Iridium in PDB 5bjp: Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak

The structure of Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak, PDB code: 5bjp was solved by K.D.Warner, W.Song, G.S.Filonov, S.R.Jaffrey, A.R.Ferre-D'amare, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.34 / 2.51
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	36.642, 55.438, 98.676, 90.00, 90.00, 90.00
R / Rfree (%)	19.1 / 23.9

The structure of Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak also contains other interesting chemical elements:

Fluorine	(F)	2 atoms
Magnesium	(Mg)	2 atoms
Potassium	(K)	4 atoms

The binding sites of Iridium atom in the Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak (pdb code 5bjp). This binding sites where shown within 5.0 Angstroms radius around Iridium atom.
In total 2 binding sites of Iridium where determined in the Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak, PDB code: 5bjp:
Jump to Iridium binding site number: 1; 2;

Iridium binding site 1 out of 2 in the Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak


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 the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak within 5.0Å range: probe atom residue distance (Å) B Occ E:Ir101 b:75.3 occ:1.00 O2 E:U19 3.7 38.5 1.0 N7 E:G20 4.3 35.2 1.0 O6 E:G20 4.4 33.4 1.0 C2 E:U19 4.8 39.7 1.0 O2' E:G23 4.9 40.0 1.0

Iridium binding site 2 out of 2 in the Crystal Structure of the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak


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 the Corn Rna Aptamer in Complex with Dfho, Iridium Hexammine Soak within 5.0Å range: probe atom residue distance (Å) B Occ Y:Ir101 b:65.7 occ:0.36 OP2 Y:G15 4.5 48.8 1.0 OP1 Y:G16 4.6 51.5 1.0 OP2 Y:G16 4.7 51.6 1.0 OP2 Y:G4 4.7 86.3 1.0 OP2 Y:C3 4.7 57.9 1.0 OP1 Y:G15 4.9 52.5 1.0

K.D.Warner, L.Sjekloca, W.Song, G.S.Filonov, S.R.Jaffrey, A.R.Ferre-D'amare. A Homodimer Interface Without Base Pairs in An Rna Mimic of Red Fluorescent Protein. Nat. Chem. Biol. V. 13 1195 2017.
ISSN: ESSN 1552-4469
PubMed: 28945234
DOI: 10.1038/NCHEMBIO.2475