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Potassium in PDB 1ax4: Tryptophanase From Proteus Vulgaris

Enzymatic activity of Tryptophanase From Proteus Vulgaris

All present enzymatic activity of Tryptophanase From Proteus Vulgaris:
4.1.99.1;

Protein crystallography data

The structure of Tryptophanase From Proteus Vulgaris, PDB code: 1ax4 was solved by M.N.Isupov, A.A.Antson, E.J.Dodson, G.G.Dodson, I.S.Dementieva, L.N.Zakomirdina, K.S.Wilson, Z.Dauter, A.A.Lebedev, E.H.Harutyunyan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 18.00 / 2.10
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 114.990, 118.230, 153.680, 90.00, 90.00, 90.00
R / Rfree (%) 18.7 / 22.7

Potassium Binding Sites:

The binding sites of Potassium atom in the Tryptophanase From Proteus Vulgaris (pdb code 1ax4). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Tryptophanase From Proteus Vulgaris, PDB code: 1ax4:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 1ax4

Go back to Potassium Binding Sites List in 1ax4
Potassium binding site 1 out of 4 in the Tryptophanase From Proteus Vulgaris


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Tryptophanase From Proteus Vulgaris within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K500

b:12.2
occ:1.00
 OE1 B:GLU70 2.6 9.1 1.0
O A:GLY53 2.8 7.7 1.0
O B:HOH515 2.9 11.2 1.0
O A:HOH544 2.9 15.9 1.0
O A:ASN271 2.9 10.5 1.0
O A:HOH542 3.1 15.3 1.0
O B:GLU70 3.4 11.7 1.0
C A:GLY53 3.6 12.9 1.0
CD B:GLU70 3.8 20.1 1.0
CB B:GLU70 3.9 7.6 1.0
C A:ASN271 3.9 6.8 1.0
CA A:GLY53 3.9 10.2 1.0
CB A:ASN271 3.9 3.9 1.0
CA A:ASN271 4.1 5.3 1.0
CA B:GLU70 4.1 5.2 1.0
C B:GLU70 4.2 8.4 1.0
CA B:ALA305 4.3 10.8 1.0
N B:GLY306 4.3 7.2 1.0
CG B:GLU70 4.3 9.8 1.0
O B:HOH508 4.4 9.1 1.0
N A:THR54 4.7 7.9 1.0
OE2 B:GLU70 4.8 10.9 1.0
CE A:LYS265 4.8 9.6 1.0
CB B:ALA305 4.8 8.1 1.0
C B:ALA305 4.8 9.4 1.0
ND2 A:ASN271 4.8 9.8 1.0
CG A:ASN271 4.9 16.5 1.0
O A:SER52 4.9 8.8 1.0

Potassium binding site 2 out of 4 in 1ax4

Go back to Potassium Binding Sites List in 1ax4
Potassium binding site 2 out of 4 in the Tryptophanase From Proteus Vulgaris


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Tryptophanase From Proteus Vulgaris within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K500

b:10.0
occ:1.00
 O A:HOH521 2.7 12.0 1.0
OE1 A:GLU70 2.7 9.2 1.0
O B:HOH513 2.8 11.1 1.0
O B:GLY53 2.9 7.2 1.0
O B:HOH503 2.9 7.3 1.0
O B:ASN271 3.0 10.4 1.0
O A:GLU70 3.3 10.8 1.0
C B:GLY53 3.7 13.5 1.0
CD A:GLU70 3.9 20.6 1.0
C B:ASN271 3.9 6.5 1.0
CB A:GLU70 3.9 6.9 1.0
CA B:GLY53 4.0 10.3 1.0
CB B:ASN271 4.0 5.2 1.0
C A:GLU70 4.1 8.7 1.0
CA A:GLU70 4.1 5.1 1.0
CA B:ASN271 4.2 4.9 1.0
CA A:ALA305 4.3 10.5 1.0
N A:GLY306 4.3 7.0 1.0
O A:HOH502 4.4 6.7 1.0
CG A:GLU70 4.5 10.4 1.0
ND2 B:ASN271 4.8 10.1 1.0
N B:THR54 4.8 7.6 1.0
C A:ALA305 4.8 8.7 1.0
OE2 A:GLU70 4.9 10.7 1.0
CE B:LYS265 4.9 9.6 1.0
CG B:ASN271 4.9 16.2 1.0
CB A:ALA305 4.9 8.1 1.0
O A:LEU304 4.9 11.7 1.0
O B:SER52 5.0 8.6 1.0

Potassium binding site 3 out of 4 in 1ax4

Go back to Potassium Binding Sites List in 1ax4
Potassium binding site 3 out of 4 in the Tryptophanase From Proteus Vulgaris


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Tryptophanase From Proteus Vulgaris within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K500

b:10.2
occ:1.00
 OE1 D:GLU70 2.7 8.8 1.0
O D:HOH509 2.7 10.4 1.0
O C:HOH506 2.8 8.9 1.0
O C:GLY53 2.8 7.0 1.0
O C:ASN271 2.9 9.9 1.0
O C:HOH529 3.0 13.8 1.0
O D:GLU70 3.4 10.6 1.0
C C:GLY53 3.6 13.5 1.0
CB D:GLU70 3.8 6.8 1.0
CD D:GLU70 3.8 20.2 1.0
CA C:GLY53 3.9 10.0 1.0
C C:ASN271 3.9 6.5 1.0
CB C:ASN271 4.0 5.2 1.0
CA D:GLU70 4.0 5.4 1.0
C D:GLU70 4.1 8.6 1.0
CA C:ASN271 4.2 4.9 1.0
O D:HOH507 4.3 9.1 1.0
CA D:ALA305 4.4 11.0 1.0
N D:GLY306 4.4 7.2 1.0
CG D:GLU70 4.4 10.2 1.0
N C:THR54 4.7 7.4 1.0
CE C:LYS265 4.8 8.8 1.0
OE2 D:GLU70 4.9 10.8 1.0
ND2 C:ASN271 4.9 10.0 1.0
O C:SER52 4.9 8.4 1.0
C D:ALA305 4.9 8.6 1.0
CG C:ASN271 4.9 16.3 1.0
O D:LEU304 4.9 12.3 1.0
CB D:ALA305 5.0 7.9 1.0

Potassium binding site 4 out of 4 in 1ax4

Go back to Potassium Binding Sites List in 1ax4
Potassium binding site 4 out of 4 in the Tryptophanase From Proteus Vulgaris


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Tryptophanase From Proteus Vulgaris within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K500

b:12.6
occ:1.00
 OE1 C:GLU70 2.7 9.4 1.0
O C:HOH511 2.8 9.9 1.0
O C:HOH512 2.9 9.9 1.0
O D:ASN271 2.9 10.4 1.0
O D:GLY53 2.9 6.8 1.0
O D:HOH517 3.0 13.1 1.0
O C:GLU70 3.4 11.2 1.0
C D:GLY53 3.6 13.5 1.0
C D:ASN271 3.8 6.5 1.0
CD C:GLU70 3.8 20.4 1.0
CA D:GLY53 3.9 10.3 1.0
CB C:GLU70 3.9 7.0 1.0
CB D:ASN271 3.9 4.9 1.0
CA D:ASN271 4.1 4.8 1.0
CA C:GLU70 4.1 5.5 1.0
C C:GLU70 4.2 8.7 1.0
CA C:ALA305 4.3 10.6 1.0
N C:GLY306 4.4 7.0 1.0
O C:HOH504 4.4 8.0 1.0
CG C:GLU70 4.5 10.0 1.0
N D:THR54 4.8 7.6 1.0
ND2 D:ASN271 4.8 9.9 1.0
CE D:LYS265 4.8 9.3 1.0
C C:ALA305 4.8 8.6 1.0
OE2 C:GLU70 4.8 10.4 1.0
CG D:ASN271 4.9 16.2 1.0
O D:SER52 4.9 8.9 1.0
O C:LEU304 4.9 11.7 1.0
CB C:ALA305 4.9 8.2 1.0

Reference:

M.N.Isupov, A.A.Antson, E.J.Dodson, G.G.Dodson, I.S.Dementieva, L.N.Zakomirdina, K.S.Wilson, Z.Dauter, A.A.Lebedev, E.H.Harutyunyan. Crystal Structure of Tryptophanase. J.Mol.Biol. V. 276 603 1998.
ISSN: ISSN 0022-2836
PubMed: 9551100
DOI: 10.1006/JMBI.1997.1561
Page generated: Mon Aug 12 04:02:31 2024

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