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Potassium in PDB 6xv4: Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex

Enzymatic activity of Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex

All present enzymatic activity of Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex:
1.11.1.11;

Protein crystallography data

The structure of Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex, PDB code: 6xv4 was solved by H.Kwon, J.Basran, J.M.Devos, T.E.Schrader, A.Ostermann, M.P.Blakeley, E.L.Raven, P.C.E.Moody, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 1.90
Space group P 42 21 2
Cell size a, b, c (Å), α, β, γ (°) 81.862, 81.862, 74.969, 90.00, 90.00, 90.00
R / Rfree (%) 21 / 29.8

Other elements in 6xv4:

The structure of Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex also contains other interesting chemical elements:

Iron (Fe) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex (pdb code 6xv4). 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 Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex, PDB code: 6xv4:

Potassium binding site 1 out of 1 in 6xv4

Go back to Potassium Binding Sites List in 6xv4
Potassium binding site 1 out of 1 in the Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Neutron Structure of Ferric Ascorbate Peroxidase-Ascorbate Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K302

b:20.3
occ:1.00
 O A:THR164 2.6 12.1 1.0
O A:ILE185 2.6 10.7 1.0
OD1 A:ASN182 2.8 23.9 1.0
OG1 A:THR180 2.9 10.8 1.0
O A:ASN182 2.9 12.9 1.0
DG22 A:THR180 2.9 18.6 1.0
OD1 A:ASP187 3.0 11.9 1.0
OG1 A:THR164 3.0 14.8 1.0
DB2 A:SER189 3.1 15.0 1.0
CG A:ASN182 3.4 28.1 1.0
DB A:THR180 3.4 11.6 1.0
CB A:THR180 3.5 9.7 1.0
DG1 A:THR164 3.5 20.3 1.0
CG2 A:THR180 3.6 10.9 1.0
C A:THR164 3.6 12.4 1.0
DB A:ILE185 3.7 18.0 1.0
D A:ASP187 3.8 21.5 1.0
C A:ASN182 3.8 13.6 1.0
DD21 A:ASN182 3.8 25.4 1.0
C A:ILE185 3.8 11.2 1.0
CG A:ASP187 3.8 17.2 1.0
ND2 A:ASN182 3.9 27.3 1.0
DG22 A:THR164 3.9 29.6 1.0
D A:ASN182 3.9 13.5 1.0
D A:ILE185 4.0 25.9 1.0
DA A:THR164 4.0 14.0 1.0
CB A:SER189 4.0 9.9 1.0
DG21 A:THR180 4.0 12.8 1.0
CB A:THR164 4.0 10.6 1.0
DA A:PRO183 4.0 15.0 1.0
CA A:THR164 4.1 10.0 1.0
OD2 A:ASP187 4.3 19.5 1.0
DB3 A:SER189 4.4 15.9 1.0
D2 A:DOD532 4.4 14.2 1.0
OG A:SER189 4.4 25.0 1.0
DG23 A:THR180 4.4 8.9 1.0
CB A:ASN182 4.4 16.6 1.0
N A:ASP187 4.4 7.0 1.0
D A:SER189 4.4 16.2 1.0
DG22 A:ILE165 4.4 7.5 1.0
DA A:PHE186 4.4 11.0 1.0
CA A:ASN182 4.5 13.9 1.0
DA A:ILE165 4.5 8.6 1.0
CG2 A:THR164 4.5 11.5 1.0
DB2 A:ASN182 4.5 18.0 1.0
CB A:ILE185 4.5 9.5 1.0
CA A:ILE185 4.6 5.9 1.0
N A:ASN182 4.6 12.2 1.0
DD22 A:ASN182 4.6 25.5 1.0
DG23 A:ILE185 4.6 9.8 1.0
N A:ILE185 4.6 8.8 1.0
N A:PRO183 4.7 10.4 1.0
CA A:PRO183 4.7 12.7 1.0
N A:ILE165 4.8 7.5 1.0
DB A:THR164 4.8 7.6 1.0
DG23 A:ILE165 4.8 10.1 1.0
N A:PHE186 4.8 9.6 1.0
O A:ASP187 4.9 11.5 1.0
DG23 A:THR164 4.9 8.4 1.0
CB A:ASP187 5.0 14.2 1.0
D A:TYR190 5.0 15.5 1.0
CA A:PHE186 5.0 6.8 1.0

Reference:

H.Kwon, J.Basran, J.M.Devos, R.Suardiaz, M.W.Van Der Kamp, A.J.Mulholland, T.E.Schrader, A.Ostermann, M.P.Blakeley, P.C.E.Moody, E.L.Raven. Visualizing the Protons in A Metalloenzyme Electron Proton Transfer Pathway. Proc.Natl.Acad.Sci.Usa 2020.
ISSN: ESSN 1091-6490
PubMed: 32152099
DOI: 10.1073/PNAS.1918936117
Page generated: Sat Aug 9 12:46:43 2025

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