Calcium in PDB 4emu: Crystal Structure of Ligand Free Human Sting

The structure of Crystal Structure of Ligand Free Human Sting, PDB code: 4emu was solved by P.Li, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	37.35 / 1.90
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	69.931, 78.108, 127.768, 90.00, 90.00, 90.00
R / Rfree (%)	21.1 / 24.8

The binding sites of Calcium atom in the Crystal Structure of Ligand Free Human Sting (pdb code 4emu). 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 Ligand Free Human Sting, PDB code: 4emu:

Calcium binding site 1 out of 1 in the Crystal Structure of Ligand Free Human Sting


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 Ligand Free Human Sting within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca401 b:26.7 occ:1.00 O B:HOH503 2.4 27.5 1.0 O B:ALA318 2.4 25.5 1.0 OD1 B:ASP320 2.4 34.3 1.0 O B:HOH502 2.4 26.7 1.0 CG B:ASP320 3.4 50.2 1.0 C B:ALA318 3.5 28.8 1.0 N B:ASP320 4.0 33.2 1.0 CA B:ALA318 4.1 27.1 1.0 OD2 B:ASP320 4.2 50.0 1.0 CB B:ASP320 4.2 57.7 1.0 N B:ASP319 4.5 26.6 1.0 O B:PRO317 4.6 27.6 1.0 O B:HOH525 4.6 38.5 1.0 O B:HOH572 4.7 53.9 0.5 CA B:ASP320 4.7 38.1 1.0 CA B:ASP319 4.7 27.3 1.0 O B:HOH578 4.8 47.5 1.0 C B:ASP319 4.8 26.2 1.0 CB B:ALA318 4.9 27.9 1.0

C.Shu, G.Yi, T.Watts, C.C.Kao, P.Li. Structure of Sting Bound to Cyclic Di-Gmp Reveals the Mechanism of Cyclic Dinucleotide Recognition By the Immune System. Nat.Struct.Mol.Biol. V. 19 722 2012.
ISSN: ISSN 1545-9993
PubMed: 22728658
DOI: 10.1038/NSMB.2331