Sodium in PDB 1ka0: The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp

All present enzymatic activity of The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp:
3.1.3.7;

The structure of The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp, PDB code: 1ka0 was solved by S.Patel, A.Albert, T.L.Blundell, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	24.00 / 1.80
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	54.600, 45.110, 71.600, 90.00, 111.36, 90.00
R / Rfree (%)	14.7 / 19.5

The binding sites of Sodium atom in the The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp (pdb code 1ka0). 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 The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp, PDB code: 1ka0:

Sodium binding site 1 out of 1 in the The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of The Papase HAL2P Complexed with A Sodium Ion and the Reaction Product Amp within 5.0Å range: probe atom residue distance (Å) B Occ A:Na501 b:23.7 occ:1.00 O A:HOH539 2.2 16.9 1.0 OD1 A:ASP142 2.3 13.6 1.0 O A:ILE144 2.3 11.0 1.0 O A:HOH774 2.4 16.4 0.5 OE1 A:GLU72 2.6 40.8 1.0 CG A:ASP142 3.3 13.1 1.0 C A:ILE144 3.4 11.5 1.0 OD2 A:ASP142 3.6 12.4 1.0 CD A:GLU72 3.7 48.1 1.0 O A:HOH774 3.8 13.9 0.5 OG1 A:THR147 3.8 12.8 1.0 OE2 A:GLU73 4.1 41.5 1.0 OD2 A:ASP49 4.1 14.6 1.0 OE2 A:GLU72 4.1 48.3 1.0 N A:ILE144 4.2 10.9 1.0 N A:ASP145 4.2 10.5 1.0 O A:HOH701 4.3 28.9 1.0 CA A:ASP145 4.3 11.6 1.0 CD A:PRO143 4.4 11.5 1.0 CA A:ILE144 4.4 10.2 1.0 CB A:ASP142 4.5 7.9 1.0 CA A:ASP142 4.6 9.7 1.0 N A:PRO143 4.6 11.3 1.0 C A:ASP142 4.7 10.8 1.0 O3' A:AMP401 4.7 19.6 1.0 CG A:PRO143 4.9 14.1 1.0 N A:GLY146 4.9 10.8 1.0 CB A:GLU72 5.0 43.0 1.0 CB A:ILE144 5.0 12.2 1.0 CG A:GLU72 5.0 45.4 1.0

S.Patel, A.Albert, T.L.Blundell. HAL2P: Ion Selectivity and Implications on Inhibition Mechanism To Be Published.