Sodium in PDB 1r8b: Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide

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

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

Protein crystallography data

The structure of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide, PDB code: 1r8b 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 / 2.00
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	86.402, 79.371, 78.135, 90.00, 97.33, 90.00
*R / R_free (%)*	18.1 / 22.8

Other elements in 1r8b:

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

Magnesium	(Mg)	2 atoms
Manganese	(Mn)	2 atoms
Chlorine	(Cl)	1 atom

Sodium Binding Sites:

The binding sites of Sodium atom in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide (pdb code 1r8b). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide, PDB code: 1r8b:

Sodium binding site 1 out of 1 in 1r8b

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Sodium Binding Sites List in 1r8b

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

Mono view

Stereo pair view

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

probe	atom	residue	distance (Å)	B	Occ
A:Na605 b:44.5 occ:1.00	O	A:HOH766	2.1	42.0	1.0
	OG1	A:THR395	2.3	13.8	1.0
	OG	A:SER391	2.6	13.0	1.0
	O	A:SER391	2.8	6.2	1.0
	CB	A:THR395	3.3	10.2	1.0
	C	A:SER391	3.4	8.9	1.0
	CA	A:SER391	3.5	9.5	1.0
	CB	A:SER391	3.6	11.7	1.0
	CG2	A:THR395	4.1	16.3	1.0
	O	A:HOH667	4.3	53.1	1.0
	N	A:THR395	4.3	10.2	1.0
	CA	A:THR395	4.4	11.2	1.0
	N	A:TYR392	4.5	10.6	1.0
	CB	A:SER394	4.6	11.1	1.0
	N	A:SER391	4.9	10.6	1.0
	C	A:SER394	5.0	10.9	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: Sun Oct 6 22:00:17 2024

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