Potassium in PDB 8tg3: Trna 2'-Phosphotransferase (TPT1) From Aeropyrum Pernix in Complex with Adp-Ribose-1" -Phosphate

The structure of Trna 2'-Phosphotransferase (TPT1) From Aeropyrum Pernix in Complex with Adp-Ribose-1" -Phosphate, PDB code: 8tg3 was solved by A.Jacewicz, S.Dantuluri, S.Shuman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	42.02 / 1.47
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	39.891, 55.883, 42.403, 90, 97.74, 90
R / Rfree (%)	16.1 / 19.7

The binding sites of Potassium atom in the Trna 2'-Phosphotransferase (TPT1) From Aeropyrum Pernix in Complex with Adp-Ribose-1" -Phosphate (pdb code 8tg3). 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 Trna 2'-Phosphotransferase (TPT1) From Aeropyrum Pernix in Complex with Adp-Ribose-1" -Phosphate, PDB code: 8tg3:

Potassium binding site 1 out of 1 in the Trna 2'-Phosphotransferase (TPT1) From Aeropyrum Pernix in Complex with Adp-Ribose-1" -Phosphate


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Trna 2'-Phosphotransferase (TPT1) From Aeropyrum Pernix in Complex with Adp-Ribose-1" -Phosphate within 5.0Å range: probe atom residue distance (Å) B Occ A:K308 b:44.5 occ:0.58 O A:HOH420 2.4 35.7 1.0 O A:HOH496 2.7 36.0 1.0 N A:ARG158 3.0 18.3 1.0 O A:LEU86 3.6 24.9 1.0 CB A:PRO85 3.6 27.2 1.0 CA A:GLU157 3.6 18.1 1.0 O A:GLY88 3.7 30.3 1.0 CB A:ARG158 3.7 17.5 1.0 C A:GLU157 3.8 17.8 1.0 CA A:ARG158 3.9 18.3 1.0 CB A:GLU157 4.2 20.0 1.0 O A:VAL156 4.2 21.5 1.0 CG A:PRO85 4.4 28.4 1.0 O A:ARG158 4.4 20.4 1.0 CG A:GLU157 4.6 22.8 1.0 C A:ARG158 4.7 18.6 1.0 N A:GLU157 4.7 18.6 1.0 C A:LEU86 4.8 23.8 1.0 CA A:PRO85 4.8 25.6 1.0 N A:LEU86 4.9 24.4 1.0 C A:VAL156 4.9 18.9 1.0 C A:GLY88 4.9 27.6 1.0 O A:GLU157 5.0 18.6 1.0

A.Jacewicz, S.Dantuluri, S.Shuman. Structural Basis For TPT1-Catalyzed 2'-Po 4 Transfer From Rna and Nadp(H) to Nad. Proc.Natl.Acad.Sci.Usa V. 120 99120 2023.
ISSN: ESSN 1091-6490
PubMed: 37883434
DOI: 10.1073/PNAS.2312999120