Magnesium in PDB 3cgs: X-Ray Structure Containing the Pseudouridylated U2 Snrna and Mammalian Intron Branch Site Consensus Sequences

The structure of X-Ray Structure Containing the Pseudouridylated U2 Snrna and Mammalian Intron Branch Site Consensus Sequences, PDB code: 3cgs was solved by Y.Lin, C.L.Kielkopf, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.65
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	31.190, 38.280, 32.080, 90.00, 108.23, 90.00
R / Rfree (%)	22.7 / 25.2

The binding sites of Magnesium atom in the X-Ray Structure Containing the Pseudouridylated U2 Snrna and Mammalian Intron Branch Site Consensus Sequences (pdb code 3cgs). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the X-Ray Structure Containing the Pseudouridylated U2 Snrna and Mammalian Intron Branch Site Consensus Sequences, PDB code: 3cgs:

Magnesium binding site 1 out of 1 in the X-Ray Structure Containing the Pseudouridylated U2 Snrna and Mammalian Intron Branch Site Consensus Sequences


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of X-Ray Structure Containing the Pseudouridylated U2 Snrna and Mammalian Intron Branch Site Consensus Sequences within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1 b:28.6 occ:1.00 O B:HOH28 2.0 29.6 1.0 O B:HOH29 2.1 28.7 1.0 O B:HOH26 2.1 26.3 1.0 O A:HOH14 2.2 22.7 1.0 O A:HOH13 2.2 31.0 1.0 O B:HOH27 2.3 25.8 1.0 O4 B:U19 4.0 33.0 1.0 O B:HOH54 4.1 50.6 1.0 O B:HOH70 4.1 57.0 1.0 O A:HOH18 4.2 22.2 1.0 O6 B:G20 4.3 26.1 1.0 N7 B:G20 4.4 29.3 1.0 O B:HOH50 4.5 39.4 1.0 O A:HOH43 4.5 33.4 1.0 C4 B:U19 4.5 32.1 1.0 O6 A:G5 4.5 23.7 1.0 O A:HOH40 4.5 34.2 1.0 N4 A:C4 4.6 19.2 1.0 O A:HOH36 4.6 31.3 1.0 O B:HOH53 4.6 39.8 1.0 C5 B:U19 4.7 29.9 1.0 O B:HOH34 4.9 49.9 1.0 O2 A:PSU6 4.9 24.3 1.0 N4 B:C22 5.0 27.4 1.0 C6 B:G20 5.0 28.7 1.0

Y.Lin, C.L.Kielkopf. X-Ray Structures of U2 Snrna-Branchpoint Duplexes Containing Conserved Pseudouridines. Biochemistry V. 47 5503 2008.
ISSN: ISSN 0006-2960
PubMed: 18435545
DOI: 10.1021/BI7022392