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Calcium in PDB 7ezz: Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium

Enzymatic activity of Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium

All present enzymatic activity of Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium:
3.1.1.32; 3.1.1.4;

Protein crystallography data

The structure of Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium, PDB code: 7ezz was solved by P.Perumal, R.Raina, N.S.Sreeshma, A.Arockiasamy, N.Sundarabaalaji, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 47.87 / 2.76
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 79.584, 83.448, 95.644, 90, 90, 90
R / Rfree (%) 22.4 / 27.2

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium (pdb code 7ezz). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium, PDB code: 7ezz:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 7ezz

Go back to Calcium Binding Sites List in 7ezz
Calcium binding site 1 out of 2 in the Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca304

b:55.8
occ:1.00
OG A:SER172 2.3 25.5 1.0
O A:ARG167 2.7 26.7 1.0
O B:HOH418 2.7 30.7 1.0
O B:SER126 2.8 27.4 1.0
CB A:SER172 3.6 23.4 1.0
C B:SER126 3.9 26.1 1.0
CB B:SER126 3.9 26.9 1.0
C A:ARG167 3.9 25.9 1.0
N A:ARG167 4.0 22.7 1.0
CA A:SER172 4.1 22.5 1.0
OD1 A:ASN165 4.2 18.7 1.0
N A:ARG173 4.4 18.8 1.0
O A:ARG173 4.5 18.3 1.0
O B:SER127 4.5 26.5 1.0
CA B:SER126 4.5 25.1 1.0
OD2 A:ASP204 4.5 36.1 1.0
CA A:ARG167 4.6 24.0 1.0
N A:GLY166 4.6 23.9 1.0
C A:GLY166 4.7 22.2 1.0
C A:SER172 4.7 20.6 1.0
OG B:SER126 4.8 32.1 1.0
C B:SER127 4.8 24.2 1.0
CA A:GLY166 4.8 23.1 1.0
CB A:SER164 4.9 23.2 1.0
CB A:SER174 4.9 20.9 1.0
N A:SER168 5.0 26.9 1.0
N B:SER127 5.0 27.9 1.0

Calcium binding site 2 out of 2 in 7ezz

Go back to Calcium Binding Sites List in 7ezz
Calcium binding site 2 out of 2 in the Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca302

b:67.4
occ:1.00
O B:ARG167 2.4 33.8 1.0
OG B:SER172 2.5 28.0 1.0
O A:SER126 2.6 45.8 1.0
C B:ARG167 3.6 30.7 1.0
C A:SER126 3.7 33.0 1.0
N B:ARG167 3.7 24.4 1.0
CB B:SER172 3.8 26.8 1.0
CB A:SER126 4.0 30.5 1.0
O A:SER127 4.0 27.6 1.0
OG B:SER164 4.1 29.2 1.0
CA B:ARG167 4.3 27.2 1.0
C B:GLY166 4.3 20.9 1.0
C A:SER127 4.4 25.6 1.0
CA A:SER126 4.4 30.8 1.0
O B:HOH415 4.5 41.4 1.0
CA B:GLY166 4.5 21.7 1.0
N B:GLY166 4.6 22.0 1.0
CA B:SER172 4.6 27.9 1.0
OD1 B:ASN165 4.6 20.9 1.0
N B:SER168 4.7 31.3 1.0
N A:SER127 4.7 29.4 1.0
OG A:SER126 4.9 32.0 1.0
N A:PRO128 4.9 24.1 1.0
CA A:SER127 4.9 27.9 1.0
O B:GLY166 5.0 19.9 1.0

Reference:

P.Perumal, R.Raina, N.S.Sreeshma, A.Arockiasamy, N.Sundarabaalaji. Crystal Structure of Salmonella Typhi Outer Membrane Phospholipase (Ompla) Dimer with Bound Calcium To Be Published.
Page generated: Wed Jul 9 21:57:39 2025

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