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Sodium in PDB 2x8t: Crystal Structure of the ABN2 H318A Mutant

Enzymatic activity of Crystal Structure of the ABN2 H318A Mutant

All present enzymatic activity of Crystal Structure of the ABN2 H318A Mutant:
3.2.1.99;

Protein crystallography data

The structure of Crystal Structure of the ABN2 H318A Mutant, PDB code: 2x8t was solved by D.Desanctis, J.M.Inacio, P.F.Lindley, I.De Sa-Nogueira, I.Bento, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 31.79 / 1.79
Space group P 1
Cell size a, b, c (Å), α, β, γ (°) 51.800, 57.370, 85.480, 82.10, 88.21, 63.61
R / Rfree (%) 15.8 / 18.9

Other elements in 2x8t:

The structure of Crystal Structure of the ABN2 H318A Mutant also contains other interesting chemical elements:

Calcium (Ca) 2 atoms
Chlorine (Cl) 2 atoms

Sodium Binding Sites:

The binding sites of Sodium atom in the Crystal Structure of the ABN2 H318A Mutant (pdb code 2x8t). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Crystal Structure of the ABN2 H318A Mutant, PDB code: 2x8t:

Sodium binding site 1 out of 1 in 2x8t

Go back to Sodium Binding Sites List in 2x8t
Sodium binding site 1 out of 1 in the Crystal Structure of the ABN2 H318A Mutant


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of the ABN2 H318A Mutant within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Na476

b:52.0
occ:1.00
O B:HOH2172 2.2 15.7 1.0
O B:HOH2173 2.3 31.8 1.0
CG2 B:VAL447 4.2 16.0 1.0
O B:HOH2181 4.3 28.8 1.0
O B:GLY312 4.3 11.2 1.0
N B:GLY312 4.4 9.8 1.0
CD1 B:PHE338 4.5 9.2 1.0
CL B:CL1473 4.5 15.8 1.0
CA B:THR311 4.6 11.6 1.0
CE1 B:PHE338 4.9 9.1 1.0
O B:GLY310 4.9 11.4 1.0
C B:THR311 5.0 11.5 1.0
NH2 B:ARG348 5.0 11.2 1.0

Reference:

D.De Sanctis, J.M.Inacio, P.F.Lindley, I.De Sa-Nogueira, I.Bento. New Evidence For the Role of Calcium in the Glycosidase Reaction of GH43 Arabinanases. Febs J. V. 277 4562 2010.
ISSN: ISSN 1742-464X
PubMed: 20883454
DOI: 10.1111/J.1742-4658.2010.07870.X
Page generated: Tue Dec 15 05:59:05 2020

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