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Potassium in PDB 6aft: Proton Pyrophosphatase - E301Q

Enzymatic activity of Proton Pyrophosphatase - E301Q

All present enzymatic activity of Proton Pyrophosphatase - E301Q:
3.6.1.1;

Protein crystallography data

The structure of Proton Pyrophosphatase - E301Q, PDB code: 6aft was solved by J.-Y.Tsai, K.-Z.Tang, Y.-J.Sun, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.79 / 2.49
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 217.126, 88.268, 158.660, 90.00, 125.25, 90.00
R / Rfree (%) 17.6 / 20.8

Other elements in 6aft:

The structure of Proton Pyrophosphatase - E301Q also contains other interesting chemical elements:

Magnesium (Mg) 10 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Proton Pyrophosphatase - E301Q (pdb code 6aft). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Proton Pyrophosphatase - E301Q, PDB code: 6aft:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 6aft

Go back to Potassium Binding Sites List in 6aft
Potassium binding site 1 out of 2 in the Proton Pyrophosphatase - E301Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Proton Pyrophosphatase - E301Q within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1008

b:16.4
occ:1.00
O A:HOH1279 2.9 12.2 1.0
O A:HOH1236 2.9 11.1 1.0
O A:HOH1171 3.0 9.7 1.0
OD1 A:ASN534 3.0 11.2 1.0
O A:HOH1277 3.1 13.2 1.0
O3 A:PO41001 3.2 10.8 1.0
O A:HOH1229 3.2 16.1 1.0
MG A:MG1007 3.6 11.3 1.0
O A:GLY533 3.8 12.5 1.0
C A:GLY533 4.0 10.5 1.0
O A:HOH1187 4.0 13.5 1.0
CA A:ASN534 4.0 9.0 1.0
N A:ASN534 4.1 9.8 1.0
P A:PO41001 4.1 30.6 1.0
O1 A:PO41001 4.1 16.9 1.0
CG A:ASN534 4.2 11.1 1.0
CB A:ALA537 4.3 9.1 1.0
O2 A:PO41001 4.3 9.5 1.0
OD2 A:ASP287 4.4 10.2 1.0
O A:HOH1115 4.4 8.5 1.0
OD1 A:ASP530 4.5 17.0 1.0
CB A:ASN534 4.7 8.4 1.0
C A:GLY503 4.7 13.3 1.0
CA A:GLY533 4.8 9.4 1.0
O A:GLY503 4.8 12.5 1.0
O A:ASP530 4.9 12.6 1.0
N A:PRO504 4.9 13.9 1.0
OD2 A:ASP507 4.9 16.4 1.0

Potassium binding site 2 out of 2 in 6aft

Go back to Potassium Binding Sites List in 6aft
Potassium binding site 2 out of 2 in the Proton Pyrophosphatase - E301Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Proton Pyrophosphatase - E301Q within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K1008

b:25.8
occ:1.00
O B:HOH1228 2.9 15.4 1.0
O B:HOH1240 3.0 21.7 1.0
OD1 B:ASN534 3.1 16.3 1.0
O B:HOH1189 3.1 18.3 1.0
O3 B:PO41001 3.2 15.5 1.0
O B:HOH1150 3.2 17.6 1.0
O B:HOH1208 3.3 12.7 1.0
MG B:MG1007 3.6 19.6 1.0
O B:GLY533 3.8 23.5 1.0
C B:GLY533 4.0 20.8 1.0
CA B:ASN534 4.0 16.0 1.0
N B:ASN534 4.1 16.2 1.0
P B:PO41001 4.1 36.9 1.0
O1 B:PO41001 4.2 23.4 1.0
CG B:ASN534 4.2 16.1 1.0
O4 B:PO41001 4.3 21.5 1.0
CB B:ALA537 4.4 15.5 1.0
OD2 B:ASP287 4.5 24.3 1.0
O B:HOH1140 4.5 12.7 1.0
OD1 B:ASP530 4.6 21.6 1.0
C B:GLY503 4.7 20.6 1.0
N B:PRO504 4.7 23.3 1.0
CB B:ASN534 4.7 16.2 1.0
CA B:GLY533 4.9 22.2 1.0
O B:ASP530 4.9 25.2 1.0
CA B:GLY503 4.9 17.2 1.0

Reference:

J.Y.Tsai, K.Z.Tang, K.M.Li, B.L.Hsu, Y.W.Chiang, A.Goldman, Y.J.Sun. Roles of the Hydrophobic Gate and Exit Channel in Vigna Radiata Pyrophosphatase Ion Translocation. J. Mol. Biol. V. 431 1619 2019.
ISSN: ESSN 1089-8638
PubMed: 30878480
DOI: 10.1016/J.JMB.2019.03.009
Page generated: Mon Dec 14 00:17:11 2020

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