Potassium in PDB 7f7y: Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae

The structure of Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae, PDB code: 7f7y was solved by R.K.Yadav, V.Krishnan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	54.98 / 2.13
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	73.49, 82.659, 362.193, 90, 90, 90
R / Rfree (%)	19.8 / 23.5

The structure of Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae also contains other interesting chemical elements:

Iodine

(I)

9 atoms

The binding sites of Potassium atom in the Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae (pdb code 7f7y). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae, PDB code: 7f7y:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae within 5.0Å range: probe atom residue distance (Å) B Occ B:K902 b:44.4 occ:0.73 OD2 B:ASP336 2.6 29.8 1.0 O B:VAL355 2.7 26.5 1.0 O B:HOH1120 2.8 7.2 1.0 CG B:ASP336 3.2 24.2 1.0 CB B:PHE357 3.7 25.3 1.0 OD1 B:ASP336 3.8 24.3 1.0 N B:PHE357 3.8 23.8 1.0 C B:VAL355 3.8 29.2 1.0 O B:HOH1094 3.8 14.3 1.0 CA B:GLY330 3.8 17.0 1.0 CB B:ASP336 3.9 21.5 1.0 O B:GLU328 4.0 16.2 1.0 N B:GLY330 4.1 15.7 1.0 O B:THR329 4.2 13.1 1.0 C B:ASP356 4.3 25.2 1.0 CA B:PHE357 4.4 25.4 1.0 C B:THR329 4.4 15.4 1.0 O B:GLN352 4.4 26.5 1.0 CA B:ASP356 4.4 27.3 1.0 N B:VAL355 4.5 29.8 1.0 N B:ASP336 4.5 18.2 1.0 N B:ASP356 4.5 28.7 1.0 O B:TYR334 4.8 16.8 1.0 O B:HOH1147 4.8 21.8 1.0 CA B:ASP336 4.8 20.2 1.0 N B:VAL331 4.8 17.0 1.0 C B:GLU328 4.8 17.0 1.0 CA B:VAL355 4.8 30.2 1.0 OE2 B:GLU328 4.8 23.4 1.0 C B:GLY330 4.9 17.0 1.0 CG B:PHE357 4.9 24.9 1.0 CD B:GLU328 5.0 22.3 1.0

Potassium binding site 2 out of 3 in the Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae within 5.0Å range: probe atom residue distance (Å) B Occ B:K903 b:36.0 occ:1.00 OG1 B:THR82 2.6 6.5 1.0 OG1 B:THR150 2.9 10.2 1.0 O B:THR80 2.9 5.8 1.0 O B:THR150 3.2 7.5 1.0 C B:THR150 3.3 8.8 1.0 O B:HOH1044 3.4 0.6 1.0 N B:GLY151 3.5 7.9 1.0 CB B:THR82 3.5 6.6 1.0 CA B:GLY151 3.5 7.8 1.0 C B:THR80 3.6 6.1 1.0 CB B:THR150 3.7 11.3 1.0 N B:THR82 3.8 5.7 1.0 CG2 B:THR80 3.9 8.3 1.0 O B:HOH1119 4.0 16.2 1.0 CB B:THR80 4.1 7.8 1.0 CA B:THR150 4.1 11.1 1.0 CA B:THR82 4.2 6.2 1.0 C B:PHE81 4.3 5.3 1.0 N B:PHE81 4.4 5.1 1.0 CA B:PHE81 4.4 5.2 1.0 CA B:THR80 4.5 6.9 1.0 O B:HOH1075 4.5 17.8 1.0 CG2 B:THR82 4.7 7.0 1.0 N B:THR150 4.7 12.7 1.0 C B:GLY151 4.9 7.5 1.0

Potassium binding site 3 out of 3 in the Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of Protein Pitb From Pilus Islet-2 of Streptococcus Pneumoniae within 5.0Å range: probe atom residue distance (Å) B Occ B:K904 b:49.3 occ:1.00 O B:HOH1186 2.5 11.4 1.0 O B:LYS240 2.7 9.9 1.0 O B:ASN369 2.8 10.8 1.0 C B:LYS240 3.7 10.2 1.0 O B:ALA241 3.8 7.0 1.0 C B:ALA241 3.9 7.0 1.0 C B:ASN369 3.9 10.7 1.0 OG B:SER224 3.9 7.9 1.0 O B:HOH1095 4.0 16.4 1.0 N B:LEU242 4.0 6.5 1.0 O B:HOH1225 4.1 24.1 1.0 CA B:LEU242 4.1 6.3 1.0 N B:ASN369 4.2 9.6 1.0 CB B:SER224 4.2 8.2 1.0 N B:THR243 4.2 7.7 1.0 CB B:LYS240 4.3 12.8 1.0 C B:LEU242 4.4 7.2 1.0 CA B:LYS240 4.4 11.7 1.0 N B:LYS240 4.5 12.0 1.0 CA B:ASN369 4.5 9.5 1.0 CG2 B:THR243 4.5 8.8 1.0 N B:ALA241 4.6 8.7 1.0 O B:HOH1134 4.6 15.1 1.0 OG1 B:THR243 4.7 9.7 1.0 CA B:ALA241 4.7 7.6 1.0 CB B:ASN369 4.8 9.1 1.0 N B:ASP370 4.9 11.9 1.0

R.K.Yadav, V.Krishnan. New Structural Insights Into the Pi-2 Pilus From Streptococcus Oralis, An Early Dental Plaque Colonizer. Febs J. V. 289 6342 2022.
ISSN: ISSN 1742-464X
PubMed: 35561142
DOI: 10.1111/FEBS.16527