Potassium in PDB 4kyt: The Structure of Superinhibitory Phospholamban Bound to the Calcium Pump SERCA1A

The structure of The Structure of Superinhibitory Phospholamban Bound to the Calcium Pump SERCA1A, PDB code: 4kyt was solved by T.D.Hurley, B.L.Akin, L.R.Jones, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.83
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	61.591, 93.094, 316.375, 90.00, 90.00, 90.00
R / Rfree (%)	23.9 / 28.4

The binding sites of Potassium atom in the The Structure of Superinhibitory Phospholamban Bound to the Calcium Pump SERCA1A (pdb code 4kyt). 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 The Structure of Superinhibitory Phospholamban Bound to the Calcium Pump SERCA1A, PDB code: 4kyt:

Potassium binding site 1 out of 1 in the The Structure of Superinhibitory Phospholamban Bound to the Calcium Pump SERCA1A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of The Structure of Superinhibitory Phospholamban Bound to the Calcium Pump SERCA1A within 5.0Å range: probe atom residue distance (Å) B Occ A:K1003 b:81.3 occ:1.00 OE1 A:GLU732 2.7 62.1 1.0 O A:ALA714 2.8 56.6 1.0 O A:LEU711 2.9 55.9 1.0 O A:LYS712 2.9 57.7 1.0 OE2 A:GLU732 3.1 62.9 1.0 CD A:GLU732 3.2 61.7 1.0 C A:LYS712 3.6 57.1 1.0 CA A:LYS712 3.9 56.9 1.0 C A:LEU711 4.0 55.2 1.0 C A:ALA714 4.0 56.3 1.0 O A:GLU715 4.2 58.7 1.0 N A:GLY717 4.2 53.9 1.0 O A:ALA730 4.3 57.7 1.0 N A:LYS712 4.4 55.8 1.0 N A:ALA714 4.5 55.8 1.0 C A:GLU715 4.6 57.7 1.0 CG A:GLU732 4.6 61.9 1.0 N A:LYS713 4.7 56.9 1.0 C A:LYS713 4.7 56.6 1.0 CA A:GLY717 4.8 52.9 1.0 CA A:ALA714 4.8 55.4 1.0

B.L.Akin, T.D.Hurley, Z.Chen, L.R.Jones. The Structural Basis For Phospholamban Inhibition of the Calcium Pump in Sarcoplasmic Reticulum. J.Biol.Chem. V. 288 30181 2013.
ISSN: ISSN 0021-9258
PubMed: 23996003
DOI: 10.1074/JBC.M113.501585