Potassium in PDB 6cf1: Proteus Vulgaris Higa Antitoxin Structure

The structure of Proteus Vulgaris Higa Antitoxin Structure, PDB code: 6cf1 was solved by M.A.Schureck, E.D.Hoffer, S.Ei Cho, C.M.Dunham, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.67 / 1.90
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	104.610, 40.700, 45.320, 90.00, 105.50, 90.00
R / Rfree (%)	18 / 21.8

The binding sites of Potassium atom in the Proteus Vulgaris Higa Antitoxin Structure (pdb code 6cf1). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the Proteus Vulgaris Higa Antitoxin Structure, PDB code: 6cf1:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in the Proteus Vulgaris Higa Antitoxin Structure


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Proteus Vulgaris Higa Antitoxin Structure within 5.0Å range: probe atom residue distance (Å) B Occ A:K201 b:2.1 occ:1.00 O A:HOH363 2.4 26.4 1.0 OD1 A:ASP19 2.4 26.8 1.0 OD2 A:ASP19 2.4 28.2 1.0 CG A:ASP19 2.7 28.2 1.0 O A:ARG15 4.0 22.9 1.0 O A:HOH303 4.2 38.5 1.0 CB A:ASP19 4.2 26.8 1.0 CB A:ARG15 4.4 22.4 1.0 C A:ARG15 4.6 22.1 1.0 O A:HOH370 4.8 19.8 1.0 CA A:ARG15 4.9 22.8 1.0 CD A:ARG15 5.0 27.1 1.0

Potassium binding site 2 out of 5 in the Proteus Vulgaris Higa Antitoxin Structure


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Proteus Vulgaris Higa Antitoxin Structure within 5.0Å range: probe atom residue distance (Å) B Occ A:K202 b:2.4 occ:1.00 OE2 A:GLU65 2.1 27.4 1.0 OE2 B:GLU80 2.2 45.1 1.0 OE1 B:GLU80 2.7 55.5 1.0 OE1 A:GLU65 2.8 22.1 1.0 CD A:GLU65 2.8 26.4 1.0 CD B:GLU80 2.8 46.9 1.0 CG A:GLU65 4.3 23.7 1.0 CG B:GLU80 4.4 42.2 1.0 O A:HOH309 4.4 31.6 1.0 CD A:PRO64 4.5 17.9 1.0 O B:HOH305 4.5 32.0 1.0 CG A:PRO64 4.7 21.1 1.0

Potassium binding site 3 out of 5 in the Proteus Vulgaris Higa Antitoxin Structure


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Proteus Vulgaris Higa Antitoxin Structure within 5.0Å range: probe atom residue distance (Å) B Occ A:K203 b:20.3 occ:1.00 O A:GLN3 2.4 40.9 1.0 C A:GLN3 3.3 44.5 1.0 N A:GLN3 3.6 62.8 1.0 CA A:GLN3 3.8 55.0 1.0 NH1 A:ARG77 4.0 28.4 1.0 CB A:GLN3 4.2 56.8 1.0 N A:PHE4 4.3 39.8 1.0 NH2 A:ARG77 4.5 25.4 1.0 CA A:PHE4 4.7 32.8 1.0 CZ A:ARG77 4.8 29.4 1.0

Potassium binding site 4 out of 5 in the Proteus Vulgaris Higa Antitoxin Structure


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Proteus Vulgaris Higa Antitoxin Structure within 5.0Å range: probe atom residue distance (Å) B Occ A:K204 b:26.1 occ:1.00 O A:HOH362 1.9 30.4 1.0 ND1 A:HIS29 2.4 34.9 1.0 CE1 A:HIS29 3.4 36.9 1.0 CG A:HIS29 3.4 28.3 1.0 O A:HOH377 3.6 40.5 1.0 CB A:HIS29 3.7 24.4 1.0 NH1 A:ARG25 4.4 41.3 1.0 NE2 A:HIS29 4.5 33.6 1.0 CD2 A:HIS29 4.5 29.5 1.0

Potassium binding site 5 out of 5 in the Proteus Vulgaris Higa Antitoxin Structure


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Proteus Vulgaris Higa Antitoxin Structure within 5.0Å range: probe atom residue distance (Å) B Occ B:K201 b:39.7 occ:1.00 OD1 B:ASP16 2.6 40.1 1.0 OD2 B:ASP16 2.8 39.4 1.0 CG B:ASP16 3.1 36.0 1.0 O B:HOH311 4.3 53.4 1.0 O B:MET12 4.3 28.6 1.0 CB B:ASP16 4.6 29.6 1.0 CB B:MET12 4.9 37.0 1.0 C B:MET12 5.0 30.4 1.0

M.A.Schureck, J.Meisner, E.D.Hoffer, D.Wang, N.Onuoha, S.Ei Cho, P.Lollar 3Rd, C.M.Dunham. Structural Basis of Transcriptional Regulation By the Higa Antitoxin. Mol.Microbiol. V. 111 1449 2019.
ISSN: ESSN 1365-2958
PubMed: 30793388
DOI: 10.1111/MMI.14229