Calcium in PDB 2psr: Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II)

The structure of Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II), PDB code: 2psr was solved by D.E.Brodersen, J.Nyborg, M.Kjeldgaard, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	100.00 / 2.05
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	51.958, 51.958, 116.027, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 26.5

The structure of Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II) also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

The binding sites of Calcium atom in the Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II) (pdb code 2psr). 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 Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II), PDB code: 2psr:

Calcium binding site 1 out of 1 in the Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Human Psoriasin (S100A7) CA2+ and ZN2+ Bound Form (Crystal Form II) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca102 b:17.8 occ:0.89 OD1 A:ASN64 2.2 22.4 1.0 O A:HOH306 2.2 24.2 1.0 O A:LYS68 2.3 23.8 1.0 OD1 A:ASP62 2.4 23.5 1.0 OD1 A:ASP66 2.4 19.1 1.0 OE1 A:GLU73 2.5 17.9 1.0 OE2 A:GLU73 2.6 13.2 1.0 CD A:GLU73 2.8 21.5 1.0 CG A:ASN64 3.2 33.8 1.0 CG A:ASP66 3.3 18.7 1.0 C A:LYS68 3.5 27.1 1.0 CG A:ASP62 3.5 27.4 1.0 OD2 A:ASP66 3.7 20.6 1.0 ND2 A:ASN64 3.8 34.7 1.0 N A:ASP66 4.1 27.2 1.0 CA A:ASP62 4.2 9.2 1.0 N A:LYS68 4.2 21.9 1.0 N A:ASN64 4.3 27.2 1.0 CA A:LYS68 4.3 20.9 1.0 C A:ASP62 4.4 15.9 1.0 OD2 A:ASP62 4.4 25.1 1.0 CG A:GLU73 4.4 18.6 1.0 CB A:ASP62 4.4 19.0 1.0 N A:ILE69 4.4 20.3 1.0 N A:ASP70 4.4 19.6 1.0 N A:GLU65 4.4 26.3 1.0 CA A:ILE69 4.5 22.6 1.0 CB A:ASN64 4.5 29.4 1.0 CB A:ASP66 4.6 24.4 1.0 N A:LYS63 4.6 22.6 1.0 OD2 A:ASP70 4.6 23.4 1.0 O A:HOH265 4.6 28.2 1.0 CB A:LYS68 4.7 20.7 1.0 CA A:ASN64 4.8 22.8 1.0 CA A:ASP66 4.8 24.0 1.0 C A:ASN64 4.8 26.9 1.0 O A:ASP62 4.9 17.4 1.0 CG A:ASP70 4.9 18.9 1.0 N A:LYS67 4.9 19.1 1.0 C A:ILE69 4.9 25.3 1.0 C A:ASP66 5.0 20.4 1.0

D.E.Brodersen, J.Nyborg, M.Kjeldgaard. Zinc-Binding Site of An S100 Protein Revealed. Two Crystal Structures of CA2+-Bound Human Psoriasin (S100A7) in the ZN2+-Loaded and ZN2+-Free States. Biochemistry V. 38 1695 1999.
ISSN: ISSN 0006-2960
PubMed: 10026247
DOI: 10.1021/BI982483D