Chlorine in PDB 7xgl: Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form

The structure of Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form, PDB code: 7xgl was solved by Z.Zhou, X.Yang, T.Huang, X.Wang, R.Liang, J.Zheng, S.Dai, S.Lin, Z.Deng, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	37.73 / 2.11
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	120.046, 150.929, 55.181, 90, 90, 90
R / Rfree (%)	17.6 / 20.7

The binding sites of Chlorine atom in the Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form (pdb code 7xgl). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 3 binding sites of Chlorine where determined in the Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form, PDB code: 7xgl:
Jump to Chlorine binding site number: 1; 2; 3;

Chlorine binding site 1 out of 3 in the Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl406 b:60.0 occ:1.00 O A:HOH611 3.1 25.7 1.0 NE A:ARG166 3.7 22.0 1.0 NH2 A:ARG167 3.7 34.6 1.0 CD A:ARG166 4.1 20.7 1.0 NH1 A:ARG167 4.3 27.3 1.0 CZ A:ARG167 4.5 33.3 1.0 CZ A:ARG166 4.8 24.8 1.0 NH2 A:ARG166 4.9 28.6 1.0 CB A:ARG166 5.0 23.4 1.0

Chlorine binding site 2 out of 3 in the Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl407 b:65.3 occ:1.00 O A:HOH600 2.8 36.0 1.0 O A:HOH592 3.6 38.2 1.0 O A:HOH545 3.9 36.5 1.0 O A:HOH535 4.0 30.4 1.0 CB A:PRO209 4.1 24.8 1.0 O A:HOH637 4.2 39.3 1.0 O A:HOH588 4.3 31.1 1.0 NH1 A:ARG148 4.3 28.2 1.0 CB A:ALA180 4.5 23.3 1.0 CG A:PRO209 4.6 31.1 1.0 N A:ARG174 4.6 20.3 1.0 OE2 A:GLU230 4.8 31.8 1.0 CB A:ARG174 4.9 23.1 1.0 NH2 A:ARG148 4.9 28.6 1.0 CA A:ARG174 5.0 21.7 1.0 CZ A:ARG148 5.0 33.5 1.0

Chlorine binding site 3 out of 3 in the Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Quinolinate Phosphoribosyl Transferase (Qaprtase) From Streptomyces Pyridomyceticus Nrrl B-2517 in Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl407 b:48.4 occ:1.00 O B:HOH572 3.0 32.0 1.0 NE B:ARG166 3.4 28.4 1.0 NH2 B:ARG167 3.5 31.9 1.0 CD B:ARG166 4.0 22.6 1.0 NH1 B:ARG167 4.0 26.0 1.0 CZ B:ARG167 4.2 32.1 1.0 CZ B:ARG166 4.4 27.7 1.0 NH2 B:ARG166 4.5 23.9 1.0 CB B:ARG166 4.7 23.1 1.0 O B:HOH615 4.7 43.1 1.0 CG B:ARG166 5.0 23.8 1.0

Z.Zhou, X.Yang, T.Huang, J.Zheng, Z.Deng, S.Dai, S.Lin. Bifunctional Nadc Homologue Pyrz Catalyzes Nicotinic Acid Formation in Pyridomycin Biosynthesis. Acs Chem.Biol. V. 18 141 2023.
ISSN: ESSN 1554-8937
PubMed: 36517246
DOI: 10.1021/ACSCHEMBIO.2C00773