Chlorine in PDB 3qgn: The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold

Enzymatic activity of The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold

All present enzymatic activity of The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold:
3.4.21.5;

Protein crystallography data

The structure of The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold, PDB code: 3qgn was solved by W.Niu, D.Gohara, Z.Chen, E.Di Cera, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	31.00 / 2.10
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	122.179, 47.980, 52.011, 90.00, 94.31, 90.00
*R / R_free (%)*	18.9 / 24

Other elements in 3qgn:

The structure of The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold also contains other interesting chemical elements:

Iodine

(I)

6 atoms

Chlorine Binding Sites:

The binding sites of Chlorine atom in the The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold (pdb code 3qgn). 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 The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold, PDB code: 3qgn:

Chlorine binding site 1 out of 1 in 3qgn

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Chlorine Binding Sites List in 3qgn

Chlorine binding site 1 out of 1 in the The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold

Mono view

Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of The Allosteric E*-E Equilibrium Is A Key Property of the Trypsin Fold within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Cl407 b:31.9 occ:1.00	NE2	B:HIS91	3.5	31.3	1.0
	CB	B:TRP237	3.7	31.3	1.0
	O	B:HOH341	3.9	43.5	1.0
	N	B:TRP237	3.9	33.0	1.0
	O	B:HOH352	3.9	50.9	1.0
	CD2	B:LEU234	3.9	36.6	1.0
	CA	B:LEU234	4.0	30.7	1.0
	O	B:ARG233	4.1	35.1	1.0
	O	B:LEU234	4.2	29.3	1.0
	C	B:LEU234	4.3	29.8	1.0
	CA	B:TRP237	4.4	32.4	1.0
	CB	B:LYS236	4.4	40.0	1.0
	CD2	B:HIS91	4.4	29.4	1.0
	CE1	B:HIS91	4.5	31.4	1.0
	CB	B:LEU234	4.6	29.0	1.0
	O	B:HOH306	4.7	53.8	1.0
	C	B:LYS236	4.8	35.3	1.0
	N	B:LYS236	4.9	34.2	1.0
	CG	B:LEU234	4.9	30.3	1.0
	CG	B:TRP237	4.9	31.4	1.0
	CA	B:LYS236	4.9	36.7	1.0
	C	B:ARG233	5.0	33.6	1.0
	N	B:LEU234	5.0	30.9	1.0

Reference:

W.Niu, Z.Chen, P.S.Gandhi, A.D.Vogt, N.Pozzi, L.A.Pelc, F.Zapata, E.Di Cera. Crystallographic and Kinetic Evidence of Allostery in A Trypsin-Like Protease. Biochemistry V. 50 6301 2011.
ISSN: ISSN 0006-2960
PubMed: 21707111
DOI: 10.1021/BI200878C

Page generated: Fri Jul 11 09:24:20 2025

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