Chlorine in PDB 7txo: Selenomethionine Labeled Structure of Rext

The structure of Selenomethionine Labeled Structure of Rext, PDB code: 7txo was solved by J.Bridwell-Rabb, B.Li, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.50 / 2.50
Space group	P 64
Cell size a, b, c (Å), α, β, γ (°)	100.46, 100.46, 36.048, 90, 90, 120
R / Rfree (%)	23 / 25.9

The binding sites of Chlorine atom in the Selenomethionine Labeled Structure of Rext (pdb code 7txo). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 4 binding sites of Chlorine where determined in the Selenomethionine Labeled Structure of Rext, PDB code: 7txo:
Jump to Chlorine binding site number: 1; 2; 3; 4;

Chlorine binding site 1 out of 4 in the Selenomethionine Labeled Structure of Rext


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Selenomethionine Labeled Structure of Rext within 5.0Å range:

Chlorine binding site 2 out of 4 in the Selenomethionine Labeled Structure of Rext


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Selenomethionine Labeled Structure of Rext within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl202 b:60.9 occ:1.00 N A:HIS75 3.4 48.7 1.0 CG A:GLN74 3.5 62.1 1.0 CA A:GLN74 3.6 58.5 1.0 CB A:GLN74 3.9 55.9 1.0 N A:ALA42 3.9 42.8 1.0 CB A:ALA42 4.0 44.8 1.0 C A:GLN74 4.0 52.6 1.0 O A:HIS75 4.0 45.2 1.0 N A:CYS41 4.0 37.0 1.0 CB A:CYS40 4.1 50.1 1.0 O A:THR73 4.1 76.6 1.0 SG A:CYS40 4.1 64.4 1.0 CB A:CYS41 4.4 41.6 1.0 CA A:HIS75 4.5 45.3 1.0 CD A:GLN74 4.5 64.8 1.0 CA A:ALA42 4.6 45.1 1.0 CA A:CYS41 4.6 41.6 1.0 C A:HIS75 4.6 43.9 1.0 N A:GLN74 4.7 56.8 1.0 CB A:HIS75 4.7 48.7 1.0 C A:CYS40 4.7 48.3 1.0 C A:CYS41 4.7 42.3 1.0 C A:THR73 4.8 66.5 1.0 CA A:CYS40 4.8 49.5 1.0 NE2 A:GLN74 4.9 63.9 1.0

Chlorine binding site 3 out of 4 in the Selenomethionine Labeled Structure of Rext


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Selenomethionine Labeled Structure of Rext within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl201 b:43.0 occ:1.00 N B:HIS75 3.3 46.5 1.0 N B:CYS41 3.7 44.6 1.0 N B:ALA42 3.7 45.7 1.0 CA B:GLN74 3.9 49.6 1.0 CB B:CYS40 3.9 47.6 1.0 CB B:CYS41 4.0 46.5 1.0 CB B:ALA42 4.1 46.5 1.0 SG B:CYS40 4.1 65.3 1.0 C B:GLN74 4.1 44.4 1.0 CA B:CYS41 4.2 54.2 1.0 CG B:GLN74 4.2 55.5 1.0 CA B:HIS75 4.3 41.5 1.0 CB B:HIS75 4.3 38.9 1.0 O B:HIS75 4.3 39.6 1.0 C B:CYS41 4.4 53.9 1.0 C B:CYS40 4.4 39.6 1.0 CB B:GLN74 4.4 46.9 1.0 CA B:ALA42 4.5 51.2 1.0 CA B:CYS40 4.6 42.3 1.0 O B:THR73 4.6 53.5 1.0 C B:HIS75 4.7 41.9 1.0 O B:HOH332 4.8 63.6 1.0 SG B:CYS41 5.0 50.4 1.0

Chlorine binding site 4 out of 4 in the Selenomethionine Labeled Structure of Rext


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 4 of Selenomethionine Labeled Structure of Rext within 5.0Å range:

B.Li, M.Jo, J.Liu, J.Tian, R.Canfield, J.Bridwell-Rabb. Structural and Mechanistic Basis For Redox Sensing By the Cyanobacterial Transcription Regulator Rext. Commun Biol V. 5 275 2022.
ISSN: ESSN 2399-3642
PubMed: 35347217
DOI: 10.1038/S42003-022-03226-X