Calcium in PDB 6ioq: The Ligand Binding Domain of MLP24 with Glycine

The structure of The Ligand Binding Domain of MLP24 with Glycine, PDB code: 6ioq was solved by Y.Takahashi, K.Sumita, S.Nishiyama, I.Kawagishi, K.Imada, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	41.60 / 2.14
Space group	I 2 2 2
Cell size a, b, c (Å), α, β, γ (°)	54.351, 64.637, 136.577, 90.00, 90.00, 90.00
R / Rfree (%)	19.6 / 24.5

The binding sites of Calcium atom in the The Ligand Binding Domain of MLP24 with Glycine (pdb code 6ioq). 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 The Ligand Binding Domain of MLP24 with Glycine, PDB code: 6ioq:

Calcium binding site 1 out of 1 in the The Ligand Binding Domain of MLP24 with Glycine


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Ligand Binding Domain of MLP24 with Glycine within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca502 b:42.8 occ:1.00 O A:TRP114 2.2 45.9 1.0 O A:ASP111 2.3 36.9 1.0 O A:HOH631 2.3 42.5 1.0 O A:HOH622 2.4 35.3 1.0 OE2 A:GLU109 2.5 40.6 1.0 OE1 A:GLU109 2.6 35.8 1.0 CD A:GLU109 2.9 38.8 1.0 C A:TRP114 3.4 42.8 1.0 C A:ASP111 3.5 35.6 1.0 OE1 A:GLU115 3.6 62.3 1.0 N A:ASP111 4.2 31.2 1.0 N A:TRP114 4.2 46.2 1.0 CA A:ASP111 4.2 35.7 1.0 N A:GLU115 4.2 47.3 1.0 CA A:TRP114 4.3 41.5 1.0 CA A:GLU115 4.4 50.4 1.0 CG A:GLU109 4.4 36.7 1.0 O A:HOH618 4.4 36.5 1.0 CB A:ASP111 4.4 37.8 1.0 N A:ASP112 4.5 35.0 1.0 O A:GLU109 4.6 35.4 1.0 O A:ASP112 4.6 50.0 1.0 C A:ASP112 4.7 43.1 1.0 CA A:ASP112 4.7 37.3 1.0 O A:HOH613 4.8 43.3 1.0 CD A:GLU115 4.8 64.7 1.0 CB A:GLU115 4.8 52.5 1.0 CB A:TRP114 5.0 45.5 1.0

Y.Takahashi, S.I.Nishiyama, K.Sumita, I.Kawagishi, K.Imada. Calcium Ions Modulate Amino Acid Sensing of the Chemoreceptor MLP24 Ofvibrio Cholerae. J. Bacteriol. V. 201 2019.
ISSN: ESSN 1098-5530
PubMed: 30745373
DOI: 10.1128/JB.00779-18