Calcium in PDB 7r1m: Crystal Structure of Exsfa, A Bacillus Cereus Spore Exosporium Protein

The structure of Crystal Structure of Exsfa, A Bacillus Cereus Spore Exosporium Protein, PDB code: 7r1m was solved by P.Brear, S.Schack, G.Christie, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	67.39 / 1.64
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	95.298, 95.298, 117.183, 90, 90, 90
R / Rfree (%)	20.9 / 23.5

The structure of Crystal Structure of Exsfa, A Bacillus Cereus Spore Exosporium Protein also contains other interesting chemical elements:

Magnesium	(Mg)	2 atoms
Gold	(Au)	13 atoms

The binding sites of Calcium atom in the Crystal Structure of Exsfa, A Bacillus Cereus Spore Exosporium Protein (pdb code 7r1m). 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 Exsfa, A Bacillus Cereus Spore Exosporium Protein, PDB code: 7r1m:

Calcium binding site 1 out of 1 in the Crystal Structure of Exsfa, A Bacillus Cereus Spore Exosporium Protein


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 Exsfa, A Bacillus Cereus Spore Exosporium Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca207 b:33.2 occ:1.00 O A:HOH383 2.7 36.1 1.0 OG A:SER131 2.8 26.0 1.0 OG C:SER131 2.8 25.9 1.0 OG B:SER131 2.8 26.6 1.0 O A:SER132 3.0 24.8 1.0 O C:SER132 3.1 23.6 1.0 O B:SER132 3.3 27.4 1.0 O A:HOH317 3.6 38.1 1.0 CB B:SER131 3.6 25.1 1.0 CB A:SER131 3.6 26.9 1.0 CB C:SER131 3.6 26.4 1.0 O C:HOH327 3.7 31.8 1.0 O B:HOH339 3.7 34.3 1.0 C A:SER132 4.1 22.9 1.0 C C:SER132 4.2 24.7 1.0 C B:SER132 4.3 26.9 1.0 C C:SER131 4.3 23.8 1.0 O A:SER131 4.3 24.1 1.0 C A:SER131 4.3 25.0 1.0 O C:SER131 4.4 23.4 1.0 C B:SER131 4.4 22.9 1.0 O B:SER131 4.4 23.4 1.0 CA A:SER131 4.6 24.6 1.0 CA C:SER131 4.6 26.1 1.0 CA B:SER131 4.6 25.2 1.0 N A:SER132 4.7 22.8 1.0 N C:SER132 4.7 25.4 1.0 N B:SER132 4.8 24.4 1.0 CA C:GLY133 4.9 26.6 1.0 N A:GLY133 4.9 26.3 1.0 CA A:GLY133 4.9 29.0 1.0 N C:GLY133 4.9 26.5 1.0

P.Brear, S.Schack, G.Christie. Crystal Structure of Exsfa, A Bacillus Cereus Spore Exosporium Protein" To Be Published.