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Potassium in PDB 8v4a: Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine

Enzymatic activity of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine

All present enzymatic activity of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine:
4.1.99.1;

Protein crystallography data

The structure of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine, PDB code: 8v4a was solved by R.S.Phillips, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 62.76 / 1.96
Space group P 21 21 2
Cell size a, b, c (Å), α, β, γ (°) 150.75, 207.08, 60.83, 90, 90, 90
R / Rfree (%) 17.7 / 22.4

Potassium Binding Sites:

The binding sites of Potassium atom in the Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine (pdb code 8v4a). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine, PDB code: 8v4a:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 8v4a

Go back to Potassium Binding Sites List in 8v4a
Potassium binding site 1 out of 4 in the Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K501

b:26.0
occ:1.00
 O A:HOH681 2.8 25.1 1.0
O A:GLY53 2.8 22.1 1.0
O B:HOH647 2.8 23.6 1.0
OE1 B:GLU70 2.8 24.3 1.0
O A:ASN271 3.0 20.5 1.0
O A:HOH735 3.0 22.9 1.0
O B:GLU70 3.1 23.3 1.0
C A:GLY53 3.5 23.6 1.0
CA A:GLY53 3.8 21.5 1.0
CB B:GLU70 3.8 24.5 1.0
C B:GLU70 3.9 26.3 1.0
C A:ASN271 4.0 24.7 1.0
CB A:ASN271 4.0 18.6 1.0
CD B:GLU70 4.0 25.3 1.0
CA B:GLU70 4.0 21.1 1.0
CA A:ASN271 4.2 22.9 1.0
N B:GLY306 4.4 23.3 1.0
O B:HOH720 4.5 24.5 1.0
CA B:ALA305 4.5 23.9 1.0
CG B:GLU70 4.5 23.9 1.0
N A:THR54 4.6 21.6 1.0
ND2 A:ASN271 4.8 23.4 1.0
O A:SER52 4.8 26.4 1.0
CE A:LYS265 4.8 17.2 1.0
CG A:ASN271 4.9 25.1 1.0
CB B:ALA305 4.9 22.6 1.0

Potassium binding site 2 out of 4 in 8v4a

Go back to Potassium Binding Sites List in 8v4a
Potassium binding site 2 out of 4 in the Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K503

b:27.4
occ:1.00
 OE1 A:GLU70 2.7 19.3 1.0
O A:HOH755 2.8 23.9 1.0
O A:HOH696 2.8 22.3 1.0
O B:GLY53 2.9 21.5 1.0
O B:ASN271 2.9 20.2 1.0
O B:HOH774 3.1 21.1 1.0
O A:GLU70 3.2 21.6 1.0
C B:GLY53 3.6 20.9 1.0
CD A:GLU70 3.8 25.5 1.0
CA B:GLY53 3.9 21.0 1.0
C B:ASN271 3.9 20.0 1.0
CB A:GLU70 3.9 21.4 1.0
CB B:ASN271 3.9 18.5 1.0
C A:GLU70 4.0 25.0 1.0
CA A:GLU70 4.0 24.1 1.0
CA B:ASN271 4.1 18.7 1.0
O A:HOH666 4.2 20.5 1.0
CA A:ALA305 4.3 24.6 1.0
N A:GLY306 4.4 21.8 1.0
CG A:GLU70 4.4 27.1 1.0
N B:THR54 4.7 18.6 1.0
O A:LEU304 4.8 23.1 1.0
OE2 A:GLU70 4.9 25.0 1.0
CB A:ALA305 4.9 18.7 1.0
C A:ALA305 4.9 22.3 1.0
CG B:ASN271 4.9 25.5 1.0
ND2 B:ASN271 4.9 19.8 1.0
CE B:LYS265 5.0 23.5 1.0

Potassium binding site 3 out of 4 in 8v4a

Go back to Potassium Binding Sites List in 8v4a
Potassium binding site 3 out of 4 in the Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K501

b:28.5
occ:1.00
 OE1 D:GLU70 2.6 31.3 1.0
O D:HOH701 2.7 23.4 1.0
O C:GLY53 2.8 18.5 1.0
O C:HOH702 2.8 24.8 1.0
O C:ASN271 3.1 19.4 1.0
O D:GLU70 3.1 29.5 1.0
O C:HOH659 3.2 20.3 1.0
C C:GLY53 3.6 20.1 1.0
CD D:GLU70 3.7 32.8 1.0
CB D:GLU70 3.9 26.9 1.0
CA C:GLY53 3.9 20.7 1.0
CB C:ASN271 3.9 19.7 1.0
C D:GLU70 3.9 26.3 1.0
C C:ASN271 4.0 19.8 1.0
CA D:GLU70 4.0 26.7 1.0
CA C:ASN271 4.1 22.3 1.0
CG D:GLU70 4.3 28.0 1.0
O D:HOH676 4.4 25.8 1.0
CA D:ALA305 4.5 21.3 1.0
N D:GLY306 4.5 25.7 1.0
N C:THR54 4.7 22.3 1.0
ND2 C:ASN271 4.8 21.9 1.0
OE2 D:GLU70 4.8 23.6 1.0
CE C:LYS265 4.8 20.0 1.0
CG C:ASN271 4.8 23.9 1.0
O D:LEU304 4.9 26.0 1.0
O D:ALA71 4.9 23.9 1.0

Potassium binding site 4 out of 4 in 8v4a

Go back to Potassium Binding Sites List in 8v4a
Potassium binding site 4 out of 4 in the Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Proteus Vulgaris Tryptophan Indole-Lyase Complexed with L-Ethionine within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K503

b:25.1
occ:1.00
 O D:HOH762 2.7 20.9 1.0
OE1 C:GLU70 2.8 17.1 1.0
O C:HOH723 2.8 16.4 1.0
O D:GLY53 2.8 18.3 1.0
O D:HOH743 2.9 25.7 1.0
O D:ASN271 3.0 22.9 1.0
O C:GLU70 3.1 24.2 1.0
C D:GLY53 3.6 20.6 1.0
CB C:GLU70 3.9 20.4 1.0
C C:GLU70 3.9 23.6 1.0
CD C:GLU70 3.9 25.4 1.0
CA D:GLY53 3.9 20.0 1.0
C D:ASN271 4.0 18.9 1.0
CA C:GLU70 4.0 23.7 1.0
CB D:ASN271 4.1 20.1 1.0
CA D:ASN271 4.2 16.6 1.0
O C:HOH794 4.3 25.8 1.0
N C:GLY306 4.4 19.1 1.0
CA C:ALA305 4.4 19.3 1.0
CG C:GLU70 4.5 19.6 1.0
N D:THR54 4.7 21.1 1.0
CE D:LYS265 4.9 18.6 1.0
ND2 D:ASN271 4.9 23.8 1.0
O D:SER52 4.9 25.3 1.0
CB C:ALA305 4.9 20.9 1.0
O C:LEU304 5.0 19.0 1.0
OE2 C:GLU70 5.0 23.6 1.0
C C:ALA305 5.0 19.9 1.0

Reference:

R.S.Phillips, R.S.Phillips. N/A N/A.
Page generated: Sat Aug 9 18:06:00 2025

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