Calcium in PDB 1fw2: Outer Membrane Phospholipase A From Escherichia Coli

All present enzymatic activity of Outer Membrane Phospholipase A From Escherichia Coli:
3.1.1.32;

The structure of Outer Membrane Phospholipase A From Escherichia Coli, PDB code: 1fw2 was solved by H.J.Snijder, R.L.Kingma, K.H.Kalk, N.Dekker, M.R.Egmond, B.W.Dijkstra, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.60
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	77.532, 77.532, 100.525, 90.00, 90.00, 120.00
R / Rfree (%)	22.2 / 29.8

The binding sites of Calcium atom in the Outer Membrane Phospholipase A From Escherichia Coli (pdb code 1fw2). 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 Outer Membrane Phospholipase A From Escherichia Coli, PDB code: 1fw2:

Calcium binding site 1 out of 1 in the Outer Membrane Phospholipase A From Escherichia Coli


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Outer Membrane Phospholipase A From Escherichia Coli within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca337 b:91.5 occ:1.00 OD1 A:ASP184 2.5 71.6 1.0 CG A:ASP184 3.4 71.6 1.0 OD1 A:ASP149 3.5 91.2 1.0 OD2 A:ASP184 3.9 71.6 1.0 OD1 A:ASP183 3.9 75.8 1.0 CG A:ASP149 3.9 91.2 1.0 CB A:ASP149 4.4 91.2 1.0 OD2 A:ASP149 4.5 91.2 1.0 OG A:SER152 4.5 79.1 1.0 CG A:ASP183 4.6 75.8 1.0 CB A:ASP184 4.6 71.6 1.0 CA A:ASP184 4.6 71.6 1.0 CB A:SER152 4.7 79.1 1.0 N A:ASP184 4.8 71.6 1.0 OD2 A:ASP183 4.8 75.8 1.0

H.J.Snijder, R.L.Kingma, K.H.Kalk, N.Dekker, M.R.Egmond, B.W.Dijkstra. Structural Investigations of Calcium Binding and Its Role in Activity and Activation of Outer Membrane Phospholipase A From Escherichia Coli. J.Mol.Biol. V. 309 477 2001.
ISSN: ISSN 0022-2836
PubMed: 11371166
DOI: 10.1006/JMBI.2001.4675