Calcium in PDB 1poa: Interfacial Catalysis: the Mechanism of Phospholipase A2

All present enzymatic activity of Interfacial Catalysis: the Mechanism of Phospholipase A2:
3.1.1.4;

The structure of Interfacial Catalysis: the Mechanism of Phospholipase A2, PDB code: 1poa was solved by D.L.Scott, Z.Otwinowski, P.B.Sigler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	N/A / 1.50
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	93.000, 93.000, 22.200, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Interfacial Catalysis: the Mechanism of Phospholipase A2 (pdb code 1poa). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Interfacial Catalysis: the Mechanism of Phospholipase A2, PDB code: 1poa:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Interfacial Catalysis: the Mechanism of Phospholipase A2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Interfacial Catalysis: the Mechanism of Phospholipase A2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca201 b:15.8 occ:0.92 O A:GLY31 2.2 28.8 1.0 O A:TYR27 2.3 10.9 1.0 OD2 A:ASP48 2.3 14.2 1.0 O A:HOH202 2.4 16.4 0.9 O A:GLY29 2.5 23.9 1.0 O A:HOH203 2.5 16.8 0.9 OD1 A:ASP48 2.6 13.5 1.0 CG A:ASP48 2.8 9.8 1.0 O A:HOH323 3.3 55.9 1.0 C A:GLY31 3.4 35.0 1.0 C A:TYR27 3.5 12.0 1.0 C A:GLY29 3.6 34.2 1.0 N A:GLY31 3.8 19.6 1.0 N A:GLY29 3.9 17.2 1.0 CA A:GLY31 4.1 18.6 1.0 CA A:TYR27 4.2 9.5 1.0 O A:HOH206 4.2 22.7 1.0 CB A:ASP48 4.3 6.5 1.0 C A:ARG30 4.4 31.0 1.0 CA A:GLY29 4.4 28.6 1.0 O A:HOH204 4.4 24.3 1.0 N A:GLY32 4.4 20.9 1.0 N A:CYS28 4.5 9.0 1.0 C A:CYS28 4.5 19.2 1.0 O A:HOH209 4.6 24.0 1.0 N A:ARG30 4.6 43.6 1.0 CA A:CYS28 4.6 8.5 1.0 O A:HOH321 4.6 47.8 1.0 CB A:TYR27 4.7 10.4 1.0 O A:HOH328 4.7 45.7 0.8 CA A:GLY32 4.8 18.4 1.0 CA A:ARG30 4.8 38.7 1.0 O A:CYS44 5.0 9.3 1.0 O A:ARG30 5.0 45.8 1.0

Calcium binding site 2 out of 2 in the Interfacial Catalysis: the Mechanism of Phospholipase A2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Interfacial Catalysis: the Mechanism of Phospholipase A2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca401 b:20.4 occ:0.76 O A:HOH238 2.4 17.9 1.0 O A:HOH239 2.4 28.3 0.8 OD2 A:ASP23 2.4 35.3 1.0 ND2 A:ASN111 2.4 17.5 1.0 O A:HOH240 2.4 20.4 0.7 O A:HOH247 2.5 38.3 1.0 OD1 A:ASP23 2.6 21.5 1.0 CG A:ASP23 2.9 18.1 1.0 CG A:ASN111 3.6 28.4 1.0 O A:HOH244 3.9 41.1 0.8 CA A:ASN111 4.1 19.5 1.0 CB A:ASN111 4.4 19.0 1.0 CB A:ASP23 4.4 13.5 1.0 O A:HOH242 4.4 11.7 1.0 O A:HOH243 4.4 55.1 1.0 OD1 A:ASN111 4.5 38.5 1.0 C A:ASN111 4.6 10.4 1.0 O A:ILE112 4.7 11.3 1.0 O A:HOH337 4.7 54.7 0.9 O A:HOH336 4.7 80.3 1.0 CD1 A:LEU114 4.9 17.6 1.0 N A:ILE112 5.0 10.9 1.0

D.L.Scott, S.P.White, Z.Otwinowski, W.Yuan, M.H.Gelb, P.B.Sigler. Interfacial Catalysis: the Mechanism of Phospholipase A2. Science V. 250 1541 1990.
ISSN: ISSN 0036-8075
PubMed: 2274785