Sodium in PDB 2cll: Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9)

Enzymatic activity of Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9)

All present enzymatic activity of Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9):
4.2.1.20;

Protein crystallography data

The structure of Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9), PDB code: 2cll was solved by H.Ngo, N.Kimmich, R.Harris, D.Niks, L.Blumenstein, V.Kulik, T.R.Barends, I.Schlichting, M.F.Dunn, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	19.36 / 1.6
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	182.530, 59.770, 67.340, 90.00, 94.66, 90.00
*R / R_free (%)*	21.7 / 24.5

Other elements in 2cll:

The structure of Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9) also contains other interesting chemical elements:

Fluorine

(F)

3 atoms

Sodium Binding Sites:

The binding sites of Sodium atom in the Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9) (pdb code 2cll). 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 Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9), PDB code: 2cll:

Sodium binding site 1 out of 1 in 2cll

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Sodium Binding Sites List in 2cll

Sodium binding site 1 out of 1 in the Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9)

Mono view

Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Tryptophan Synthase (External Aldimine State) in Complex with N-(4'-Trifluoromethoxybenzenesulfonyl)-2-Amino-1- Ethylphosphate (F9) within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Na1396 b:14.2 occ:1.00	O	B:GLY232	2.3	12.6	1.0
	O	B:SER308	2.3	10.6	1.0
	O	B:HOH2300	2.4	21.3	1.0
	O	B:HOH2257	2.4	13.2	1.0
	O	B:PHE306	2.4	23.9	1.0
	C	B:GLY232	3.4	11.9	1.0
	C	B:SER308	3.5	11.7	1.0
	C	B:PHE306	3.6	22.4	1.0
	CG	B:PRO270	3.9	10.5	1.0
	N	B:SER308	4.0	17.6	1.0
	CA	B:GLY232	4.0	11.4	1.0
	CD	B:PRO270	4.0	9.6	1.0
	O	B:GLY268	4.1	10.4	1.0
	CB	B:PHE306	4.2	22.0	1.0
	OG	B:SER297	4.4	23.5	1.0
	O	B:VAL231	4.4	9.9	1.0
	CA	B:PHE306	4.4	22.2	1.0
	CA	B:SER308	4.4	14.3	1.0
	N	B:VAL309	4.4	11.5	1.0
	N	B:GLY233	4.5	11.2	1.0
	C	B:PRO307	4.5	19.4	1.0
	CA	B:VAL309	4.5	9.9	1.0
	CD2	B:PHE306	4.5	19.6	1.0
	N	B:PHE306	4.6	21.9	1.0
	N	B:PRO307	4.6	22.2	1.0
	CB	B:VAL309	4.6	11.0	1.0
	O	B:LEU304	4.7	13.0	1.0
	CA	B:PRO307	4.7	21.1	1.0
	OE2	B:GLU256	4.8	11.9	1.0
	CA	B:GLY233	4.8	10.4	1.0
	N	B:GLY232	4.9	9.3	1.0
	CG	B:PHE306	4.9	21.4	1.0
	C	B:VAL231	5.0	9.9	1.0
	C	B:GLY268	5.0	9.4	1.0

Reference:

H.Ngo, N.Kimmich, R.Harris, D.Niks, L.Blumenstein, V.Kulik, T.R.Barends, I.Schlichting, M.F.Dunn. Allosteric Regulation of Substrate Channeling in Tryptophan Synthase: Modulation of the L-Serine Reaction in Stage I of the Beta-Reaction By Alpha- Site Ligands. Biochemistry V. 46 7740 2007.
ISSN: ISSN 0006-2960
PubMed: 17559232
DOI: 10.1021/BI7003872

Page generated: Mon Oct 7 02:09:45 2024

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