Chlorine in PDB 1q0n: Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution

Enzymatic activity of Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution

All present enzymatic activity of Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution:
2.7.6.3;

Protein crystallography data

The structure of Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution, PDB code: 1q0n was solved by J.Blaszczyk, X.Ji, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	30.00 / 1.25
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	73.591, 37.743, 57.909, 90.00, 116.94, 90.00
*R / R_free (%)*	11.5 / 14.7

Other elements in 1q0n:

The structure of Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution (pdb code 1q0n). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution, PDB code: 1q0n:

Chlorine binding site 1 out of 1 in 1q0n

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Chlorine Binding Sites List in 1q0n

Chlorine binding site 1 out of 1 in the Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution

Mono view

Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of A Ternary Complex of 6-Hydroxymethyl-7, 8-Dihydropterin Pyrophosphokinase From E. Coli with Mgampcpp and 6-Hydroxymethyl-7,8-Dihydropterin at 1.25 Angstrom Resolution within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Cl163 b:17.4 occ:1.00	O	A:HOH362	2.7	14.5	1.0
	N	A:ASP139	3.2	9.4	1.0
	CB	A:PHE137	3.5	8.9	1.0
	CB	A:ASP139	3.5	11.6	1.0
	CD	A:PRO138	3.5	7.5	1.0
	OD1	A:ASP139	3.5	11.2	1.0
	CG	A:ASP139	3.6	11.7	1.0
	N	A:PRO138	3.7	7.4	1.0
	O	A:HOH448	3.7	16.7	1.0
	CG	A:PRO114	3.8	7.1	1.0
	CA	A:ASP139	3.9	10.7	1.0
	CD2	A:PHE137	3.9	10.8	1.0
	CE	A:LYS119	4.0	17.1	0.5
	NZ	A:LYS119	4.0	26.4	0.5
	CB	A:PRO138	4.0	8.4	1.0
	C	A:PRO138	4.1	8.3	1.0
	CA	A:PRO138	4.2	8.4	1.0
	CG	A:PHE137	4.2	8.5	1.0
	CG	A:PRO138	4.2	7.8	1.0
	C	A:PHE137	4.2	7.1	1.0
	OD2	A:ASP139	4.3	11.4	1.0
	CA	A:PHE137	4.4	7.8	1.0
	CD	A:PRO114	4.7	7.1	1.0
	CB	A:PRO114	4.7	7.0	1.0
	O	A:PHE137	5.0	7.6	1.0

Reference:

J.Blaszczyk, G.Shi, H.Yan, X.Ji. Catalytic Center Assembly of Hppk As Revealed By the Crystal Structure of A Ternary Complex at 1.25 A Resolution Structure V. 8 1049 2000.
ISSN: ISSN 0969-2126
PubMed: 11080626
DOI: 10.1016/S0969-2126(00)00502-5

Page generated: Thu Jul 10 18:55:08 2025

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