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Magnesium in PDB 2pxz: E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate

Enzymatic activity of E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate

All present enzymatic activity of E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate:
4.1.1.49;

Protein crystallography data

The structure of E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate, PDB code: 2pxz was solved by L.T.J.Delbaere, J.J.H.Cotelesage, H.Goldie, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 38.32 / 2.23
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 124.556, 94.302, 46.354, 90.00, 95.54, 90.00
R / Rfree (%) 17.3 / 23.4

Other elements in 2pxz:

The structure of E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate also contains other interesting chemical elements:

Manganese (Mn) 1 atom

Magnesium Binding Sites:

The binding sites of Magnesium atom in the E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate (pdb code 2pxz). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate, PDB code: 2pxz:

Magnesium binding site 1 out of 1 in 2pxz

Go back to Magnesium Binding Sites List in 2pxz
Magnesium binding site 1 out of 1 in the E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate within 5.0Å range:
probe atom residue distance (Å) B Occ
X:Mg543

b:18.2
occ:1.00
 O3G X:ATP541 2.0 17.6 1.0
O X:HOH831 2.0 10.1 1.0
O X:HOH832 2.0 24.7 1.0
O2B X:ATP541 2.1 13.9 1.0
OG1 X:THR255 2.1 13.8 1.0
O X:HOH833 2.3 13.4 1.0
PG X:ATP541 3.2 20.7 1.0
PB X:ATP541 3.2 13.9 1.0
CB X:THR255 3.2 16.7 1.0
O3B X:ATP541 3.3 17.5 1.0
O2A X:ATP541 3.9 15.4 1.0
O1G X:ATP541 3.9 21.2 1.0
O X:TYR286 3.9 13.3 1.0
N X:THR255 4.0 15.4 1.0
OD1 X:ASP268 4.0 15.7 1.0
OD1 X:ASP269 4.1 14.7 1.0
NH1 X:ARG333 4.1 17.5 1.0
O3A X:ATP541 4.1 16.8 1.0
CA X:THR255 4.2 16.7 1.0
O X:ASP268 4.2 17.5 1.0
O X:HOH928 4.3 22.1 1.0
CG2 X:THR255 4.3 18.6 1.0
O2G X:ATP541 4.4 20.0 1.0
PA X:ATP541 4.4 15.5 1.0
O1B X:ATP541 4.4 14.1 1.0
CG X:ASP268 4.8 17.8 1.0
CG X:ASP269 4.8 15.6 1.0
MN X:MN700 4.9 27.3 1.0
CE X:LYS254 4.9 17.2 1.0
O1A X:ATP541 4.9 19.8 1.0
C X:TYR286 5.0 15.2 1.0
CB X:LYS254 5.0 14.3 1.0

Reference:

L.T.J.Delbaere, J.J.H.Cotelesage, H.Goldie. Crystal Structure of E. Coli Phosphoenolpyruvate Carboxykinase (Pepck) Complexed with Atp, MG2+, MN2+, Carbon Dioxide and Oxaloacetate To Be Published.
Page generated: Sun Aug 10 13:03:55 2025

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