Calcium in PDB 1rlw: Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2

All present enzymatic activity of Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2:
3.1.1.4;

The structure of Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2, PDB code: 1rlw was solved by O.Perisic, R.L.Williams, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.40
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	79.410, 79.410, 70.670, 90.00, 90.00, 120.00
R / Rfree (%)	22.7 / 27.3

The structure of Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2 also contains other interesting chemical elements:

Cadmium

(Cd)

2 atoms

The binding sites of Calcium atom in the Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2 (pdb code 1rlw). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2, PDB code: 1rlw:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca400 b:3.0 occ:1.00 OD1 A:ASN65 2.1 14.5 1.0 O A:HOH514 2.1 13.9 1.0 OD1 A:ASP43 2.2 4.9 1.0 OD1 A:ASP40 2.3 15.1 1.0 O A:THR41 2.3 10.7 1.0 OD2 A:ASP43 2.6 4.5 1.0 O A:HOH516 2.6 27.1 1.0 CG A:ASP43 2.6 7.3 1.0 CG A:ASN65 3.3 17.2 1.0 CG A:ASP40 3.4 18.6 1.0 C A:THR41 3.4 12.4 1.0 N A:THR41 3.9 13.7 1.0 OD2 A:ASP40 4.0 16.7 1.0 O A:HOH513 4.0 11.7 1.0 N A:ASN65 4.1 17.8 1.0 CA A:THR41 4.1 12.6 1.0 CB A:ASP43 4.1 7.3 1.0 ND2 A:ASN65 4.1 15.9 1.0 CA A:CA401 4.2 2.1 1.0 CA A:ASN65 4.2 17.8 1.0 CB A:ASN65 4.3 15.9 1.0 C A:PRO42 4.3 10.6 1.0 C A:ASP40 4.3 15.5 1.0 N A:ASP43 4.4 8.7 1.0 CB A:THR41 4.4 12.1 1.0 N A:PRO42 4.5 11.6 1.0 O A:PRO42 4.5 9.8 1.0 CB A:ASP40 4.6 16.9 1.0 CA A:ASP40 4.7 17.0 1.0 CA A:ASP43 4.7 8.9 1.0 CA A:PRO42 4.8 11.2 1.0 O A:ASP40 5.0 16.1 1.0

Calcium binding site 2 out of 2 in the Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca401 b:2.1 occ:1.00 OD2 A:ASP43 2.1 4.5 1.0 OD1 A:ASN95 2.2 18.1 1.0 OD2 A:ASP40 2.3 16.7 1.0 OD1 A:ASP93 2.5 14.4 1.0 O A:HOH513 2.5 11.7 1.0 O A:ALA94 2.5 16.8 1.0 OD2 A:ASP93 2.7 16.7 1.0 CG A:ASP93 2.9 14.3 1.0 CG A:ASP40 3.2 18.6 1.0 CG A:ASP43 3.2 7.3 1.0 CG A:ASN95 3.4 19.8 1.0 OD1 A:ASP40 3.4 15.1 1.0 C A:ALA94 3.5 16.8 1.0 CB A:ASP43 3.8 7.3 1.0 CA A:ASN95 3.9 21.4 1.0 N A:ASN95 4.1 18.7 1.0 N A:ASP43 4.1 8.7 1.0 CA A:CA400 4.2 3.0 1.0 CB A:ASN95 4.2 19.1 1.0 ND2 A:ASN95 4.3 18.4 1.0 OD1 A:ASP43 4.3 4.9 1.0 N A:ALA94 4.3 13.6 1.0 CB A:ASP93 4.3 12.5 1.0 O A:THR41 4.4 10.7 1.0 C A:ASP93 4.5 12.8 1.0 CA A:ALA94 4.5 16.3 1.0 CB A:ASP40 4.6 16.9 1.0 CA A:ASP43 4.6 8.9 1.0 O A:HOH510 4.7 3.9 1.0 O A:ASP93 4.8 11.9 1.0 CA A:ASP93 4.9 11.7 1.0 C A:PRO42 4.9 10.6 1.0 CA A:PRO42 5.0 11.2 1.0 O A:HOH514 5.0 13.9 1.0

O.Perisic, S.Fong, D.E.Lynch, M.Bycroft, R.L.Williams. Crystal Structure of A Calcium-Phospholipid Binding Domain From Cytosolic Phospholipase A2. J.Biol.Chem. V. 273 1596 1998.
ISSN: ISSN 0021-9258
PubMed: 9430701
DOI: 10.1074/JBC.273.3.1596