Potassium in PDB 8xao: The Thermostable and Acid-Tolerant Dna-Binding Protein

The structure of The Thermostable and Acid-Tolerant Dna-Binding Protein, PDB code: 8xao was solved by C.Y.Chen, C.H.Huang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.19 / 2.05
Space group	P 65 2 2
Cell size a, b, c (Å), α, β, γ (°)	81.892, 81.892, 139.371, 90, 90, 120
R / Rfree (%)	20.2 / 23.2

The binding sites of Potassium atom in the The Thermostable and Acid-Tolerant Dna-Binding Protein (pdb code 8xao). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the The Thermostable and Acid-Tolerant Dna-Binding Protein, PDB code: 8xao:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in the The Thermostable and Acid-Tolerant Dna-Binding Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of The Thermostable and Acid-Tolerant Dna-Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:K101 b:35.8 occ:1.00 O A:HOH249 3.0 38.6 1.0 O A:HOH208 3.3 31.1 1.0 O A:HOH225 3.6 38.2 1.0 NZ A:LYS47 3.6 25.2 1.0 CA A:ALA44 3.8 19.3 1.0 O A:GLY14 3.9 27.0 1.0 N A:ALA44 3.9 20.6 1.0 CE A:LYS47 4.0 26.0 1.0 CB A:ALA44 4.0 20.9 1.0 C A:ARG43 4.2 22.0 1.0 CA A:LYS15 4.3 31.9 1.0 O A:ARG43 4.4 21.7 1.0 CB A:ARG43 4.6 31.0 1.0 CG A:LYS15 4.6 41.3 1.0 C A:GLY14 4.6 29.2 1.0 N A:LYS15 4.9 29.0 1.0 CD A:LYS47 5.0 21.3 1.0

Potassium binding site 2 out of 5 in the The Thermostable and Acid-Tolerant Dna-Binding Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of The Thermostable and Acid-Tolerant Dna-Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ B:K101 b:27.9 occ:1.00 O B:HOH226 3.2 26.2 1.0 O B:HOH252 3.2 21.7 1.0 NZ B:LYS47 3.6 25.0 1.0 CA B:ALA44 3.8 15.6 1.0 CE B:LYS47 3.8 22.5 1.0 O B:GLY14 3.9 20.2 1.0 N B:ALA44 3.9 16.4 1.0 CB B:ALA44 4.0 16.6 1.0 C B:ARG43 4.2 17.6 1.0 O B:ARG43 4.3 19.4 1.0 CD B:LYS15 4.5 29.8 1.0 C B:GLY14 4.6 22.8 1.0 O B:HOH231 4.6 42.5 1.0 CA B:LYS15 4.6 25.1 1.0 CB B:ARG43 4.6 23.2 1.0 NZ B:LYS15 4.9 26.0 1.0 CD B:LYS47 4.9 21.5 1.0 N B:LYS15 5.0 22.2 1.0

Potassium binding site 3 out of 5 in the The Thermostable and Acid-Tolerant Dna-Binding Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of The Thermostable and Acid-Tolerant Dna-Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ B:K102 b:49.6 occ:1.00 O B:HOH250 3.1 30.9 1.0 NZ B:LYS95 3.5 44.8 1.0 OD1 B:ASN30 3.9 35.8 1.0 CA B:ASN30 4.1 31.8 1.0 CD1 B:LEU60 4.2 28.7 1.0 N B:ASN30 4.3 27.5 1.0 CD2 B:LEU60 4.3 32.3 1.0 CE B:LYS95 4.3 49.8 1.0 CB B:ASN30 4.3 31.0 1.0 O B:LEU29 4.4 32.3 1.0 C B:LEU29 4.4 29.6 1.0 CG B:ASN30 4.6 32.1 1.0 CB B:LEU29 4.8 26.2 1.0 CG B:LEU60 4.9 32.0 1.0

Potassium binding site 4 out of 5 in the The Thermostable and Acid-Tolerant Dna-Binding Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of The Thermostable and Acid-Tolerant Dna-Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ B:K103 b:21.5 occ:1.00 O B:HOH201 2.9 26.0 1.0 N B:THR77 3.2 28.1 1.0 CA B:VAL76 3.9 27.0 1.0 CG1 B:VAL76 4.0 28.3 1.0 CB B:THR77 4.0 28.6 1.0 C B:VAL76 4.1 27.4 1.0 O B:THR77 4.1 26.1 1.0 CA B:THR77 4.1 27.1 1.0 O B:VAL75 4.3 31.2 1.0 OG1 B:THR77 4.4 32.5 1.0 CB B:VAL76 4.5 21.9 1.0 C B:THR77 4.6 24.8 1.0 NH2 B:ARG41 4.7 34.5 1.0 O B:HOH268 4.8 16.3 1.0 N B:VAL76 5.0 27.4 1.0 CG2 B:VAL76 5.0 31.7 1.0

Potassium binding site 5 out of 5 in the The Thermostable and Acid-Tolerant Dna-Binding Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of The Thermostable and Acid-Tolerant Dna-Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ B:K104 b:24.1 occ:1.00 O B:HOH247 3.3 33.1 1.0 CB B:SER78 3.4 26.9 1.0 NH2 B:ARG82 3.5 32.2 1.0 CG B:ASP80 3.6 33.5 1.0 OD1 B:ASP80 3.7 31.5 1.0 N B:GLN79 3.7 27.9 1.0 N B:ASP80 3.7 32.7 1.0 OD2 B:ASP80 3.8 34.2 1.0 CB B:ASP80 4.1 35.7 1.0 OG B:SER78 4.1 34.3 1.0 CB B:GLN79 4.3 31.6 1.0 C B:SER78 4.4 26.8 1.0 CA B:GLN79 4.4 30.3 1.0 CA B:SER78 4.4 26.1 1.0 C B:GLN79 4.5 32.5 1.0 CA B:ASP80 4.6 35.0 1.0 CZ B:ARG82 4.7 35.8 1.0 CG B:GLN79 5.0 30.1 1.0 NE B:ARG82 5.0 36.4 1.0

C.Y.Chen, C.H.Huang. Crystal Structures of the Thermostable and Acid-Tolerant Dna-Binding Proteins, SAC10B1, SAC10B2 and SAC10B1-F59A From Sulfolobus Acidocaldarius To Be Published.