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Magnesium in PDB 3xis: A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose

Enzymatic activity of A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose

All present enzymatic activity of A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose:
5.3.1.5;

Protein crystallography data

The structure of A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose, PDB code: 3xis was solved by M.Whitlow, A.J.Howard, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 1.60
Space group I 2 2 2
Cell size a, b, c (Å), α, β, γ (°) 94.640, 99.970, 103.970, 90.00, 90.00, 90.00
R / Rfree (%) n/a / n/a

Magnesium Binding Sites:

The binding sites of Magnesium atom in the A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose (pdb code 3xis). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose, PDB code: 3xis:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in 3xis

Go back to Magnesium Binding Sites List in 3xis
Magnesium binding site 1 out of 2 in the A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg391

b:39.1
occ:0.47
O A:HOH511 1.8 24.8 0.7
OD2 A:ASP255 2.1 34.1 1.0
OE2 A:GLU217 2.5 14.2 1.0
OD1 A:ASP257 2.5 16.6 1.0
CG A:ASP255 2.7 32.5 1.0
NE2 A:HIS220 2.7 12.2 1.0
OD1 A:ASP255 2.8 28.7 1.0
O A:HOH513 2.8 33.6 0.8
O A:HOH721 3.0 30.2 0.9
CD2 A:HIS220 3.3 11.1 1.0
CG A:ASP257 3.5 16.2 1.0
O1 A:XLS393 3.5 17.3 0.4
OD2 A:ASP257 3.6 21.2 1.0
CD A:GLU217 3.6 13.9 1.0
O2 A:XLS393 3.7 28.4 0.4
CE1 A:HIS220 3.9 14.4 1.0
O A:HOH637 4.1 29.8 0.6
C1 A:XLS393 4.2 32.3 0.4
CB A:ASP255 4.2 13.4 1.0
OE1 A:GLU217 4.3 17.3 1.0
OD1 A:ASN247 4.3 14.6 1.0
O2 A:XLS393 4.5 32.4 0.3
C2 A:XLS393 4.5 22.9 0.4
OD2 A:ASP287 4.5 18.2 1.0
NZ A:LYS183 4.5 16.3 1.0
CG A:HIS220 4.6 5.8 1.0
CE A:LYS183 4.7 7.2 1.0
O A:HOH476 4.8 11.2 0.8
CG A:GLU217 4.8 9.9 1.0
MG A:MG392 4.8 33.6 0.3
CB A:ASP257 4.9 11.4 1.0
ND1 A:HIS220 4.9 11.1 1.0

Magnesium binding site 2 out of 2 in 3xis

Go back to Magnesium Binding Sites List in 3xis
Magnesium binding site 2 out of 2 in the A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 Angstroms Streptomyces Rubiginosus Structures with Xylitol and D-Xylose within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg392

b:33.6
occ:0.27
O3 A:XLS393 1.5 25.8 0.3
O2 A:XLS393 1.9 28.4 0.4
OD2 A:ASP287 2.0 18.2 1.0
OE1 A:GLU217 2.0 17.3 1.0
OE2 A:GLU181 2.3 47.8 1.0
O4 A:XLS393 2.7 20.9 0.4
OD2 A:ASP245 2.7 16.0 1.0
C3 A:XLS393 2.9 30.0 0.3
C2 A:XLS393 3.0 22.9 0.4
CD A:GLU217 3.0 13.9 1.0
O3 A:XLS393 3.0 25.0 0.4
CG A:ASP287 3.1 17.8 1.0
CD A:GLU181 3.2 26.7 1.0
O2 A:XLS393 3.3 32.4 0.3
C3 A:XLS393 3.4 34.8 0.4
OE1 A:GLU181 3.5 16.2 1.0
O A:HOH448 3.5 24.3 0.9
C2 A:XLS393 3.5 29.0 0.3
C4 A:XLS393 3.5 38.4 0.4
OE2 A:GLU217 3.6 14.2 1.0
CB A:ASP287 3.7 10.0 1.0
CG A:ASP245 3.8 11.2 1.0
O A:HOH511 3.8 24.8 0.7
C4 A:XLS393 3.9 26.9 0.3
CE1 A:HIS220 4.0 14.4 1.0
OD1 A:ASP287 4.2 12.5 1.0
CG A:GLU217 4.2 9.9 1.0
CB A:ASP245 4.2 6.9 1.0
O4 A:XLS393 4.3 6.2 0.3
C1 A:XLS393 4.4 32.3 0.4
CB A:GLU217 4.4 7.6 1.0
NE2 A:HIS220 4.4 12.2 1.0
CG A:GLU181 4.5 10.1 1.0
O A:HOH637 4.7 29.8 0.6
OD1 A:ASP245 4.8 12.8 1.0
O1 A:XLS393 4.8 17.3 0.4
MG A:MG391 4.8 39.1 0.5
C5 A:XLS393 4.8 13.6 0.4
ND1 A:HIS220 4.9 11.1 1.0
C1 A:XLS393 4.9 23.6 0.3

Reference:

M.Whitlow, A.J.Howard, B.C.Finzel, T.L.Poulos, E.Winborne, G.L.Gilliland. A Metal-Mediated Hydride Shift Mechanism For Xylose Isomerase Based on the 1.6 A Streptomyces Rubiginosus Structures with Xylitol and D-Xylose. Proteins V. 9 153 1991.
ISSN: ISSN 0887-3585
PubMed: 2006134
DOI: 10.1002/PROT.340090302
Page generated: Mon Dec 14 09:02:50 2020

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