Zinc in PDB 1s38: Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One

All present enzymatic activity of Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One:
2.4.2.29;

The structure of Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One, PDB code: 1s38 was solved by E.A.Meyer, M.Furler, F.Diederich, R.Brenk, G.Klebe, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.81
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	90.600, 65.480, 70.430, 90.00, 96.53, 90.00
R / Rfree (%)	19.7 / 22.2

The binding sites of Zinc atom in the Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One (pdb code 1s38). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One, PDB code: 1s38:

Zinc binding site 1 out of 1 in the Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of Tgt in Complex with 2-Amino-8-Methylquinazolin- 4(3H)-One within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn400 b:18.9 occ:1.00 ND1 A:HIS349 2.1 16.6 1.0 SG A:CYS318 2.3 17.8 1.0 SG A:CYS320 2.3 16.8 1.0 SG A:CYS323 2.4 16.5 1.0 CE1 A:HIS349 2.9 19.7 1.0 CG A:HIS349 3.3 15.9 1.0 CB A:CYS318 3.3 21.9 1.0 CB A:CYS320 3.3 19.2 1.0 CB A:CYS323 3.4 16.3 1.0 CB A:HIS349 3.7 17.2 1.0 N A:CYS323 4.0 18.4 1.0 CA A:HIS349 4.1 15.4 1.0 N A:CYS320 4.1 21.4 1.0 NE2 A:HIS349 4.1 17.8 1.0 CA A:CYS320 4.2 19.1 1.0 CA A:CYS323 4.3 18.5 1.0 CD2 A:HIS349 4.3 17.7 1.0 O A:HIS349 4.5 15.0 1.0 CA A:CYS318 4.6 23.4 1.0 O A:CYS320 4.7 16.9 1.0 C A:CYS318 4.7 23.2 1.0 C A:CYS320 4.7 19.6 1.0 C A:HIS349 4.7 15.3 1.0 CB A:VAL322 4.8 17.7 1.0 O A:CYS318 4.8 22.9 1.0 CB A:LEU314 5.0 20.7 1.0

E.A.Meyer, M.Furler, F.Diederich, R.Brenk, G.Klebe. Synthesis and in Vitro Evaluation of 2-Aminoquinazolin-4(3H)-One-Based Inhibitors For Trna-Guanine Transglycosylase (Tgt) Helv.Chim.Acta V. 87 1333 2004.
ISSN: ISSN 0018-019X