Chlorine in PDB 8p55: Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132.

Enzymatic activity of Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132.

All present enzymatic activity of Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132.:
3.4.22.69;

Protein crystallography data

The structure of Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132., PDB code: 8p55 was solved by E.Costanzi, N.Demitri, P.Storici, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	41.19 / 1.85
*Space group*	P 2₁ 2₁ 2₁
*Cell size a, b, c (Å), α, β, γ (°)*	67.63, 100.704, 103.877, 90, 90, 90
*R / R_free (%)*	16.6 / 20.1

Other elements in 8p55:

The structure of Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132. also contains other interesting chemical elements:

Sodium

(Na)

2 atoms

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132. (pdb code 8p55). 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 the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132., PDB code: 8p55:

Chlorine binding site 1 out of 1 in 8p55

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Chlorine Binding Sites List in 8p55

Chlorine binding site 1 out of 1 in the Crystal Structure of the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132.

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 the Main Protease (3CLPRO/Mpro) of Sars-Cov-2 Obtained in Presence of 75 Micromolar Mg-132. within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Cl403 b:20.1 occ:1.00	H	B:THR224	2.6	29.7	1.0
	HA	B:PHE223	2.9	32.1	1.0
	HD1	B:PHE223	3.0	31.2	1.0
	HB3	B:PHE223	3.3	30.2	1.0
	N	B:THR224	3.5	24.9	1.0
	CA	B:PHE223	3.7	26.7	1.0
	O	B:THR224	3.7	31.1	1.0
	CD1	B:PHE223	3.9	26.1	1.0
	CB	B:PHE223	3.9	25.2	1.0
	C	B:PHE223	4.1	28.9	1.0
	HB	B:THR224	4.3	44.5	1.0
	CG	B:PHE223	4.4	24.9	1.0
	CA	B:THR224	4.4	28.8	1.0
	C	B:THR224	4.5	30.6	1.0
	O	B:ARG222	4.8	25.6	1.0
	HB2	B:PHE223	4.8	30.2	1.0
	CB	B:THR224	4.8	37.1	1.0
	N	B:PHE223	4.9	24.1	1.0
	CE1	B:PHE223	5.0	27.2	1.0
	HE1	B:PHE223	5.0	32.6	1.0

Reference:

S.Albani, E.Costanzi, G.L.Hoang, M.Kuzikov, M.Frings, N.Ansari, N.Demitri, T.T.Nguyen, V.Rizzi, J.B.Schulz, C.Bolm, A.Zaliani, P.Carloni, P.Storici, G.Rossetti. Unexpected Single-Ligand Occupancy and Negative Cooperativity in the Sars-Cov-2 Main Protease. J.Chem.Inf.Model. V. 64 892 2024.
ISSN: ESSN 1549-960X
PubMed: 38051605
DOI: 10.1021/ACS.JCIM.3C01497

Page generated: Sun Jul 13 13:02:59 2025

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