Iridium in PDB 4enb: Crystal Structure of Fluoride Riboswitch, Bound to Iridium

The structure of Crystal Structure of Fluoride Riboswitch, Bound to Iridium, PDB code: 4enb was solved by A.M.Ren, K.R.Rajashankar, D.J.Patel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.19 / 2.30
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	57.949, 76.466, 42.824, 90.00, 90.00, 90.00
R / Rfree (%)	22.5 / 25.3

The structure of Crystal Structure of Fluoride Riboswitch, Bound to Iridium also contains other interesting chemical elements:

Fluorine	(F)	1 atom
Magnesium	(Mg)	7 atoms
Potassium	(K)	1 atom

The binding sites of Iridium atom in the Crystal Structure of Fluoride Riboswitch, Bound to Iridium (pdb code 4enb). This binding sites where shown within 5.0 Angstroms radius around Iridium atom.
In total 4 binding sites of Iridium where determined in the Crystal Structure of Fluoride Riboswitch, Bound to Iridium, PDB code: 4enb:
Jump to Iridium binding site number: 1; 2; 3; 4;

Iridium binding site 1 out of 4 in the Crystal Structure of Fluoride Riboswitch, Bound to Iridium


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 1 of Crystal Structure of Fluoride Riboswitch, Bound to Iridium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir101 b:93.7 occ:0.26 O A:HOH207 2.5 62.7 1.0 O A:HOH206 2.5 64.8 1.0 O A:HOH213 2.6 59.6 1.0 O A:HOH208 3.4 58.8 1.0 N7 A:G29 4.3 47.4 1.0 O6 A:G29 4.5 58.7 1.0

Iridium binding site 2 out of 4 in the Crystal Structure of Fluoride Riboswitch, Bound to Iridium


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 2 of Crystal Structure of Fluoride Riboswitch, Bound to Iridium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir102 b:88.4 occ:0.34 O A:HOH218 2.5 76.2 1.0 N7 A:G35 3.7 49.8 1.0 O6 A:G35 3.9 49.1 1.0 C5 A:G35 4.5 46.4 1.0 C6 A:G35 4.5 49.4 1.0 C8 A:G35 4.7 53.7 1.0 O6 A:G36 4.9 55.6 1.0 N7 A:G34 4.9 48.6 1.0 N7 A:G36 4.9 50.4 1.0

Iridium binding site 3 out of 4 in the Crystal Structure of Fluoride Riboswitch, Bound to Iridium


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 3 of Crystal Structure of Fluoride Riboswitch, Bound to Iridium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir103 b:71.5 occ:0.19 O A:HOH217 2.5 62.4 1.0 O A:HOH212 2.5 76.8 1.0 O A:HOH219 2.6 71.1 1.0 OP2 A:G2 3.7 72.3 1.0 MG A:MG109 4.0 86.7 1.0 O6 A:G3 4.0 54.7 1.0 N7 A:G2 4.1 61.4 1.0 N7 A:G3 4.1 50.8 1.0 C8 A:G2 4.8 60.9 1.0 O6 A:G2 4.8 56.9 1.0 C5 A:G2 4.8 59.6 1.0 C6 A:G3 4.8 50.7 1.0 C5 A:G3 4.9 48.4 1.0

Iridium binding site 4 out of 4 in the Crystal Structure of Fluoride Riboswitch, Bound to Iridium


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 4 of Crystal Structure of Fluoride Riboswitch, Bound to Iridium within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir104 b:37.5 occ:0.08 O A:HOH202 2.5 43.3 1.0 O6 A:G10 2.9 60.2 1.0 O A:HOH233 3.5 34.2 1.0 O A:HOH235 3.8 30.9 1.0 C6 A:G10 3.9 60.4 1.0 N7 A:G10 4.0 52.7 1.0 C4' A:U41 4.1 49.2 1.0 N6 A:A9 4.1 43.3 1.0 C5 A:G10 4.4 56.4 1.0 O2' A:U41 4.4 56.8 1.0 N7 A:A9 4.6 37.1 1.0 C5' A:U41 4.6 46.3 1.0 O3' A:U41 4.7 48.2 1.0 O4' A:U41 4.8 50.9 1.0 N4 A:C45 4.8 63.6 1.0 C6 A:A9 4.8 48.4 1.0 C3' A:U41 4.9 45.0 1.0 C5 A:A9 4.9 48.7 1.0

A.Ren, K.R.Rajashankar, D.J.Patel. Fluoride Ion Encapsulation By MG2+ Ions and Phosphates in A Fluoride Riboswitch. Nature V. 486 85 2012.
ISSN: ISSN 0028-0836
PubMed: 22678284
DOI: 10.1038/NATURE11152