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Zinc in PDB 4q8t: Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One

Enzymatic activity of Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One

All present enzymatic activity of Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One:
2.4.2.29;

Protein crystallography data

The structure of Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One, PDB code: 4q8t was solved by M.Neeb, A.Heine, G.Klebe, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.82 / 1.40
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 90.233, 64.635, 70.964, 90.00, 93.16, 90.00
R / Rfree (%) 13.8 / 15.4

Other elements in 4q8t:

The structure of Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Zinc Binding Sites:

The binding sites of Zinc atom in the Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One (pdb code 4q8t). 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 Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One, PDB code: 4q8t:

Zinc binding site 1 out of 1 in 4q8t

Go back to Zinc Binding Sites List in 4q8t
Zinc binding site 1 out of 1 in the Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Trna-Guanine Transglycosylase (Tgt) in Complex with 6-Amino-2-[(2- Phenylethyl)Amino]-1H,7H,8H-Imidazo[4,5-G]Quinazolin-8-One within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn401

b:15.6
occ:1.00
 ND1 A:HIS349 2.1 13.8 1.0
SG A:CYS323 2.3 16.5 1.0
SG A:CYS320 2.3 15.2 1.0
SG A:CYS318 2.3 18.3 1.0
CE1 A:HIS349 2.9 15.5 1.0
CG A:HIS349 3.2 13.0 1.0
CB A:CYS318 3.3 18.8 1.0
CB A:CYS323 3.3 15.8 1.0
CB A:CYS320 3.4 15.4 1.0
CB A:HIS349 3.7 12.9 1.0
N A:CYS323 3.9 15.2 1.0
CA A:HIS349 4.1 12.8 1.0
NE2 A:HIS349 4.1 15.5 1.0
N A:CYS320 4.1 17.8 1.0
CA A:CYS323 4.2 16.1 1.0
CA A:CYS320 4.2 16.2 1.0
CD2 A:HIS349 4.3 14.4 1.0
O A:HIS349 4.5 13.3 1.0
CA A:CYS318 4.6 19.7 1.0
O A:CYS320 4.7 16.8 1.0
C A:CYS318 4.7 19.7 1.0
C A:CYS320 4.7 15.9 1.0
C A:HIS349 4.8 12.4 1.0
CB A:VAL322 4.8 15.1 1.0
O A:CYS318 4.8 20.2 1.0
C A:VAL322 4.9 15.6 1.0

Reference:

M.Neeb, C.Hohn, A.Heine, F.Diederich, G.Klebe. Addressing A New Subpocket of Tgt By Elongated 2-Amino-Lin-Benzoguanines To Be Published.
Page generated: Sun Oct 27 06:22:33 2024

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