Potassium in PDB 6n92: Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Coa

The structure of Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- Coa, PDB code: 6n92 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)	29.36 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	87.009, 114.319, 194.355, 90.00, 90.00, 90.00
R / Rfree (%)	15.1 / 18.4

The structure of Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- 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- Coa (pdb code 6n92). 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- Coa, PDB code: 6n92:

Potassium binding site 1 out of 1 in the Methylmalonyl-Coa Decarboxylase in Complex with 2-Nitronate-Propionyl- 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- Coa within 5.0Å range: probe atom residue distance (Å) B Occ C:K302 b:48.9 occ:1.00 OE1 C:GLN38 2.8 21.6 1.0 O4 C:PG4304 3.1 49.9 1.0 O3 C:PG4304 3.2 41.5 1.0 O1 C:PG4304 3.2 52.5 1.0 O2 C:PG4304 3.3 47.0 1.0 O5 C:PG4304 3.4 54.3 1.0 C7 C:PG4304 3.7 53.8 1.0 CD C:GLN38 3.9 17.5 1.0 C8 C:PG4304 4.0 56.7 1.0 C4 C:PG4304 4.1 44.1 1.0 C5 C:PG4304 4.1 47.5 1.0 C6 C:PG4304 4.1 47.8 1.0 C2 C:PG4304 4.1 41.1 1.0 O C:HOH605 4.2 31.2 1.0 C3 C:PG4304 4.2 38.6 1.0 C1 C:PG4304 4.3 45.0 1.0 NE2 C:GLN38 4.3 15.3 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