Sodium in PDB 4xtl: Crystal Structure of the Light-Driven Sodium Pump KR2 in the Monomeric Blue Form, pH 4.3

The structure of Crystal Structure of the Light-Driven Sodium Pump KR2 in the Monomeric Blue Form, pH 4.3, PDB code: 4xtl was solved by I.Gushchin, V.Shevchenko, V.Polovinkin, V.Gordeliy, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.40 / 1.45
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	40.180, 80.840, 232.840, 90.00, 90.00, 90.00
R / Rfree (%)	18.7 / 21.6

The binding sites of Sodium atom in the Crystal Structure of the Light-Driven Sodium Pump KR2 in the Monomeric Blue Form, pH 4.3 (pdb code 4xtl). 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 the Light-Driven Sodium Pump KR2 in the Monomeric Blue Form, pH 4.3, PDB code: 4xtl:

Sodium binding site 1 out of 1 in the Crystal Structure of the Light-Driven Sodium Pump KR2 in the Monomeric Blue Form, pH 4.3


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 the Light-Driven Sodium Pump KR2 in the Monomeric Blue Form, pH 4.3 within 5.0Å range: probe atom residue distance (Å) B Occ A:Na301 b:31.6 occ:1.00 O A:HOH470 2.1 42.2 1.0 O A:THR83 2.2 29.8 1.0 O A:PHE86 2.3 29.6 1.0 O A:HOH462 2.4 47.6 1.0 O A:HOH478 2.6 46.3 1.0 OH A:TYR25 2.7 30.8 1.0 C A:THR83 3.4 31.9 1.0 C A:PHE86 3.5 30.1 1.0 CZ A:TYR25 3.6 28.4 1.0 CE1 A:TYR25 3.9 27.4 1.0 CA A:THR83 4.0 29.8 1.0 O A:HOH498 4.1 46.5 1.0 CA A:THR87 4.2 27.1 0.5 CA A:THR87 4.2 27.4 0.5 N A:THR87 4.3 27.0 1.0 OG1 A:THR87 4.4 33.8 0.5 O A:HOH463 4.4 36.0 1.0 O A:HOH461 4.4 43.6 1.0 N A:SER84 4.4 26.8 1.0 CB A:THR83 4.5 32.5 1.0 N A:PHE86 4.5 24.7 1.0 CA A:PHE86 4.6 27.2 1.0 CE2 A:TYR25 4.6 31.0 1.0 O A:HOH535 4.6 62.3 1.0 CB A:THR87 4.6 32.2 0.5 CA A:SER84 4.7 32.3 0.5 CA A:SER84 4.7 32.7 0.5 OG1 A:THR87 4.8 36.5 0.5 CE2 A:TYR95 4.8 31.2 1.0 CD2 A:TYR95 4.8 30.9 1.0 C A:SER84 4.8 34.0 1.0 CB A:THR87 4.9 32.9 0.5

I.Gushchin, V.Shevchenko, V.Polovinkin, K.Kovalev, A.Alekseev, E.Round, V.Borshchevskiy, T.Balandin, A.Popov, T.Gensch, C.Fahlke, C.Bamann, D.Willbold, G.Buldt, E.Bamberg, V.Gordeliy. Crystal Structure of A Light-Driven Sodium Pump Nat.Struct.Mol.Biol. 2015.
ISSN: ESSN 1545-9985