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Sodium in PDB 1xel: Udp-Galactose 4-Epimerase From Escherichia Coli

Enzymatic activity of Udp-Galactose 4-Epimerase From Escherichia Coli

All present enzymatic activity of Udp-Galactose 4-Epimerase From Escherichia Coli:
5.1.3.2;

Protein crystallography data

The structure of Udp-Galactose 4-Epimerase From Escherichia Coli, PDB code: 1xel was solved by J.Thoden, H.Holden, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 1.80
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 83.800, 83.800, 108.400, 90.00, 90.00, 120.00
R / Rfree (%) n/a / n/a

Sodium Binding Sites:

The binding sites of Sodium atom in the Udp-Galactose 4-Epimerase From Escherichia Coli (pdb code 1xel). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Udp-Galactose 4-Epimerase From Escherichia Coli, PDB code: 1xel:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in 1xel

Go back to Sodium Binding Sites List in 1xel
Sodium binding site 1 out of 2 in the Udp-Galactose 4-Epimerase From Escherichia Coli


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Udp-Galactose 4-Epimerase From Escherichia Coli within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na352

b:32.9
occ:1.00
OE1 A:GLN91 2.3 24.8 1.0
O A:HOH393 2.4 19.5 1.0
O A:HOH392 2.5 20.4 1.0
O A:HOH616 2.6 40.2 1.0
CD A:GLN91 3.2 25.7 1.0
NE2 A:GLN91 3.6 28.0 1.0
O A:HOH391 4.0 39.0 1.0
CA A:GLN91 4.2 19.6 1.0
O A:HOH726 4.4 53.4 1.0
CG A:GLN91 4.5 18.5 1.0
CB A:GLN91 4.6 23.4 1.0
O A:VAL90 4.7 18.3 1.0
O A:GLN91 4.8 18.1 1.0

Sodium binding site 2 out of 2 in 1xel

Go back to Sodium Binding Sites List in 1xel
Sodium binding site 2 out of 2 in the Udp-Galactose 4-Epimerase From Escherichia Coli


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Udp-Galactose 4-Epimerase From Escherichia Coli within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na353

b:32.8
occ:1.00
O A:GLN334 2.2 32.5 1.0
O A:HOH546 2.5 35.3 1.0
O A:HOH545 2.6 27.8 1.0
O A:HOH542 2.7 48.5 1.0
O A:HOH596 2.7 29.6 1.0
C A:GLN334 3.3 36.6 1.0
O A:HOH750 3.3 59.2 1.0
O A:TYR336 4.0 27.7 1.0
CA A:GLN334 4.0 32.7 1.0
N A:GLY335 4.2 26.5 1.0
CB A:GLN334 4.3 33.6 1.0
CA A:GLY335 4.4 20.2 1.0
NZ A:LYS37 4.4 33.9 1.0
NE2 A:GLN334 4.5 0.0 1.0
NE2 A:GLN194 4.5 26.8 1.0
OD2 A:ASP192 4.5 21.5 1.0
OD1 A:ASP192 4.6 23.5 1.0
OE1 A:GLN194 4.6 35.6 1.0
OD1 A:ASP338 4.6 0.0 1.0
C A:GLY335 4.7 33.0 1.0
N A:TYR336 4.7 31.6 1.0
C A:TYR336 5.0 20.0 1.0

Reference:

J.B.Thoden, P.A.Frey, H.M.Holden. Molecular Structure of the Nadh/Udp-Glucose Abortive Complex of Udp-Galactose 4-Epimerase From Escherichia Coli: Implications For the Catalytic Mechanism. Biochemistry V. 35 5137 1996.
ISSN: ISSN 0006-2960
PubMed: 8611497
DOI: 10.1021/BI9601114
Page generated: Tue Dec 15 05:41:39 2020

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