Calcium in PDB 7w6b: Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis

The structure of Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis, PDB code: 7w6b 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)	51.93 / 2.98
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	52.271, 422.928, 48.391, 90, 90, 90
R / Rfree (%)	25.3 / 30.5

The structure of Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Iodine	(I)	15 atoms

The binding sites of Calcium atom in the Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis (pdb code 7w6b). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis, PDB code: 7w6b:

Calcium binding site 1 out of 1 in the Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Pita From Pilus Islet-2 of Streptococcus Oralis within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca917 b:104.0 occ:1.00 OD1 A:ASP180 1.9 159.1 1.0 OD2 A:ASP144 2.1 122.2 1.0 OD1 A:ASP144 2.4 120.0 1.0 O A:SER177 2.5 128.4 1.0 CG A:ASP144 2.6 121.0 1.0 CG A:ASP180 2.8 152.6 1.0 OD2 A:ASP180 3.0 147.3 1.0 OD1 A:ASP181 3.7 144.1 1.0 OG1 A:THR262 3.7 117.8 1.0 C A:SER177 3.7 130.4 1.0 CB A:ASP144 4.0 117.4 1.0 CB A:ASP180 4.2 149.1 1.0 CB A:THR262 4.4 118.8 1.0 N A:THR262 4.4 114.4 1.0 CA A:GLY211 4.4 133.7 1.0 OG A:SER177 4.5 145.6 1.0 N A:ASP180 4.5 139.9 1.0 CA A:PRO178 4.5 134.6 1.0 O A:GLY260 4.5 105.6 1.0 N A:PRO178 4.5 131.3 1.0 CG A:ASP181 4.6 137.8 1.0 N A:SER177 4.6 125.7 1.0 C A:PRO178 4.6 142.4 1.0 CA A:SER177 4.7 130.4 1.0 CA A:ASP180 4.7 144.6 1.0 O A:GLY211 4.7 131.7 1.0 O A:LYS142 4.7 115.4 1.0 N A:TRP179 4.9 136.6 1.0 OD2 A:ASP181 4.9 137.2 1.0 C A:ASP180 4.9 143.9 1.0 CB A:LYS142 4.9 110.5 1.0 CA A:TYR261 4.9 113.0 1.0 O A:PRO178 5.0 154.3 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