Strontium in PDB 4rum: Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt

The structure of Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt, PDB code: 4rum was solved by A.Ramesh, W.C.Winkler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.87 / 2.64
Space group	I 4 2 2
Cell size a, b, c (Å), α, β, γ (°)	95.790, 95.790, 229.986, 90.00, 90.00, 90.00
R / Rfree (%)	19.4 / 23.1

The structure of Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt also contains other interesting chemical elements:

Cobalt	(Co)	4 atoms
Magnesium	(Mg)	2 atoms
Potassium	(K)	7 atoms

The binding sites of Strontium atom in the Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt (pdb code 4rum). This binding sites where shown within 5.0 Angstroms radius around Strontium atom.
In total only one binding site of Strontium was determined in the Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt, PDB code: 4rum:

Strontium binding site 1 out of 1 in the Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt


Mono view


Stereo pair view

A full contact list of Strontium with other atoms in the Sr binding site number 1 of Crystal Structure of the Nico Transition-Metal Riboswitch Bound to Cobalt within 5.0Å range: probe atom residue distance (Å) B Occ A:Sr114 b:35.8 occ:1.00 O A:HOH263 2.3 24.0 1.0 O A:HOH266 2.4 21.0 1.0 O6 A:GTP6 2.4 30.9 1.0 O1G A:GTP6 2.5 15.6 1.0 O1B A:GTP6 2.6 32.2 1.0 N7 A:GTP6 2.7 34.2 1.0 C5 A:GTP6 3.3 27.1 1.0 C6 A:GTP6 3.3 31.0 1.0 PG A:GTP6 3.8 18.3 0.5 PB A:GTP6 3.8 38.1 1.0 C8 A:GTP6 4.0 33.4 1.0 O3G A:GTP6 4.1 17.1 1.0 O3B A:GTP6 4.3 33.6 1.0 O3A A:GTP6 4.3 41.4 1.0 N6 A:A98 4.4 33.0 1.0 O A:HOH288 4.5 40.6 1.0 N1 A:GTP6 4.6 34.3 1.0 C4 A:GTP6 4.6 28.7 1.0 N1 A:A98 4.8 33.2 1.0 N7 A:G7 4.8 31.0 1.0 O6 A:G7 4.9 36.5 1.0 N9 A:GTP6 4.9 34.3 1.0

K.Furukawa, A.Ramesh, Z.Zhou, Z.Weinberg, T.Vallery, W.C.Winkler, R.R.Breaker. Bacterial Riboswitches Cooperatively Bind Ni(2+) or Co(2+) Ions and Control Expression of Heavy Metal Transporters. Mol.Cell V. 57 1088 2015.
ISSN: ISSN 1097-2765
PubMed: 25794617
DOI: 10.1016/J.MOLCEL.2015.02.009