Magnesium in PDB 7tpo: Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn)

Enzymatic activity of Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn)

All present enzymatic activity of Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn):
1.18.6.1;

Protein crystallography data

The structure of Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn), PDB code: 7tpo was solved by T.M.Buscagan, J.T.Kaiser, D.C.Rees, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	39.16 / 1.35
*Space group*	P 2 2₁ 2₁
*Cell size a, b, c (Å), α, β, γ (°)*	45.883, 74.757, 75.144, 90, 90, 90
*R / R_free (%)*	17.9 / 20.3

Other elements in 7tpo:

The structure of Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn) also contains other interesting chemical elements:

Iron

(Fe)

4 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn) (pdb code 7tpo). 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 Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn), PDB code: 7tpo:

Magnesium binding site 1 out of 1 in 7tpo

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Magnesium Binding Sites List in 7tpo

Magnesium binding site 1 out of 1 in the Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn)

Mono view

Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Selenium-Incorporated Nitrogenase Fe-Protein (AV2-Se) From A. Vinelandii (1 Mm Ksecn) within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Mg303 b:11.9 occ:1.00	OG	A:SER16	2.1	11.9	1.0
	O	A:HOH445	2.1	13.4	1.0
	O2B	A:ADP304	2.1	11.9	1.0
	O	A:HOH446	2.1	14.7	1.0
	O	A:HOH468	2.1	13.6	1.0
	O	A:HOH472	2.1	13.6	1.0
	CB	A:SER16	3.1	10.7	1.0
	PB	A:ADP304	3.3	11.5	1.0
	O1B	A:ADP304	3.6	12.9	1.0
	OD2	A:ASP39	3.8	17.5	1.0
	N	A:SER16	3.9	10.8	1.0
	OD1	A:ASP43	4.0	19.5	1.0
	CA	A:SER16	4.1	10.3	1.0
	OD2	A:ASP125	4.1	15.4	1.0
	O1A	A:ADP304	4.1	13.9	1.0
	OG	A:SER44	4.2	16.4	1.0
	OD1	A:ASP125	4.3	13.2	1.0
	O3A	A:ADP304	4.3	11.8	1.0
	O3B	A:ADP304	4.4	11.4	1.0
	CG	A:ASP39	4.5	15.1	1.0
	PA	A:ADP304	4.6	12.8	1.0
	CG	A:ASP125	4.6	15.3	1.0
	O	A:HOH511	4.7	21.9	1.0
	O2A	A:ADP304	4.7	13.3	1.0
	CB	A:LYS15	4.8	10.8	1.0
	CB	A:ASP39	4.9	15.1	1.0
	CE	A:LYS15	5.0	14.0	1.0
	C	A:LYS15	5.0	10.8	1.0

Reference:

T.M.Buscagan, J.T.Kaiser, D.C.Rees. Selenocyanate Derived Se-Incorporation Into the Nitrogenase Fe Protein Cluster. Elife V. 11 2022.
ISSN: ESSN 2050-084X
PubMed: 35904245
DOI: 10.7554/ELIFE.79311

Page generated: Thu Oct 3 09:23:34 2024

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