Calcium in PDB 2hop: Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine

The structure of Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine, PDB code: 2hop was solved by T.E.Edwards, A.R.Ferre-D'amare, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 3.30
Space group	P 32 1 2
Cell size a, b, c (Å), α, β, γ (°)	61.300, 61.300, 103.600, 90.00, 90.00, 120.00
R / Rfree (%)	25.1 / 33.1

The structure of Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine also contains other interesting chemical elements:

Magnesium

(Mg)

3 atoms

The binding sites of Calcium atom in the Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine (pdb code 2hop). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine, PDB code: 2hop:

Calcium binding site 1 out of 1 in the Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of An E. Coli Thi-Box Riboswitch Bound to Pyrithiamine within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca95 b:38.6 occ:1.00 OP2 A:G19 3.9 5.2 1.0 O4 A:U20 4.4 43.0 1.0 N7 A:G19 4.6 18.1 1.0

T.E.Edwards, A.R.Ferre-D'amare. Crystal Structures of the Thi-Box Riboswitch Bound to Thiamine Pyrophosphate Analogs Reveal Adaptive Rna-Small Molecule Recognition Structure V. 14 1459 2006.
ISSN: ISSN 0969-2126
PubMed: 16962976
DOI: 10.1016/J.STR.2006.07.008