Potassium in PDB 6n93: Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa

The structure of Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa, PDB code: 6n93 was solved by L.M.Stunkard, A.D.Dixon, T.J.Huth, J.R.Lohman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.68 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	87.179, 114.653, 194.554, 90.00, 90.00, 90.00
R / Rfree (%)	15.3 / 18.4

The structure of Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa also contains other interesting chemical elements:

Nickel

(Ni)

3 atoms

The binding sites of Potassium atom in the Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa (pdb code 6n93). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa, PDB code: 6n93:

Potassium binding site 1 out of 1 in the Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Oxa(Dethia)-Coa within 5.0Å range: probe atom residue distance (Å) B Occ C:K302 b:48.4 occ:1.00 OE1 C:GLN38 2.7 20.0 1.0 O3 C:PG4304 3.2 47.6 1.0 O5 C:PG4304 3.2 57.3 1.0 O4 C:PG4304 3.3 48.7 1.0 O1 C:PG4304 3.3 46.9 1.0 O2 C:PG4304 3.4 44.0 1.0 C7 C:PG4304 3.8 53.3 1.0 CD C:GLN38 3.8 17.1 1.0 C8 C:PG4304 3.9 53.9 1.0 C6 C:PG4304 4.0 47.0 1.0 C4 C:PG4304 4.1 45.5 1.0 C5 C:PG4304 4.1 49.1 1.0 NE2 C:GLN38 4.1 15.9 1.0 C2 C:PG4304 4.2 42.5 1.0 O C:HOH549 4.2 34.9 1.0 C3 C:PG4304 4.3 40.1 1.0 C1 C:PG4304 4.3 42.2 1.0

L.M.Stunkard, A.D.Dixon, T.J.Huth, J.R.Lohman. Sulfonate/Nitro Bearing Methylmalonyl-Thioester Isosteres Applied to Methylmalonyl-Coa Decarboxylase Structure-Function Studies. J. Am. Chem. Soc. V. 141 5121 2019.
ISSN: ESSN 1520-5126
PubMed: 30869886
DOI: 10.1021/JACS.9B00650