Potassium in PDB 1yxc: Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A

All present enzymatic activity of Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A:
4.2.1.52;

The structure of Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A, PDB code: 1yxc was solved by R.C.J.Dobson, M.D.W.Griffin, G.B.Jameson, J.A.Gerrard, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.56 / 1.90
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	120.869, 120.869, 110.194, 90.00, 90.00, 120.00
R / Rfree (%)	17.2 / 21.1

The structure of Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Potassium atom in the Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A (pdb code 1yxc). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A, PDB code: 1yxc:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A within 5.0Å range: probe atom residue distance (Å) B Occ A:K1300 b:28.1 occ:1.00 O A:VAL154 2.7 28.6 1.0 O A:ILE157 2.7 22.8 1.0 O A:ALA152 2.7 23.6 1.0 O A:HOH1464 2.8 36.8 1.0 O A:HOH1550 2.9 47.2 1.0 O A:LYS155 3.1 26.7 1.0 C A:VAL154 3.7 27.9 1.0 C A:LYS155 3.7 27.7 1.0 C A:ILE157 3.7 22.4 1.0 C A:ALA152 3.8 23.9 1.0 CA A:LYS155 4.0 28.6 1.0 N A:ILE157 4.2 23.0 1.0 N A:LYS155 4.3 28.4 1.0 CG2 A:ILE158 4.3 24.6 1.0 CA A:ALA152 4.4 23.0 1.0 CA A:ILE157 4.5 22.6 1.0 N A:VAL154 4.6 28.3 1.0 N A:ILE158 4.6 22.6 1.0 N A:ASN156 4.6 26.8 1.0 C A:LYS153 4.6 28.0 1.0 CA A:ILE158 4.6 22.7 1.0 CA A:VAL154 4.8 28.3 1.0 N A:LYS153 4.8 25.4 1.0 CB A:ILE157 4.9 21.8 1.0 O A:LYS153 4.9 28.8 1.0 CA A:LYS153 5.0 27.2 1.0 C A:ASN156 5.0 24.8 1.0

Potassium binding site 2 out of 2 in the Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of E. Coli Dihydrodipicolinate Synthase to 1.9 A within 5.0Å range: probe atom residue distance (Å) B Occ B:K2300 b:22.9 occ:1.00 O B:VAL154 2.6 24.1 1.0 O B:ALA152 2.6 19.3 1.0 O B:ILE157 2.7 19.6 1.0 O B:HOH2508 2.7 37.9 1.0 O B:HOH2543 2.9 40.5 1.0 O B:LYS155 3.2 22.2 1.0 C B:VAL154 3.7 24.6 1.0 C B:LYS155 3.7 24.6 1.0 C B:ALA152 3.7 20.4 1.0 C B:ILE157 3.7 19.4 1.0 CA B:LYS155 4.1 25.5 1.0 O B:HOH2558 4.1 42.5 1.0 N B:ILE157 4.2 20.2 1.0 N B:LYS155 4.3 24.9 1.0 O B:HOH2607 4.4 50.2 1.0 CA B:ALA152 4.4 19.5 1.0 N B:VAL154 4.5 24.3 1.0 N B:ASN156 4.5 23.5 1.0 CA B:ILE157 4.5 19.9 1.0 C B:LYS153 4.6 23.7 1.0 N B:ILE158 4.7 19.1 1.0 O B:HOH2611 4.7 51.0 1.0 CA B:ILE158 4.7 20.0 1.0 N B:LYS153 4.7 21.8 1.0 CA B:VAL154 4.7 23.8 1.0 CA B:LYS153 4.9 23.3 1.0 CD1 B:PHE181 4.9 18.3 1.0 CB B:ILE157 5.0 19.2 1.0 O B:LYS153 5.0 23.0 1.0 CG2 B:ILE158 5.0 23.1 1.0

R.C.Dobson, M.D.Griffin, G.B.Jameson, J.A.Gerrard. The Crystal Structures of Native and (S)-Lysine-Bound Dihydrodipicolinate Synthase From Escherichia Coli with Improved Resolution Show New Features of Biological Significance. Acta Crystallogr.,Sect.D V. 61 1116 2005.
ISSN: ISSN 0907-4449
PubMed: 16041077
DOI: 10.1107/S0907444905016318