Magnesium in PDB 1ik5: Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple

The structure of Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple, PDB code: 1ik5 was solved by J.Deng, Y.Xiong, C.Sudarsanakumar, K.Shi, M.Sundaralingam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.80
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	60.040, 29.530, 52.440, 90.00, 120.83, 90.00
R / Rfree (%)	20.9 / 23.2

The structure of Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple also contains other interesting chemical elements:

Bromine

(Br)

2 atoms

The binding sites of Magnesium atom in the Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple (pdb code 1ik5). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple, PDB code: 1ik5:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg98 b:38.1 occ:1.00 O A:HOH78 2.0 36.1 1.0 O A:HOH32 2.1 28.9 1.0 O A:HOH40 2.2 39.3 1.0 O A:HOH95 4.1 37.8 1.0 O A:HOH70 4.1 29.6 1.0 O A:HOH92 4.1 37.4 1.0 O A:HOH74 4.2 43.1 1.0 O4 A:U11 4.3 31.8 1.0 O3' A:U6 4.4 45.4 1.0 OP2 A:U7 4.4 43.8 1.0 N7 A:G10 4.5 26.3 1.0 OP2 A:G10 4.6 35.2 1.0 OP2 A:G9 4.6 51.6 1.0 N7 A:G9 4.6 31.8 1.0 O A:HOH51 4.7 37.6 1.0 C8 A:G9 4.9 32.0 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of A 14MER Rna Containing Double Uu Bulges in Two Crystal Forms: A Novel U*(Au) Intramolecular Base Triple within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg99 b:39.5 occ:1.00 O B:HOH75 2.1 37.6 1.0 O A:HOH74 2.1 43.1 1.0 O B:HOH76 2.3 33.7 1.0 O A:HOH77 2.3 48.3 1.0 O B:HOH93 2.6 44.7 1.0 O A:HOH92 3.8 37.4 1.0 N7 B:G15 3.9 36.1 1.0 O A:HOH51 4.3 37.6 1.0 OP2 A:U7 4.5 43.8 1.0 O6 B:G15 4.5 35.4 1.0 C5 B:G15 4.6 33.5 1.0 C8 B:G15 4.7 33.3 1.0 N7 B:G16 4.7 32.7 1.0 O6 B:G16 4.8 31.8 1.0 O2' A:U6 4.8 47.9 1.0 C6 B:G15 4.8 37.1 1.0 OP1 A:U7 5.0 48.0 1.0

J.Deng, Y.Xiong, C.Sudarsanakumar, K.Shi, M.Sundaralingam. Crystal Structures of Two Forms of A 14-Mer Rna/Dna Chimer Duplex with Double Uu Bulges: A Novel Intramolecular U*(A X U) Base Triple. Rna V. 7 1425 2001.
ISSN: ISSN 1355-8382
PubMed: 11680847