Potassium in PDB 4qg8: Crystal Structure of PKM2 Mutant 2

All present enzymatic activity of Crystal Structure of PKM2 Mutant 2:
2.7.1.40;

The structure of Crystal Structure of PKM2 Mutant 2, PDB code: 4qg8 was solved by P.Wang, C.Sun, T.Zhu, Y.Xu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.54 / 2.30
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	94.812, 117.377, 110.330, 90.00, 113.21, 90.00
R / Rfree (%)	21.3 / 26

The structure of Crystal Structure of PKM2 Mutant 2 also contains other interesting chemical elements:

Magnesium

(Mg)

3 atoms

The binding sites of Potassium atom in the Crystal Structure of PKM2 Mutant 2 (pdb code 4qg8). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Crystal Structure of PKM2 Mutant 2, PDB code: 4qg8:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Crystal Structure of PKM2 Mutant 2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of PKM2 Mutant 2 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1002 b:31.4 occ:1.00 O A:THR114 2.7 12.4 1.0 O A:HOH1209 2.7 13.1 1.0 OD1 A:ASN75 2.7 14.1 1.0 O A:HOH1145 2.8 14.5 1.0 OG A:SER77 2.8 18.8 1.0 OD1 A:ASP113 2.8 25.8 1.0 OG A:SER243 3.6 14.3 1.0 CG A:ASP113 3.6 21.0 1.0 C A:THR114 3.7 12.5 1.0 CG A:ASN75 3.8 12.8 1.0 NZ A:LYS270 3.8 11.4 1.0 CB A:SER77 3.9 23.2 1.0 O A:ASP113 4.0 11.3 1.0 O A:HOH1201 4.1 21.8 1.0 OE2 A:GLU118 4.1 28.9 1.0 CA A:LYS115 4.1 18.7 1.0 O6 A:MLI1004 4.2 9.3 0.6 C A:ASP113 4.2 12.1 1.0 ND2 A:ASN75 4.3 16.3 1.0 OD2 A:ASP113 4.3 19.1 1.0 N A:LYS115 4.3 14.3 1.0 CB A:ASP113 4.3 8.4 1.0 O A:LYS115 4.3 13.4 1.0 N A:SER77 4.4 16.3 1.0 N A:THR114 4.6 9.3 1.0 C A:LYS115 4.6 15.7 1.0 CA A:SER77 4.7 18.3 1.0 CB A:SER243 4.7 13.5 1.0 O A:HOH1273 4.7 30.0 1.0 CA A:THR114 4.7 12.6 1.0 NH1 A:ARG73 4.8 13.6 1.0 CA A:ASP113 4.9 9.2 1.0 N A:PHE76 5.0 13.2 1.0 CB A:ASN75 5.0 7.8 1.0

Potassium binding site 2 out of 3 in the Crystal Structure of PKM2 Mutant 2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of PKM2 Mutant 2 within 5.0Å range: probe atom residue distance (Å) B Occ B:K1002 b:37.2 occ:1.00 OD1 B:ASP113 2.7 13.6 1.0 O B:THR114 2.7 16.7 1.0 OD1 B:ASN75 2.7 12.1 1.0 O B:HOH1115 2.7 8.7 1.0 OG B:SER77 2.8 15.4 1.0 O B:HOH1114 2.8 11.1 1.0 OG B:SER243 3.6 6.6 1.0 CG B:ASN75 3.7 12.4 1.0 CB B:SER77 3.7 19.6 1.0 NZ B:LYS270 3.7 8.2 1.0 C B:THR114 3.8 19.1 1.0 CG B:ASP113 3.8 15.6 1.0 OE2 B:GLU118 3.9 22.6 1.0 ND2 B:ASN75 4.0 11.5 1.0 O7 B:MLI1003 4.0 7.3 0.6 O B:HOH1224 4.1 18.1 1.0 CA B:LYS115 4.2 14.4 1.0 O B:LYS115 4.2 11.7 1.0 O B:ASP113 4.3 9.1 1.0 N B:LYS115 4.4 12.3 1.0 N B:SER77 4.4 13.2 1.0 C B:ASP113 4.4 11.9 1.0 CB B:ASP113 4.5 13.5 1.0 C B:LYS115 4.6 13.2 1.0 CA B:SER77 4.6 17.8 1.0 CB B:SER243 4.7 11.3 1.0 N B:THR114 4.7 8.9 1.0 OD2 B:ASP113 4.7 27.1 1.0 CA B:THR114 4.8 6.3 1.0 NH1 B:ARG73 4.9 13.8 1.0 CB B:ASN75 5.0 7.8 1.0 CD B:GLU118 5.0 22.5 1.0

Potassium binding site 3 out of 3 in the Crystal Structure of PKM2 Mutant 2


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of PKM2 Mutant 2 within 5.0Å range: probe atom residue distance (Å) B Occ C:K1002 b:39.5 occ:1.00 OD1 C:ASP113 2.7 17.0 1.0 OD1 C:ASN75 2.7 15.3 1.0 OG C:SER77 2.8 12.6 1.0 O C:THR114 2.8 19.4 1.0 O C:HOH2024 2.8 17.0 1.0 O C:HOH2114 2.8 12.7 1.0 OG C:SER243 3.5 13.0 1.0 C C:THR114 3.7 18.0 1.0 CG C:ASP113 3.7 13.4 1.0 OE2 C:GLU118 3.7 19.8 1.0 CG C:ASN75 3.8 17.2 1.0 NZ C:LYS270 3.8 9.8 1.0 CB C:SER77 3.9 15.5 1.0 O C:HOH2149 4.0 19.2 1.0 CA C:LYS115 4.1 16.4 1.0 O C:ASP113 4.1 10.8 1.0 ND2 C:ASN75 4.2 22.1 1.0 N C:LYS115 4.2 15.6 1.0 O C:LYS115 4.2 17.9 1.0 O9 C:MLI1003 4.2 9.2 0.6 C C:ASP113 4.3 10.7 1.0 N C:SER77 4.4 13.3 1.0 OD2 C:ASP113 4.4 13.3 1.0 CB C:ASP113 4.5 13.6 1.0 N C:THR114 4.6 10.8 1.0 C C:LYS115 4.6 14.7 1.0 CB C:SER243 4.6 10.7 1.0 CA C:SER77 4.6 13.5 1.0 CA C:THR114 4.7 11.0 1.0 NH1 C:ARG73 4.8 11.8 1.0 CD C:GLU118 4.9 24.7 1.0 CB C:ASN75 5.0 10.4 1.0

P.Wang, C.Sun, T.Zhu, Y.Xu. Structural Insight Into Mechanisms For Dynamic Regulation of PKM2 Protein Cell 2015.
ISSN: ESSN 1674-8018
PubMed: 25645022
DOI: 10.1007/S13238-015-0132-X