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Sodium in PDB 1nah: Udp-Galactose 4-Epimerase From Escherichia Coli, Reduced

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

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

Protein crystallography data

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

Resolution Low / High (Å) 30.00 / 1.80
Space group P 32 2 1
Cell size a, b, c (Å), α, β, γ (°) 83.500, 83.500, 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, Reduced (pdb code 1nah). 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, Reduced, PDB code: 1nah:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in 1nah

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


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, Reduced within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na339

b:25.6
occ:1.00
O A:GLN334 2.3 27.0 1.0
O A:HOH552 2.4 25.3 1.0
O A:HOH403 2.4 21.6 1.0
O A:HOH402 2.5 23.8 1.0
O A:HOH404 2.5 37.7 1.0
O A:HOH788 3.1 55.8 1.0
C A:GLN334 3.3 26.7 1.0
O A:TYR336 4.0 21.5 1.0
CA A:GLN334 4.1 21.1 1.0
NZ A:LYS37 4.2 28.6 1.0
N A:GLY335 4.2 23.2 1.0
CB A:GLN334 4.3 20.7 1.0
CA A:GLY335 4.4 16.5 1.0
OD2 A:ASP192 4.4 18.1 1.0
NE2 A:GLN194 4.5 22.6 1.0
OE1 A:GLN194 4.5 29.1 1.0
OD1 A:ASP192 4.5 22.4 1.0
NE2 A:GLN334 4.6 0.0 1.0
C A:GLY335 4.6 23.3 1.0
CE A:LYS37 4.7 48.7 1.0
N A:TYR336 4.7 21.0 1.0
C A:TYR336 4.9 19.6 1.0
CD A:GLN194 4.9 47.2 1.0
CG A:ASP192 5.0 19.7 1.0

Sodium binding site 2 out of 2 in 1nah

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


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, Reduced within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na340

b:24.8
occ:1.00
O A:HOH526 2.4 18.7 1.0
O A:HOH687 2.4 29.6 1.0
O A:HOH527 2.5 35.1 1.0
O A:HOH528 2.6 19.0 1.0
O A:HOH516 2.6 19.1 1.0
O A:HOH523 4.1 27.3 1.0
O A:ALA166 4.2 18.3 1.0
CA A:ALA166 4.3 11.2 1.0
O A:HOH686 4.4 39.5 1.0
O A:HOH529 4.5 39.6 1.0
O A:LYS165 4.6 16.5 1.0
C A:ALA166 4.7 24.4 1.0
O A:HOH690 4.7 68.7 1.0
CB A:ALA166 5.0 10.9 1.0

Reference:

J.B.Thoden, P.A.Frey, H.M.Holden. Crystal Structures of the Oxidized and Reduced Forms of Udp-Galactose 4-Epimerase Isolated From Escherichia Coli. Biochemistry V. 35 2557 1996.
ISSN: ISSN 0006-2960
PubMed: 8611559
DOI: 10.1021/BI952715Y
Page generated: Tue Dec 15 05:30:50 2020

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