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Potassium in PDB 1apx: Crystal Structure of Recombinant Ascorbate Peroxidase

Enzymatic activity of Crystal Structure of Recombinant Ascorbate Peroxidase

All present enzymatic activity of Crystal Structure of Recombinant Ascorbate Peroxidase:
1.11.1.11;

Protein crystallography data

The structure of Crystal Structure of Recombinant Ascorbate Peroxidase, PDB code: 1apx was solved by W.R.Patterson, T.L.Poulos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 8.00 / 2.20
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 132.400, 53.000, 170.600, 90.00, 107.10, 90.00
R / Rfree (%) 19.3 / n/a

Other elements in 1apx:

The structure of Crystal Structure of Recombinant Ascorbate Peroxidase also contains other interesting chemical elements:

Iron (Fe) 4 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of Recombinant Ascorbate Peroxidase (pdb code 1apx). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Crystal Structure of Recombinant Ascorbate Peroxidase, PDB code: 1apx:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 1apx

Go back to Potassium Binding Sites List in 1apx
Potassium binding site 1 out of 4 in the Crystal Structure of Recombinant Ascorbate Peroxidase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Recombinant Ascorbate Peroxidase within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K252

b:18.5
occ:1.00
 O A:THR164 2.5 8.4 1.0
O A:ILE185 2.6 6.1 1.0
O A:ASN182 2.7 7.8 1.0
OD1 A:ASN182 2.7 16.6 1.0
OG1 A:THR180 2.9 3.4 1.0
OG1 A:THR164 3.0 8.4 1.0
OD1 A:ASP187 3.1 9.2 1.0
CG A:ASN182 3.4 16.8 1.0
C A:THR164 3.6 5.6 1.0
C A:ASN182 3.6 6.3 1.0
CB A:THR180 3.7 3.3 1.0
OG A:SER189 3.7 10.2 1.0
C A:ILE185 3.8 4.5 1.0
CG2 A:THR180 3.9 6.2 1.0
ND2 A:ASN182 4.0 16.6 1.0
CG A:ASP187 4.0 6.5 1.0
CB A:THR164 4.1 4.1 1.0
CA A:THR164 4.1 4.0 1.0
CB A:ASN182 4.2 11.8 1.0
OD2 A:ASP187 4.3 11.8 1.0
CA A:ASN182 4.3 6.5 1.0
N A:PRO183 4.4 5.5 1.0
N A:ILE185 4.4 5.8 1.0
N A:ASN182 4.5 9.2 1.0
N A:ASP187 4.5 4.3 1.0
CA A:ILE185 4.5 4.4 1.0
CB A:ILE185 4.5 4.1 1.0
CG2 A:THR164 4.6 2.1 1.0
CA A:PRO183 4.6 7.1 1.0
N A:ILE165 4.6 6.0 1.0
N A:PHE186 4.8 4.5 1.0
CB A:SER189 4.9 4.3 1.0
CG2 A:ILE165 4.9 2.0 1.0
CA A:PHE186 4.9 3.8 1.0
CA A:ILE165 5.0 3.6 1.0

Potassium binding site 2 out of 4 in 1apx

Go back to Potassium Binding Sites List in 1apx
Potassium binding site 2 out of 4 in the Crystal Structure of Recombinant Ascorbate Peroxidase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of Recombinant Ascorbate Peroxidase within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K252

b:16.6
occ:0.65
 O B:THR164 2.5 3.4 1.0
O B:ILE185 2.6 4.8 1.0
OG1 B:THR164 2.7 8.3 1.0
OD1 B:ASN182 2.7 35.6 1.0
O B:ASN182 2.8 16.6 1.0
OG1 B:THR180 2.9 11.4 1.0
OD1 B:ASP187 3.0 10.2 1.0
CG B:ASN182 3.2 25.7 1.0
C B:THR164 3.5 5.8 1.0
CB B:THR180 3.6 15.0 1.0
ND2 B:ASN182 3.6 26.9 1.0
C B:ASN182 3.7 12.0 1.0
C B:ILE185 3.7 6.7 1.0
CG B:ASP187 3.8 2.1 1.0
CB B:THR164 3.8 8.3 1.0
CG2 B:THR180 3.9 14.0 1.0
CA B:THR164 4.0 6.4 1.0
OD2 B:ASP187 4.0 11.6 1.0
CB B:ASN182 4.2 17.4 1.0
CB B:SER189 4.3 8.4 1.0
CA B:ASN182 4.4 16.5 1.0
N B:ASP187 4.4 11.3 1.0
CA B:ILE185 4.5 6.7 1.0
N B:PRO183 4.5 11.3 1.0
N B:ILE185 4.5 8.3 1.0
CG2 B:THR164 4.6 2.0 1.0
CB B:ILE185 4.6 8.6 1.0
N B:ILE165 4.6 7.0 1.0
N B:ASN182 4.6 14.6 1.0
N B:PHE186 4.7 2.0 1.0
CA B:PRO183 4.7 9.5 1.0
OG B:SER189 4.8 15.3 1.0
CA B:PHE186 4.9 4.2 1.0
CG2 B:ILE165 4.9 5.1 1.0

Potassium binding site 3 out of 4 in 1apx

Go back to Potassium Binding Sites List in 1apx
Potassium binding site 3 out of 4 in the Crystal Structure of Recombinant Ascorbate Peroxidase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of Recombinant Ascorbate Peroxidase within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K252

b:16.9
occ:0.70
 O C:THR164 2.4 8.1 1.0
O C:ASN182 2.5 15.2 1.0
O C:ILE185 2.5 14.0 1.0
OD1 C:ASN182 2.6 32.1 1.0
OG1 C:THR180 2.9 17.3 1.0
OG1 C:THR164 3.2 16.5 1.0
OD1 C:ASP187 3.2 20.1 1.0
C C:ASN182 3.4 18.8 1.0
C C:THR164 3.5 7.9 1.0
CG C:ASN182 3.6 31.8 1.0
C C:ILE185 3.7 10.0 1.0
CB C:THR180 3.7 14.1 1.0
CG2 C:THR180 4.0 14.2 1.0
CG C:ASP187 4.2 13.2 1.0
N C:ILE185 4.2 9.9 1.0
CA C:THR164 4.2 7.3 1.0
CB C:THR164 4.3 11.3 1.0
N C:PRO183 4.3 15.2 1.0
CA C:ASN182 4.3 19.6 1.0
CA C:ILE185 4.3 10.8 1.0
CB C:ASN182 4.3 24.7 1.0
CB C:ILE185 4.3 11.7 1.0
N C:ASN182 4.5 21.7 1.0
CA C:PRO183 4.5 18.0 1.0
ND2 C:ASN182 4.5 35.7 1.0
OD2 C:ASP187 4.5 17.6 1.0
N C:ILE165 4.5 8.8 1.0
CB C:SER189 4.7 11.0 1.0
CG2 C:ILE165 4.7 3.8 1.0
CA C:ILE165 4.8 7.0 1.0
N C:PHE186 4.8 8.4 1.0
N C:ASP187 4.8 11.2 1.0
C C:PRO183 4.8 19.1 1.0
OG C:SER189 4.9 25.4 1.0
CG2 C:ILE185 5.0 9.1 1.0
N C:LEU184 5.0 16.7 1.0
CG2 C:THR164 5.0 6.0 1.0

Potassium binding site 4 out of 4 in 1apx

Go back to Potassium Binding Sites List in 1apx
Potassium binding site 4 out of 4 in the Crystal Structure of Recombinant Ascorbate Peroxidase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of Recombinant Ascorbate Peroxidase within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K252

b:15.3
occ:0.81
 O D:ILE185 2.5 15.2 1.0
O D:THR164 2.6 6.4 1.0
O D:ASN182 2.7 16.5 1.0
OG1 D:THR164 3.0 17.5 1.0
OG1 D:THR180 3.0 11.7 1.0
OD1 D:ASN182 3.0 27.7 1.0
CG D:ASN182 3.2 26.9 1.0
ND2 D:ASN182 3.4 29.7 1.0
OD1 D:ASP187 3.5 24.9 1.0
CB D:THR180 3.5 11.8 1.0
C D:ASN182 3.6 20.3 1.0
C D:THR164 3.6 8.8 1.0
C D:ILE185 3.6 13.2 1.0
CG2 D:THR180 3.7 2.1 1.0
CG D:ASP187 4.0 20.8 1.0
OD2 D:ASP187 4.1 22.5 1.0
CB D:THR164 4.1 11.7 1.0
CB D:ASN182 4.2 25.4 1.0
N D:ILE185 4.2 11.6 1.0
CA D:THR164 4.2 10.1 1.0
CA D:ILE185 4.3 11.6 1.0
CA D:ASN182 4.3 22.4 1.0
N D:PRO183 4.4 17.2 1.0
CB D:ILE185 4.4 12.9 1.0
CB D:SER189 4.5 17.3 1.0
CG2 D:THR164 4.6 11.7 1.0
N D:ASN182 4.6 23.2 1.0
N D:ASP187 4.6 15.0 1.0
N D:ILE165 4.7 9.8 1.0
CA D:PRO183 4.7 12.7 1.0
OG D:SER189 4.7 22.9 1.0
N D:PHE186 4.7 13.8 1.0
CG2 D:ILE165 4.8 5.7 1.0
C D:PRO183 4.9 10.6 1.0
CA D:PHE186 4.9 12.3 1.0
O D:HOH455 5.0 15.4 1.0
CA D:ILE165 5.0 8.6 1.0

Reference:

W.R.Patterson, T.L.Poulos. Crystal Structure of Recombinant Pea Cytosolic Ascorbate Peroxidase. Biochemistry V. 34 4331 1995.
ISSN: ISSN 0006-2960
PubMed: 7703247
DOI: 10.1021/BI00013A023
Page generated: Mon Aug 12 04:01:59 2024

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