Iridium in PDB 2gis: Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element

The structure of Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element, PDB code: 2gis was solved by R.K.Montange, R.T.Batey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.32 / 2.90
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	62.901, 62.901, 158.967, 90.00, 90.00, 90.00
R / Rfree (%)	26.6 / 28.9

The structure of Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Iridium atom in the Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element (pdb code 2gis). This binding sites where shown within 5.0 Angstroms radius around Iridium atom.
In total 4 binding sites of Iridium where determined in the Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element, PDB code: 2gis:
Jump to Iridium binding site number: 1; 2; 3; 4;

Iridium binding site 1 out of 4 in the Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 1 of Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir201 b:99.0 occ:1.00 IR A:IRI201 0.0 99.0 1.0 N2 A:IRI201 2.2 98.5 1.0 N6 A:IRI201 2.2 99.0 1.0 N3 A:IRI201 2.2 98.6 1.0 N5 A:IRI201 2.3 98.2 1.0 N1 A:IRI201 2.3 97.7 1.0 N4 A:IRI201 2.3 99.0 1.0 OP2 A:G32 4.2 60.9 1.0 OP2 A:A33 4.4 67.3 1.0 OP1 A:A33 4.6 65.9 1.0 O A:HOH448 4.9 0.2 1.0

Iridium binding site 2 out of 4 in the Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 2 of Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir202 b:85.2 occ:1.00 IR A:IRI202 0.0 85.2 1.0 N2 A:IRI202 2.2 85.8 1.0 N6 A:IRI202 2.2 85.3 1.0 N1 A:IRI202 2.3 85.5 1.0 N4 A:IRI202 2.3 85.8 1.0 N5 A:IRI202 2.3 85.6 1.0 N3 A:IRI202 2.3 84.5 1.0 O4 A:U17 4.2 0.5 1.0 N7 A:G16 4.5 96.9 1.0 O6 A:G16 4.7 96.1 1.0 OP1 A:A36 4.9 75.7 1.0 O6 A:G18 4.9 94.9 1.0 N7 A:G15 5.0 0.6 1.0 O6 A:G15 5.0 0.1 1.0

Iridium binding site 3 out of 4 in the Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 3 of Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir203 b:89.5 occ:1.00 IR A:IRI203 0.0 89.5 1.0 N2 A:IRI203 2.2 90.3 1.0 N6 A:IRI203 2.2 90.3 1.0 N5 A:IRI203 2.3 90.7 1.0 N1 A:IRI203 2.3 91.0 1.0 N3 A:IRI203 2.3 91.2 1.0 N4 A:IRI203 2.3 90.6 1.0 OP2 A:C25 4.0 74.4 1.0 OP2 A:U26 4.0 85.2 1.0 O6 A:G27 4.1 70.8 1.0 N7 A:G27 4.2 73.4 1.0 O6 A:G28 4.4 68.5 1.0 O6 A:G23 4.5 63.4 1.0 N7 A:G28 4.5 70.5 1.0 C6 A:G23 4.9 62.4 1.0 C5 A:U26 4.9 84.6 1.0 C6 A:G27 4.9 71.5 1.0 C5 A:G27 4.9 72.4 1.0

Iridium binding site 4 out of 4 in the Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 4 of Structure of the S-Adenosylmethionine Riboswitch Mrna Regulatory Element within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir204 b:49.0 occ:1.00 IR A:IRI204 0.0 49.0 1.0 N2 A:IRI204 2.2 50.8 1.0 N4 A:IRI204 2.2 51.3 1.0 N5 A:IRI204 2.2 53.6 1.0 N6 A:IRI204 2.2 53.3 1.0 N1 A:IRI204 2.3 51.8 1.0 N3 A:IRI204 2.3 53.8 1.0 O A:HOH475 3.4 36.5 1.0 O4 A:U4 4.1 50.3 1.0 O4 A:U88 4.2 45.0 1.0 O4 A:U5 4.2 53.1 1.0 O6 A:G89 4.9 43.0 1.0

R.K.Montange, R.T.Batey. Structure of the S-Adenosylmethionine Riboswitch Regulatory Mrna Element. Nature V. 441 1172 2006.
ISSN: ISSN 0028-0836
PubMed: 16810258
DOI: 10.1038/NATURE04819