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Magnesium in PDB 9ei1: Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide

Enzymatic activity of Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide

All present enzymatic activity of Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide:
2.7.7.6; 5.6.2.4;

Other elements in 9ei1:

The structure of Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide also contains other interesting chemical elements:

Zinc (Zn) 8 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide (pdb code 9ei1). 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 Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide, PDB code: 9ei1:

Magnesium binding site 1 out of 1 in 9ei1

Go back to Magnesium Binding Sites List in 9ei1
Magnesium binding site 1 out of 1 in the Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Cryo-Em Structure of Human Rna Polymerase II Elongation Complex Bound to the RECQL5 Helicase in the Absence of Nucleotide within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg2003

b:48.7
occ:1.00
O3' P:C20 2.0 30.8 1.0
OD1 A:ASP495 2.0 60.9 1.0
CG A:ASP495 2.4 57.8 1.0
OD2 A:ASP495 2.4 56.4 1.0
OD1 A:ASP497 2.5 52.3 1.0
CG A:ASP497 3.2 47.5 1.0
C3' P:C20 3.3 34.4 1.0
OD2 A:ASP497 3.3 50.6 1.0
OD1 A:ASP499 3.5 51.6 1.0
CB A:ASP495 3.7 51.3 1.0
O A:ASP495 3.7 61.0 1.0
C4' P:C20 3.9 33.6 1.0
CG A:ASP499 4.0 50.0 1.0
O A:ASP497 4.0 53.7 1.0
OD2 A:ASP499 4.1 56.6 1.0
C5' P:C20 4.2 34.1 1.0
C A:ASP495 4.3 51.9 1.0
O2' P:C20 4.4 54.1 1.0
C2' P:C20 4.4 43.4 1.0
CA A:ASP495 4.4 45.7 1.0
N A:ASP495 4.5 49.0 1.0
CB A:ASP497 4.6 40.9 1.0
N A:ASP497 4.7 45.0 1.0
O5' P:C20 4.8 38.3 1.0
C A:ASP497 4.8 49.0 1.0
CA A:ASP497 5.0 41.0 1.0

Reference:

A.J.F.Ariza, N.Z.Lue, P.Grob, B.Kaeser, J.Fang, S.A.Kassube, E.Nogales. Structural Insights Into Transcriptional Regulation By the Helicase RECQL5. Biorxiv 2025.
ISSN: ISSN 2692-8205
PubMed: 39975028
DOI: 10.1101/2025.01.29.634372
Page generated: Sat Aug 16 01:00:23 2025

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