Potassium in PDB 6xhd: Structure of Prolinyl-5'-O-Adenosine Phosphoramidate

All present enzymatic activity of Structure of Prolinyl-5'-O-Adenosine Phosphoramidate:
4.6.1.18;

The structure of Structure of Prolinyl-5'-O-Adenosine Phosphoramidate, PDB code: 6xhd was solved by P.S.Pallan, M.Egli, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.31 / 1.51
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	98.532, 30.689, 68.641, 90, 90.56, 90
R / Rfree (%)	16.9 / 21.7

The binding sites of Potassium atom in the Structure of Prolinyl-5'-O-Adenosine Phosphoramidate (pdb code 6xhd). 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 Structure of Prolinyl-5'-O-Adenosine Phosphoramidate, PDB code: 6xhd:

Potassium binding site 1 out of 1 in the Structure of Prolinyl-5'-O-Adenosine Phosphoramidate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of Prolinyl-5'-O-Adenosine Phosphoramidate within 5.0Å range: probe atom residue distance (Å) B Occ A:K201 b:48.5 occ:1.00 N A:THR45 3.0 17.7 1.0 CA A:ASN44 3.5 18.4 1.0 NE2 A:HIS12 3.5 22.3 1.0 C A:ASN44 3.7 17.6 1.0 OG1 A:THR45 3.7 23.3 1.0 CB A:THR45 3.9 18.9 1.0 CD1 A:PHE120 3.9 26.6 1.0 CA A:THR45 4.0 17.4 1.0 ND2 A:ASN44 4.0 18.3 1.0 CD2 A:HIS12 4.1 15.0 1.0 O A:VAL43 4.3 22.9 1.0 N A:ASN44 4.3 18.6 1.0 CE1 A:PHE120 4.5 27.3 1.0 CG A:ASN44 4.5 20.6 1.0 CB A:ASN44 4.5 18.9 1.0 CG A:PHE120 4.6 22.8 1.0 CE1 A:HIS12 4.6 15.9 1.0 C A:VAL43 4.6 23.0 1.0 O A:THR45 4.7 20.8 1.0 NZ A:LYS41 4.8 33.0 1.0 CB A:PHE120 4.8 21.4 1.0 O A:ASN44 4.8 21.9 1.0 C A:THR45 4.9 20.4 1.0

D.Jovanovic, P.Tremmel, P.S.Pallan, M.Egli, C.Richert. The Enzyme-Free Release of Nucleotides From Phosphoramidates Depends Strongly on the Amino Acid. Angew.Chem.Int.Ed.Engl. V. 59 20154 2020.
ISSN: ESSN 1521-3773
PubMed: 32757352
DOI: 10.1002/ANIE.202008665