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Magnesium in PDB 3gao: Crystal Structure of the Guanine Riboswitch Bound to Xanthine.

Protein crystallography data

The structure of Crystal Structure of the Guanine Riboswitch Bound to Xanthine., PDB code: 3gao was solved by S.D.Gilbert, R.T.Batey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.49 / 1.90
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 131.351, 35.099, 42.248, 90.00, 90.38, 90.00
R / Rfree (%) 21 / 24.6

Other elements in 3gao:

The structure of Crystal Structure of the Guanine Riboswitch Bound to Xanthine. also contains other interesting chemical elements:

Cobalt (Co) 13 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Crystal Structure of the Guanine Riboswitch Bound to Xanthine. (pdb code 3gao). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Crystal Structure of the Guanine Riboswitch Bound to Xanthine., PDB code: 3gao:

Magnesium binding site 1 out of 1 in 3gao

Go back to Magnesium Binding Sites List in 3gao
Magnesium binding site 1 out of 1 in the Crystal Structure of the Guanine Riboswitch Bound to Xanthine.


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of the Guanine Riboswitch Bound to Xanthine. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg150

b:10.8
occ:1.00
OP2 A:A23 2.2 22.7 1.0
O A:HOH462 2.4 31.0 1.0
O A:HOH489 2.4 33.3 1.0
O A:HOH431 2.4 25.5 1.0
O A:HOH444 2.4 28.7 1.0
O A:HOH448 2.5 21.6 1.0
O3' A:U22 3.3 22.6 1.0
P A:A23 3.3 23.2 1.0
O A:HOH401 4.1 27.1 1.0
O A:HOH509 4.2 32.9 1.0
O A:HOH340 4.2 24.2 1.0
N7 A:A21 4.3 20.2 1.0
O2' A:U22 4.3 17.7 1.0
OP1 A:A23 4.3 22.8 1.0
O A:HOH514 4.4 36.5 1.0
O A:HOH451 4.4 30.1 1.0
N6 A:A21 4.4 18.1 1.0
O5' A:A23 4.4 24.0 1.0
C5' A:A23 4.6 23.8 1.0
C3' A:U22 4.6 20.2 1.0
O A:HOH474 4.6 36.7 1.0
O A:HOH465 4.8 30.1 1.0
C5 A:A21 4.9 20.9 1.0

Reference:

S.D.Gilbert, F.E.Reyes, A.L.Edwards, R.T.Batey. Adaptive Ligand Binding By the Purine Riboswitch in the Recognition of Guanine and Adenine Analogs. Structure V. 17 857 2009.
ISSN: ISSN 0969-2126
PubMed: 19523903
DOI: 10.1016/J.STR.2009.04.009
Page generated: Mon Dec 14 08:11:12 2020

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