Magnesium in PDB 6exn: Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked

All present enzymatic activity of Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked:
2.3.2.27; 3.6.4.13;

The structure of Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked also contains other interesting chemical elements:

Zinc

(Zn)

7 atoms

The binding sites of Magnesium atom in the Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked (pdb code 6exn). 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 Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked, PDB code: 6exn:

Magnesium binding site 1 out of 1 in the Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Post-Catalytic P Complex Spliceosome with 3' Splice Site Docked within 5.0Å range: probe atom residue distance (Å) B Occ 6:Mg201 b:54.4 occ:1.00 OP1 6:U80 2.0 57.5 1.0 O3' I:G95 2.0 63.4 1.0 OP1 6:A59 2.1 55.1 1.0 O2' I:G95 2.4 63.4 1.0 OP2 6:G60 2.6 53.1 1.0 C3' I:G95 2.8 63.4 1.0 P 6:U80 2.8 57.5 1.0 OP2 6:U80 2.9 57.5 1.0 OP1 E:A1 2.9 57.6 1.0 C2' I:G95 3.1 63.4 1.0 P 6:G60 3.4 53.1 1.0 OP1 6:G60 3.5 53.1 1.0 P 6:A59 3.5 55.1 1.0 O5' 6:U80 4.0 57.5 1.0 O3' 6:A79 4.0 58.6 1.0 C1' I:G95 4.1 63.4 1.0 O5' 6:A59 4.2 55.1 1.0 C4' I:G95 4.2 63.4 1.0 OP2 6:A59 4.3 55.1 1.0 N1 6:A51 4.3 63.5 1.0 P E:A1 4.4 57.6 1.0 O5' 6:G60 4.4 53.1 1.0 C5' 6:A59 4.5 55.1 1.0 C2 6:A51 4.6 63.5 1.0 O3' 6:C58 4.6 59.8 1.0 O3' 6:A59 4.7 55.1 1.0 O4' I:G95 4.8 63.4 1.0 C5' E:A1 4.8 57.6 1.0 C3' 6:A79 4.9 58.6 1.0 C4' 6:A79 4.9 58.6 1.0

M.E.Wilkinson, S.M.Fica, W.P.Galej, C.M.Norman, A.J.Newman, K.Nagai. Postcatalytic Spliceosome Structure Reveals Mechanism of 3'-Splice Site Selection. Science V. 358 1283 2017.
ISSN: ESSN 1095-9203
PubMed: 29146871
DOI: 10.1126/SCIENCE.AAR3729