Sodium in PDB 4xn9: Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine

All present enzymatic activity of Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine:
3.4.11.2;

The structure of Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine, PDB code: 4xn9 was solved by A.Addlagatta, R.Gumpena, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.78 / 2.80
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	120.884, 120.884, 170.379, 90.00, 90.00, 120.00
R / Rfree (%)	13.4 / 19.5

The structure of Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

The binding sites of Sodium atom in the Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine (pdb code 4xn9). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine, PDB code: 4xn9:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in the Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine


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 E. Coli Aminopeptidase N in Complex with Beta Alanine within 5.0Å range: probe atom residue distance (Å) B Occ A:Na903 b:27.6 occ:1.00 O A:HOH1229 2.3 23.6 1.0 O A:GLY335 2.4 23.1 1.0 O A:HOH1173 2.5 19.6 1.0 O A:SER332 2.6 28.1 1.0 O A:ASP333 2.8 32.6 1.0 C A:ASP333 3.5 25.7 1.0 C A:GLY335 3.7 24.3 1.0 C A:SER332 3.8 27.2 1.0 CA A:ASP333 3.9 27.1 1.0 N A:ARG337 4.2 25.4 1.0 N A:GLY335 4.4 25.6 1.0 N A:ASP333 4.4 27.3 1.0 N A:LEU334 4.5 23.7 1.0 N A:SER336 4.6 24.9 1.0 CA A:GLY335 4.6 24.3 1.0 C A:LEU334 4.7 24.5 1.0 CA A:SER336 4.7 24.7 1.0 C A:SER336 4.8 25.4 1.0 CB A:ARG337 4.8 23.4 1.0 CA A:LEU334 5.0 23.0 1.0

Sodium binding site 2 out of 2 in the Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine within 5.0Å range: probe atom residue distance (Å) B Occ A:Na904 b:26.8 occ:1.00 OE1 A:GLN19 2.3 23.6 1.0 O A:HOH1187 2.4 23.7 1.0 O A:ILE20 2.5 21.9 1.0 O A:LEU138 2.5 20.8 1.0 CD A:GLN19 3.2 22.9 1.0 C A:LEU138 3.5 21.5 1.0 C A:ILE20 3.5 21.3 1.0 O A:HOH1179 3.7 26.3 1.0 N A:LEU138 3.7 23.5 1.0 CG A:GLN19 4.0 22.9 1.0 O A:HOH1235 4.0 21.0 1.0 CB A:GLN19 4.0 24.2 1.0 CA A:THR21 4.1 21.0 1.0 NE2 A:GLN19 4.1 22.5 1.0 CA A:LEU138 4.1 23.4 1.0 N A:ILE20 4.1 24.6 1.0 N A:THR21 4.2 20.5 1.0 CA A:ILE20 4.6 23.1 1.0 CG2 A:THR21 4.6 18.9 1.0 N A:ALA139 4.6 20.3 1.0 CB A:LEU138 4.6 25.4 1.0 C A:VAL137 4.6 21.6 1.0 CG1 A:VAL137 4.8 20.8 1.0 CA A:GLN19 4.8 24.6 1.0 CA A:VAL137 4.8 20.6 1.0 C A:GLN19 4.9 24.6 1.0 CB A:THR21 4.9 20.0 1.0 CA A:ALA139 4.9 19.7 1.0

A.Addlagatta, R.Gumpena. Crystal Structure of E. Coli Aminopeptidase N in Complex with Beta Alanine To Be Published.