Chlorine in PDB 7cwa: Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine

Enzymatic activity of Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine

All present enzymatic activity of Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine:
3.1.4.53;

Protein crystallography data

The structure of Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine, PDB code: 7cwa was solved by Y.Huang, X.-N.Wu, Q.Zhou, Y.Wu, H.-B.Luo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	24.26 / 2.80
*Space group*	C 2 2 2₁
*Cell size a, b, c (Å), α, β, γ (°)*	76.261, 132.246, 101.916, 90, 90, 90
*R / R_free (%)*	28.9 / 33.3

Other elements in 7cwa:

The structure of Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Zinc	(Zn)	1 atom
Fluorine	(F)	1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine (pdb code 7cwa). 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 PDE8A Catalytic Domain in Complex with Clofarabine, PDB code: 7cwa:

Chlorine binding site 1 out of 1 in 7cwa

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Chlorine Binding Sites List in 7cwa

Chlorine binding site 1 out of 1 in the Crystal Structure of PDE8A Catalytic Domain in Complex with Clofarabine

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 PDE8A Catalytic Domain in Complex with Clofarabine within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Cl903 b:35.0 occ:1.00	CL	A:CFB903	0.0	35.0	1.0
	C2	A:CFB903	1.7	34.2	1.0
	N3	A:CFB903	2.6	34.1	1.0
	N1	A:CFB903	2.6	34.1	1.0
	CE2	A:TYR748	3.7	38.2	1.0
	CD1	A:PHE781	3.8	31.2	1.0
	C4	A:CFB903	3.8	33.8	1.0
	C6	A:CFB903	3.9	33.9	1.0
	CG	A:PHE781	3.9	31.2	1.0
	CB	A:PHE781	3.9	31.2	1.0
	OH	A:TYR748	4.0	38.0	1.0
	CZ	A:PHE767	4.0	49.6	1.0
	CE2	A:PHE767	4.0	49.5	1.0
	CZ	A:TYR748	4.3	38.3	1.0
	C5	A:CFB903	4.4	33.7	1.0
	CE1	A:PHE781	4.5	31.2	1.0
	CD2	A:PHE781	4.6	31.0	1.0
	NE2	A:GLN778	4.6	31.5	1.0
	CD2	A:TYR748	4.8	38.2	1.0
	N6	A:CFB903	4.9	34.1	1.0
	O	A:SER777	4.9	32.6	1.0
	CE1	A:PHE767	5.0	49.4	1.0
	CD2	A:PHE767	5.0	49.1	1.0
	CG2	A:ILE744	5.0	33.4	1.0

Reference:

Y.Huang, X.Wu, Q.Zhou, H.-B.Luo. Discovery of Highly Selective and Orally Bioavailable Phosphodiesterase-8A Inhibitors. Structure-Activity Relationship, Crystal Structures, and in Vivo Studies To Be Published.

Page generated: Sat Jul 12 23:54:11 2025

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