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Potassium in PDB 2c44: Crystal Structure of E. Coli Tryptophanase

Enzymatic activity of Crystal Structure of E. Coli Tryptophanase

All present enzymatic activity of Crystal Structure of E. Coli Tryptophanase:
4.1.99.1;

Protein crystallography data

The structure of Crystal Structure of E. Coli Tryptophanase, PDB code: 2c44 was solved by S.-Y.Ku, P.Yip, P.L.Howell, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 500.00 / 2.81
Space group P 41 21 2
Cell size a, b, c (Å), α, β, γ (°) 215.510, 215.510, 107.560, 90.00, 90.00, 90.00
R / Rfree (%) 19.6 / 22

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of E. Coli Tryptophanase (pdb code 2c44). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 6 binding sites of Potassium where determined in the Crystal Structure of E. Coli Tryptophanase, PDB code: 2c44:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6;

Potassium binding site 1 out of 6 in 2c44

Go back to Potassium Binding Sites List in 2c44
Potassium binding site 1 out of 6 in the Crystal Structure of E. Coli Tryptophanase


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 E. Coli Tryptophanase within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1471

b:18.8
occ:1.00
 OE1 B:GLU72 2.7 12.4 1.0
O B:HOH2091 2.7 6.1 1.0
O A:GLY55 2.8 6.7 1.0
O A:PRO275 2.9 8.2 1.0
O A:HOH2084 3.0 5.9 1.0
O B:GLU72 3.6 8.6 1.0
C A:GLY55 3.7 7.0 1.0
CB B:GLU72 3.8 8.2 1.0
C A:PRO275 3.8 9.1 1.0
CD B:GLU72 3.8 16.9 1.0
CB A:PRO275 3.9 8.9 1.0
CA A:GLY55 3.9 7.4 1.0
CA A:PRO275 3.9 9.1 1.0
CA B:GLU72 4.1 8.6 1.0
C B:GLU72 4.2 8.4 1.0
CG B:GLU72 4.2 11.3 1.0
O B:HOH2037 4.3 5.9 1.0
CA B:GLU311 4.3 9.7 1.0
CB B:GLU311 4.5 10.8 1.0
N B:GLY312 4.5 8.9 1.0
N A:THR56 4.8 7.1 1.0
O A:SER54 4.9 7.7 1.0
OE2 B:GLU72 4.9 21.4 1.0
CE A:MET276 4.9 17.3 1.0
CE A:LYS269 4.9 9.3 1.0
C B:GLU311 5.0 9.5 1.0

Potassium binding site 2 out of 6 in 2c44

Go back to Potassium Binding Sites List in 2c44
Potassium binding site 2 out of 6 in the Crystal Structure of E. Coli Tryptophanase


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 E. Coli Tryptophanase within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1472

b:19.9
occ:1.00
 OE2 A:GLU302 2.6 29.1 1.0
OE2 B:GLU302 2.7 29.4 1.0
O B:GLN301 2.8 15.7 1.0
O A:GLN301 2.8 15.7 1.0
OE1 A:GLN107 2.9 19.3 1.0
OE1 B:GLN107 3.0 14.7 1.0
NE2 A:GLN107 3.4 13.1 1.0
CD A:GLN107 3.4 16.5 1.0
NE2 B:GLN107 3.5 10.7 1.0
CD B:GLN107 3.6 12.1 1.0
CD A:GLU302 3.8 22.4 1.0
C B:GLN301 3.8 13.6 1.0
C A:GLN301 3.8 13.8 1.0
CD B:GLU302 3.8 20.4 1.0
CB A:GLN301 4.3 12.2 1.0
CE1 A:HIS100 4.3 12.9 1.0
CE1 B:HIS100 4.3 17.2 1.0
CB B:GLN301 4.4 13.4 1.0
CA A:GLN301 4.4 13.0 1.0
CA B:GLN301 4.4 13.1 1.0
NE2 A:GLN301 4.5 17.7 1.0
NE2 B:GLN301 4.5 14.2 1.0
OE1 A:GLU302 4.5 20.5 1.0
OE1 B:GLU302 4.6 15.9 1.0
CG A:GLU302 4.7 15.9 1.0
CG B:GLU302 4.7 14.8 1.0
N B:GLU302 4.8 13.6 1.0
N A:GLU302 4.8 13.6 1.0
CG A:GLN107 4.8 12.8 1.0
ND1 A:HIS100 4.9 11.6 1.0
ND1 B:HIS100 4.9 15.2 1.0
CA B:GLU302 4.9 13.8 1.0
CG B:GLN107 4.9 12.7 1.0
CA A:GLU302 5.0 13.7 1.0

Potassium binding site 3 out of 6 in 2c44

Go back to Potassium Binding Sites List in 2c44
Potassium binding site 3 out of 6 in the Crystal Structure of E. Coli Tryptophanase


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 E. Coli Tryptophanase within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K1472

b:27.5
occ:1.00
 OE1 A:GLU72 2.7 14.7 1.0
O B:GLY55 2.8 6.8 1.0
O B:PRO275 2.9 7.5 1.0
O B:HOH2028 3.1 15.2 1.0
O A:GLU72 3.6 8.7 1.0
C B:GLY55 3.6 7.0 1.0
C B:PRO275 3.7 8.7 1.0
CB A:GLU72 3.8 9.1 1.0
CB B:PRO275 3.8 9.4 1.0
CD A:GLU72 3.8 14.7 1.0
CA B:PRO275 3.9 9.1 1.0
CA B:GLY55 3.9 7.5 1.0
CA A:GLU72 4.1 8.4 1.0
C A:GLU72 4.2 8.5 1.0
CG A:GLU72 4.2 10.4 1.0
CA A:GLU311 4.3 9.6 1.0
CB A:GLU311 4.5 9.2 1.0
N A:GLY312 4.5 8.8 1.0
N B:THR56 4.8 6.9 1.0
OE2 A:GLU72 4.9 17.0 1.0
O B:SER54 4.9 8.4 1.0
N B:MET276 5.0 8.1 1.0
C A:GLU311 5.0 9.4 1.0
CE B:LYS269 5.0 12.4 1.0
CE B:MET276 5.0 18.0 1.0

Potassium binding site 4 out of 6 in 2c44

Go back to Potassium Binding Sites List in 2c44
Potassium binding site 4 out of 6 in the Crystal Structure of E. Coli Tryptophanase


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 E. Coli Tryptophanase within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K1472

b:13.5
occ:1.00
 OE1 D:GLU72 2.7 14.2 1.0
O C:GLY55 2.8 7.2 1.0
O C:PRO275 2.8 7.6 1.0
O D:HOH2090 2.8 19.9 1.0
O D:GLU72 3.6 9.0 1.0
C C:GLY55 3.7 7.0 1.0
C C:PRO275 3.7 8.9 1.0
CB D:GLU72 3.8 8.8 1.0
CB C:PRO275 3.8 9.1 1.0
CD D:GLU72 3.8 15.6 1.0
CA C:PRO275 3.9 9.4 1.0
CA C:GLY55 3.9 7.2 1.0
CA D:GLU72 4.1 8.5 1.0
CG D:GLU72 4.2 12.5 1.0
C D:GLU72 4.3 8.3 1.0
CA D:GLU311 4.3 9.7 1.0
CB D:GLU311 4.4 9.5 1.0
N D:GLY312 4.5 8.4 1.0
O D:HOH2031 4.7 19.9 1.0
N C:THR56 4.8 7.1 1.0
OE2 D:GLU72 4.9 16.8 1.0
O C:SER54 4.9 8.2 1.0
N C:MET276 4.9 7.9 1.0
C D:GLU311 4.9 9.4 1.0
CE C:MET276 5.0 20.7 1.0
CE C:LYS269 5.0 12.5 1.0

Potassium binding site 5 out of 6 in 2c44

Go back to Potassium Binding Sites List in 2c44
Potassium binding site 5 out of 6 in the Crystal Structure of E. Coli Tryptophanase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Crystal Structure of E. Coli Tryptophanase within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K1473

b:19.9
occ:1.00
 OE2 C:GLU302 2.6 29.2 1.0
OE2 D:GLU302 2.7 33.1 1.0
O D:GLN301 2.8 15.8 1.0
OE1 C:GLN107 2.9 17.7 1.0
O C:GLN301 2.9 15.9 1.0
OE1 D:GLN107 3.1 17.1 1.0
NE2 C:GLN107 3.4 13.5 1.0
CD C:GLN107 3.4 16.1 1.0
NE2 D:GLN107 3.6 13.6 1.0
CD D:GLN107 3.6 15.8 1.0
CD C:GLU302 3.7 22.6 1.0
C D:GLN301 3.8 13.8 1.0
CD D:GLU302 3.8 22.4 1.0
C C:GLN301 3.9 14.0 1.0
CE1 C:HIS100 4.2 18.4 1.0
CE1 D:HIS100 4.3 14.6 1.0
CB D:GLN301 4.4 12.5 1.0
CB C:GLN301 4.4 13.8 1.0
CA D:GLN301 4.4 12.7 1.0
OE1 C:GLU302 4.4 19.8 1.0
CA C:GLN301 4.5 13.4 1.0
NE2 D:GLN301 4.5 21.1 1.0
NE2 C:GLN301 4.6 16.8 1.0
OE1 D:GLU302 4.6 18.7 1.0
CG C:GLU302 4.7 16.4 1.0
N D:GLU302 4.7 13.9 1.0
CG D:GLU302 4.8 16.3 1.0
CG C:GLN107 4.8 14.0 1.0
ND1 C:HIS100 4.8 17.9 1.0
N C:GLU302 4.8 14.0 1.0
CA D:GLU302 4.9 13.8 1.0
ND1 D:HIS100 4.9 15.9 1.0
CA C:GLU302 5.0 14.2 1.0

Potassium binding site 6 out of 6 in 2c44

Go back to Potassium Binding Sites List in 2c44
Potassium binding site 6 out of 6 in the Crystal Structure of E. Coli Tryptophanase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Crystal Structure of E. Coli Tryptophanase within 5.0Å range:
probe atom residue distance (Å) B Occ
D:K1471

b:14.9
occ:1.00
 OE1 C:GLU72 2.7 15.8 1.0
O C:HOH2033 2.8 5.9 1.0
O D:GLY55 2.8 7.3 1.0
O D:PRO275 2.9 8.6 1.0
O C:GLU72 3.6 8.5 1.0
C D:GLY55 3.7 7.0 1.0
CB C:GLU72 3.7 8.6 1.0
C D:PRO275 3.8 9.2 1.0
CD C:GLU72 3.8 17.8 1.0
CB D:PRO275 3.9 8.7 1.0
CA D:PRO275 3.9 8.9 1.0
CA D:GLY55 4.0 7.6 1.0
CA C:GLU72 4.1 8.6 1.0
C C:GLU72 4.2 8.5 1.0
CG C:GLU72 4.2 12.6 1.0
CA C:GLU311 4.3 10.1 1.0
CB C:GLU311 4.5 11.1 1.0
N C:GLY312 4.5 9.1 1.0
N D:THR56 4.8 7.0 1.0
OE2 C:GLU72 4.9 19.1 1.0
O D:SER54 4.9 8.2 1.0
C C:GLU311 4.9 9.6 1.0
CE D:MET276 5.0 19.1 1.0
CE D:LYS269 5.0 9.4 1.0
O D:HOH2021 5.0 10.5 1.0

Reference:

S.-Y.Ku, P.Yip, P.L.Howell. Structure of Escherichia Coli Tryptophanase Acta Crystallogr.,Sect.D V. 62 814 2006.
ISSN: ISSN 0907-4449
PubMed: 16790938
DOI: 10.1107/S0907444906019895
Page generated: Sat Aug 9 03:14:02 2025

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