Potassium in PDB 7z2s: Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate

Enzymatic activity of Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate

All present enzymatic activity of Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate:
3.1.3.2; 3.1.3.26;

Protein crystallography data

The structure of Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate, PDB code: 7z2s was solved by I.M.Acquistapace, C.A.Brearley, A.M.Hemmings, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	38.36 / 1.72
*Space group*	P 1 2₁ 1
*Cell size a, b, c (Å), α, β, γ (°)*	63.65, 47.76, 65.55, 90, 100.82, 90
*R / R_free (%)*	15 / 20.6

Other elements in 7z2s:

The structure of Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate also contains other interesting chemical elements:

Nickel

(Ni)

1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate (pdb code 7z2s). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate, PDB code: 7z2s:

Potassium binding site 1 out of 1 in 7z2s

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Potassium Binding Sites List in 7z2s

Potassium binding site 1 out of 1 in the Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate

Mono view

Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Escherichia Coli Periplasmic Phytase Appa, Complex with Myo-Inositol Hexakissulfate within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:K503 b:16.9 occ:1.00	OD1	A:ASP154	2.2	20.4	1.0
	NE2	A:HIS158	2.4	33.2	1.0
	O	A:HOH615	2.4	31.0	1.0
	O	A:HOH890	2.5	38.3	1.0
	O	A:HOH887	2.5	39.3	1.0
	CG	A:ASP154	3.0	18.8	1.0
	CD2	A:HIS158	3.0	29.4	1.0
	OD2	A:ASP154	3.1	21.4	1.0
	CE1	A:HIS158	3.6	33.5	1.0
	O	A:HOH960	4.1	42.6	1.0
	O	A:GLY149	4.2	20.9	1.0
	CG	A:HIS158	4.3	28.0	1.0
	O	A:HOH673	4.4	37.8	1.0
	CA	A:GLY149	4.4	18.3	1.0
	CB	A:ASP154	4.4	18.7	1.0
	O	A:HOH713	4.5	28.0	1.0
	ND1	A:HIS158	4.5	32.1	1.0
	C	A:GLY149	4.8	20.0	1.0
	O	A:ASP154	4.9	19.1	1.0

Reference:

I.M.Acquistapace, E.J.Thompson, I.Kuhn, M.R.Bedford, C.A.Brearley, A.M.Hemmings. Insights to the Structural Basis For the Stereospecificity of the Escherichia Coli Phytase, Appa. Int J Mol Sci V. 23 2022.
ISSN: ESSN 1422-0067
PubMed: 35683026
DOI: 10.3390/IJMS23116346

Page generated: Mon Aug 12 21:45:06 2024

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