Calcium in PDB 1f5f: Crystal Structure of the N-Terminal G-Domain of Shbg in Complex with Zinc

The structure of Crystal Structure of the N-Terminal G-Domain of Shbg in Complex with Zinc, PDB code: 1f5f was solved by V.A.Avvakumov, Y.A.Muller, G.L.Hammond, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.70
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	104.020, 104.020, 84.710, 90.00, 90.00, 120.00
R / Rfree (%)	19.7 / 25.9

The structure of Crystal Structure of the N-Terminal G-Domain of Shbg in Complex with Zinc also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Calcium atom in the Crystal Structure of the N-Terminal G-Domain of Shbg in Complex with Zinc (pdb code 1f5f). 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 the N-Terminal G-Domain of Shbg in Complex with Zinc, PDB code: 1f5f:

Calcium binding site 1 out of 1 in the Crystal Structure of the N-Terminal G-Domain of Shbg in Complex with Zinc


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 the N-Terminal G-Domain of Shbg in Complex with Zinc within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca250 b:31.7 occ:1.00 OD2 A:ASP50 1.9 36.5 1.0 O A:HOH264 2.0 33.5 1.0 O A:ALA160 2.2 31.0 1.0 O A:HOH267 2.3 34.4 1.0 O A:GLU52 2.3 29.6 1.0 O A:HOH293 2.4 37.9 1.0 OD1 A:ASP50 2.5 40.6 1.0 CG A:ASP50 2.6 38.4 1.0 C A:ALA160 3.5 29.2 1.0 C A:GLU52 3.5 31.1 1.0 CB A:ASP50 4.1 30.9 1.0 O A:HOH321 4.1 54.9 1.0 CA A:LEU161 4.1 31.9 1.0 N A:LEU161 4.2 28.1 1.0 N A:GLU52 4.4 24.8 1.0 CA A:GLU52 4.4 24.4 1.0 N A:GLY53 4.4 25.8 1.0 CA A:GLY53 4.5 24.1 1.0 O A:VAL158 4.5 27.3 1.0 CB A:GLU52 4.6 23.7 1.0 CA A:ALA160 4.6 33.6 1.0 N A:ASP162 4.6 36.5 1.0 OD2 A:ASP162 4.6 58.7 1.0 CB A:ALA160 4.8 35.8 1.0 CD1 A:LEU161 4.8 35.8 1.0 C A:LEU161 4.9 36.8 1.0 N A:ALA160 5.0 30.9 1.0

G.V.Avvakumov, Y.A.Muller, G.L.Hammond. Steroid-Binding Specificity of Human Sex Hormone-Binding Globulin Is Influenced By Occupancy of A Zinc-Binding Site. J.Biol.Chem. V. 275 25920 2000.
ISSN: ISSN 0021-9258
PubMed: 10859323
DOI: 10.1074/JBC.M004484200