177 4.3 38.6 1.0 CG2 A:THR178 4.4 29.2 1.0 CB A:THR235 4.4 32.7 1.0 C A:ARG177 4.6 34.9 1.0 CA A:THR178 4.6 28.5 1.0 O A:THR178 4.6 25.6 1.0 CG A:ARG177 4.6 47.0 1.0 O A:THR175 4.7 67.8 1.0 NE A:ARG177 4.8 46.6 1.0 C A:PRO176 4.9 41.8 1.0

M.Chandravanshi, R.Samanta, S.P.Kanaujia. Conformational Trapping of A Beta-Glucosides-Binding Protein Unveils the Selective Two-Step Ligand-Binding Mechanism of Abc Importers. J.Mol.Biol. V. 432 5711 2020.
ISSN: ESSN 1089-8638
PubMed: 32866452
DOI: 10.1016/J.JMB.2020.08.021