Magnesium in PDB 8fix: Cryo-Em Structure of E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch

Enzymatic activity of Cryo-Em Structure of E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch

All present enzymatic activity of Cryo-Em Structure of E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch:
2.7.7.6;

Other elements in 8fix:

The structure of Cryo-Em Structure of E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Cryo-Em Structure of E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch (pdb code 8fix). 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 E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch, PDB code: 8fix:

Magnesium binding site 1 out of 1 in 8fix

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Magnesium Binding Sites List in 8fix

Magnesium binding site 1 out of 1 in the Cryo-Em Structure of E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch

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 E. Coli Rna Polymerase Backtracked Elongation Complex Harboring A Terminal Mismatch within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
D:Mg1503 b:41.8 occ:1.00	OD1	D:ASP464	2.1	36.7	1.0
	OD2	D:ASP464	2.2	36.7	1.0
	OD1	D:ASP460	2.2	42.2	1.0
	CG	D:ASP464	2.3	36.7	1.0
	CG	D:ASP460	2.6	42.2	1.0
	OD2	D:ASP460	3.0	42.2	1.0
	N	D:ASP462	3.4	33.0	1.0
	CB	D:ASP462	3.4	33.0	1.0
	CB	D:ASP464	3.6	36.7	1.0
	CB	D:ASP460	3.7	42.2	1.0
	CA	D:ASP462	3.8	33.0	1.0
	CG	D:ASP462	4.0	33.0	1.0
	C	D:ASP462	4.0	33.0	1.0
	OD2	D:ASP462	4.1	33.0	1.0
	C	D:ASP460	4.2	42.2	1.0
	O	D:ASP462	4.2	33.0	1.0
	N	D:ASP464	4.2	36.7	1.0
	N	D:PHE461	4.3	34.8	1.0
	O3'	R:U9	4.3	74.7	1.0
	CA	D:ASP464	4.4	36.7	1.0
	CA	D:ASP460	4.4	42.2	1.0
	O	D:ASP460	4.5	42.2	1.0
	OP1	R:U10	4.5	83.3	1.0
	C	D:PHE461	4.5	34.8	1.0
	N	D:ASP460	4.7	42.2	1.0
	N	D:GLY463	4.7	34.9	1.0
	C4'	R:U9	4.8	74.7	1.0
	C5'	R:U9	4.8	74.7	1.0
	CA	D:PHE461	4.8	34.8	1.0
	OD1	D:ASP462	4.8	33.0	1.0

Reference:

L.M.Wee, A.B.Tong, A.J.Florez Ariza, C.Canari-Chumpitaz, P.Grob, E.Nogales, C.J.Bustamante. A Trailing Ribosome Speeds Up Rna Polymerase at the Expense of Transcript Fidelity Via Force and Allostery. Cell V. 186 1244 2023.
ISSN: ISSN 1097-4172
PubMed: 36931247
DOI: 10.1016/J.CELL.2023.02.008

Page generated: Fri Aug 15 04:51:04 2025

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