Magnesium in PDB 2ann: Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin

The structure of Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin, PDB code: 2ann was solved by L.Malinina, M.Teplova, K.Musunuru, A.Teplov, J.C.Darnell, S.K.Burley, R.B.Darnell, D.J.Patel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.30
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	155.304, 37.147, 34.825, 90.00, 94.42, 90.00
R / Rfree (%)	19.3 / 24.9

The structure of Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin also contains other interesting chemical elements:

Potassium

(K)

1 atom

The binding sites of Magnesium atom in the Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin (pdb code 2ann). 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 (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin, PDB code: 2ann:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg302 b:14.2 occ:0.50 O B:HOH307 2.5 25.4 1.0 O B:HOH305 2.5 15.4 1.0 O6 B:G7 2.5 26.5 1.0 O B:HOH309 2.6 28.7 1.0 O B:HOH306 2.8 13.8 1.0 K B:K301 3.1 20.4 0.5 C6 B:G7 3.7 23.1 1.0 N7 B:G6 4.1 19.9 1.0 N7 B:G7 4.2 22.1 1.0 OP2 B:G6 4.2 25.9 1.0 C5 B:G7 4.3 21.9 1.0 OP2 B:C17 4.4 23.1 1.0 OP2 B:C5 4.4 24.3 1.0 O B:HOH343 4.4 30.1 1.0 O B:HOH308 4.5 25.9 1.0 OP1 B:C17 4.8 26.7 1.0 O6 B:G6 4.8 14.6 1.0 N1 B:G7 4.8 21.9 1.0 C8 B:G6 4.9 19.3 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure (I) of Nova-1 KH1/KH2 Domain Tandem with 25 Nt Rna Hairpin within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg303 b:4.7 occ:0.50 O B:HOH314 2.1 22.0 1.0 O B:HOH310 2.2 17.3 1.0 O B:HOH313 2.3 15.3 1.0 O B:HOH312 2.4 23.9 1.0 O6 B:G6 2.4 14.6 1.0 O B:HOH311 2.7 16.3 1.0 C6 B:G6 3.3 19.0 1.0 N1 B:G6 3.4 19.0 1.0 K B:K301 3.7 20.4 0.5 OP2 B:A19 3.8 23.2 1.0 OP2 B:C18 3.8 26.6 1.0 O B:HOH308 4.1 25.9 1.0 O B:HOH304 4.2 11.2 1.0 O B:HOH344 4.2 35.2 1.0 N1 B:G7 4.3 21.9 1.0 N4 B:C5 4.3 14.1 1.0 O B:HOH338 4.3 21.9 1.0 OP1 B:C18 4.5 29.9 1.0 P B:C18 4.6 24.9 1.0 C5 B:G6 4.6 19.2 1.0 N2 B:G7 4.6 16.2 1.0 C2 B:G6 4.7 17.8 1.0 O B:HOH331 4.8 19.0 1.0 O5' B:C18 4.9 27.1 1.0 C2 B:G7 4.9 22.7 1.0

M.Teplova, L.Malinina, J.C.Darnell, J.Song, M.Lu, R.Abagyan, K.Musunuru, A.Teplov, S.K.Burley, R.B.Darnell, D.J.Patel. Protein-Rna and Protein-Protein Recognition By Dual KH1/2 Domains of the Neuronal Splicing Factor Nova-1. Structure V. 19 930 2011.
ISSN: ISSN 0969-2126
PubMed: 21742260
DOI: 10.1016/J.STR.2011.05.002