Chlorine in PDB 6eza: Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant

The structure of Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant, PDB code: 6eza was solved by C.Bou-Nader, D.Bregeon, L.Pecqueur, G.Vincent, M.Fontecave, D.Hamdane, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	38.55 / 2.00
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	55.470, 77.110, 84.480, 90.00, 91.99, 90.00
R / Rfree (%)	19.1 / 22.7

The binding sites of Chlorine atom in the Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant (pdb code 6eza). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant, PDB code: 6eza:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant


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 Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl405 b:39.7 occ:1.00 O A:HOH573 2.9 38.2 1.0 NE A:ARG157 3.2 41.9 1.0 ND1 A:HIS183 3.3 30.8 1.0 NZ A:LYS155 3.3 23.7 1.0 O A:GLY115 3.5 43.6 1.0 NH2 A:ARG157 3.6 31.7 1.0 C A:GLY115 3.8 43.1 1.0 O3' A:FMN401 3.8 26.0 1.0 CZ A:ARG157 3.8 46.4 1.0 C1' A:FMN401 3.9 27.3 1.0 CE1 A:HIS183 4.1 30.6 1.0 CG A:ARG157 4.2 27.7 1.0 CD A:ARG157 4.3 35.4 1.0 N1 A:FMN401 4.3 23.2 1.0 CA A:GLY115 4.3 33.8 1.0 N A:CYS116 4.4 44.1 1.0 CG A:HIS183 4.4 29.2 1.0 O A:HOH590 4.5 26.4 1.0 CD A:PRO117 4.5 50.7 1.0 O A:HOH661 4.5 54.9 1.0 CB A:HIS183 4.6 25.6 1.0 CE A:LYS155 4.7 22.9 1.0 CA A:CYS116 4.7 46.7 1.0 N10 A:FMN401 4.7 25.1 1.0 C3' A:FMN401 4.8 24.7 1.0 C10 A:FMN401 4.9 20.7 1.0 C2' A:FMN401 4.9 25.8 1.0

Chlorine binding site 2 out of 2 in the Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Crystal Structure of Human Trna-Dihydrouridine(20) Synthase Catalytic Domain E294K Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl407 b:72.0 occ:1.00 O A:HOH533 3.0 43.9 1.0 NE A:ARG308 3.1 59.8 1.0 NH2 A:ARG308 3.4 64.8 1.0 O A:HOH674 3.4 51.2 1.0 CZ A:ARG308 3.6 79.9 1.0 O A:HOH514 3.9 30.2 1.0 CD A:ARG308 4.1 41.6 1.0 CB A:ARG308 4.4 25.1 1.0 OG A:SER306 4.8 38.5 1.0 CG A:ARG308 4.9 36.0 1.0 OH A:TYR320 4.9 37.5 1.0 NH1 A:ARG308 4.9 73.6 1.0

C.Bou-Nader, D.Bregeon, L.Pecqueur, M.Fontecave, D.Hamdane. Electrostatic Potential in the Trna Binding Evolution of Dihydrouridine Synthases. Biochemistry V. 57 5407 2018.
ISSN: ISSN 1520-4995
PubMed: 30149704
DOI: 10.1021/ACS.BIOCHEM.8B00584