Magnesium in PDB 1r89: Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes

Enzymatic activity of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes

All present enzymatic activity of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes:
2.7.7.25;

Protein crystallography data

The structure of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes, PDB code: 1r89 was solved by Y.Xiong, F.Li, J.Wang, A.M.Weiner, T.A.Steitz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	38.63 / 1.80
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	86.151, 79.954, 78.145, 90.00, 97.53, 90.00
*R / R_free (%)*	18.5 / 22.6

Other elements in 1r89:

The structure of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes also contains other interesting chemical elements:

Manganese	(Mn)	3 atoms
Chlorine	(Cl)	1 atom
Sodium	(Na)	1 atom

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes (pdb code 1r89). 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 Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes, PDB code: 1r89:

Magnesium binding site 1 out of 1 in 1r89

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Magnesium Binding Sites List in 1r89

Magnesium binding site 1 out of 1 in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes

Mono view

Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Mg750 b:61.5 occ:1.00	O	A:HOH602	1.8	32.6	0.5
	OD1	A:ASP61	1.9	30.4	1.0
	OD2	A:ASP110	2.8	37.5	1.0
	CG	A:ASP61	2.9	31.8	1.0
	O	A:HOH697	3.1	88.7	1.0
	O1A	A:CTP501	3.2	39.9	1.0
	OD2	A:ASP61	3.3	27.6	1.0
	MN	A:MN600	3.3	40.4	1.0
	OE1	A:GLU59	3.6	49.1	1.0
	CD	A:GLU59	3.8	47.7	1.0
	CG	A:ASP110	3.9	34.7	1.0
	CG	A:GLU59	4.0	40.9	1.0
	CB	A:ASP61	4.2	30.6	1.0
	CB	A:ASP110	4.3	31.3	1.0
	OE2	A:GLU59	4.4	53.1	1.0
	PA	A:CTP501	4.6	45.1	1.0
	CA	A:ASP61	4.8	29.1	1.0
	O	A:ILE60	4.8	29.0	1.0
	O3G	A:CTP501	4.8	41.0	1.0
	OD1	A:ASP110	4.9	30.1	1.0
	CB	A:GLU59	4.9	33.4	1.0

Reference:

Y.Xiong, F.Li, J.Wang, A.M.Weiner, T.A.Steitz. Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes Mol.Cell V. 12 1165 2003.
ISSN: ISSN 1097-2765
PubMed: 14636575
DOI: 10.1016/S1097-2765(03)00440-4

Page generated: Tue Aug 13 12:05:09 2024

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