Calcium in PDB 1ayo: Receptor Binding Domain of Bovine Alpha-2-Macroglobulin

The structure of Receptor Binding Domain of Bovine Alpha-2-Macroglobulin, PDB code: 1ayo was solved by L.B.Jenner, L.Husted, S.Thirup, L.Sottrup-Jensen, J.Nyborg, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.00 / 1.90
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	107.570, 107.570, 72.229, 90.00, 90.00, 120.00
R / Rfree (%)	19.5 / 23.9

The binding sites of Calcium atom in the Receptor Binding Domain of Bovine Alpha-2-Macroglobulin (pdb code 1ayo). 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 Receptor Binding Domain of Bovine Alpha-2-Macroglobulin, PDB code: 1ayo:

Calcium binding site 1 out of 1 in the Receptor Binding Domain of Bovine Alpha-2-Macroglobulin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Receptor Binding Domain of Bovine Alpha-2-Macroglobulin within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca133 b:18.2 occ:1.00 O B:HOH134 2.3 16.9 1.0 OE2 B:GLU121 2.3 20.3 1.0 O B:HOH201 2.4 17.0 1.0 O B:ASP120 2.4 17.1 1.0 O B:HOH148 2.4 25.4 1.0 CD B:GLU121 3.4 27.9 1.0 C B:ASP120 3.6 24.3 1.0 CG B:GLU121 3.9 23.4 1.0 O B:HOH176 3.9 20.9 1.0 CG B:ASP120 4.2 24.4 1.0 OD2 B:ASP120 4.3 22.3 1.0 O B:HOH214 4.3 39.4 1.0 CB B:ASP120 4.4 21.7 1.0 N B:GLU121 4.4 21.4 1.0 CA B:GLU121 4.4 13.9 1.0 OE2 B:GLU118 4.5 27.0 1.0 OE1 B:GLU121 4.5 18.1 1.0 O B:HOH154 4.6 20.2 1.0 CA B:ASP120 4.6 17.6 1.0 OD1 B:ASP120 4.6 22.7 1.0 O B:HOH147 4.6 18.4 1.0 O B:THR119 4.7 20.0 1.0 CB B:GLU121 4.7 18.2 1.0 CG B:PRO5 4.8 20.6 1.0

L.Jenner, L.Husted, S.Thirup, L.Sottrup-Jensen, J.Nyborg. Crystal Structure of the Receptor-Binding Domain of Alpha 2-Macroglobulin. Structure V. 6 595 1998.
ISSN: ISSN 0969-2126
PubMed: 9634697
DOI: 10.1016/S0969-2126(98)00061-6