Calcium in PDB 6pii: The Evolving Story of Atzt, A Periplasmic Binding Protein

The structure of The Evolving Story of Atzt, A Periplasmic Binding Protein, PDB code: 6pii was solved by T.S.Peat, J.Newman, C.Scott, L.Esquirol, M.Dennis, T.Nebl, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.40 / 1.87
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	98.920, 63.050, 120.436, 90.00, 93.49, 90.00
R / Rfree (%)	15.5 / 18.3

The structure of The Evolving Story of Atzt, A Periplasmic Binding Protein also contains other interesting chemical elements:

Mercury

(Hg)

4 atoms

The binding sites of Calcium atom in the The Evolving Story of Atzt, A Periplasmic Binding Protein (pdb code 6pii). 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 Evolving Story of Atzt, A Periplasmic Binding Protein, PDB code: 6pii:

Calcium binding site 1 out of 1 in the The Evolving Story of Atzt, A Periplasmic Binding Protein


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Evolving Story of Atzt, A Periplasmic Binding Protein within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca403 b:55.6 occ:1.00 O C:HOH543 2.9 48.8 1.0 ND2 C:ASN220 2.9 29.9 1.0 OD2 C:ASP239 2.9 27.9 1.0 O C:THR219 3.0 33.0 1.0 O C:HOH520 3.0 29.4 1.0 O C:ASN218 3.1 28.8 1.0 SG C:CYS238 3.1 36.4 1.0 N2 C:GUN401 3.2 35.2 1.0 C C:THR219 3.7 30.5 1.0 C C:ASN218 3.7 30.5 1.0 N3 C:GUN401 4.0 38.5 1.0 CB C:TYR45 4.1 30.4 1.0 C2 C:GUN401 4.1 38.7 1.0 CG C:ASP239 4.1 37.5 1.0 CD1 C:TYR45 4.1 30.9 1.0 ND2 C:ASN218 4.1 30.2 1.0 CG C:ASN220 4.1 31.6 1.0 CA C:ASN220 4.2 27.7 1.0 N C:ASN220 4.3 28.7 1.0 CA C:ASN218 4.4 25.8 1.0 CB C:CYS238 4.4 34.2 1.0 N C:THR219 4.4 25.1 1.0 CG C:TYR45 4.4 30.5 1.0 CA C:THR219 4.5 27.9 1.0 HG C:EMC402 4.5 29.0 0.8 CB C:ASN220 4.6 29.2 1.0 OD1 C:ASP239 4.6 29.7 1.0 CA C:TYR45 5.0 30.2 1.0 O C:HOH539 5.0 40.1 1.0

M.Dennis, L.Esquirol, T.Nebl, J.Newman, C.Scott, T.S.Peat. The Evolving Story of Atzt, A Periplasmic Binding Protein Acta Crystallogr.,Sect.D V. 75 995 2019.
ISSN: ESSN 1399-0047
DOI: 10.1107/S2059798319013883