Calcium in PDB 2qog: Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus.

All present enzymatic activity of Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus.:
3.1.1.4;

The structure of Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus., PDB code: 2qog was solved by D.P.Marchi-Salvador, L.C.Correa, M.R.M.Fontes, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.93 / 2.28
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	72.895, 81.159, 100.039, 90.00, 90.00, 90.00
R / Rfree (%)	22.8 / 26

The binding sites of Calcium atom in the Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus. (pdb code 2qog). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus., PDB code: 2qog:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus. within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca134 b:55.9 occ:1.00 O B:TYR28 2.7 42.8 1.0 O B:GLY30 2.8 58.9 1.0 OD1 B:ASP49 2.8 39.8 1.0 O B:GLY32 2.9 65.4 1.0 OD2 B:ASP49 3.0 38.0 1.0 O B:HOH188 3.2 55.1 1.0 CG B:ASP49 3.2 36.4 1.0 C B:GLY30 3.7 59.0 1.0 C B:GLY32 3.7 64.2 1.0 N B:GLY32 3.8 65.5 1.0 C B:TYR28 3.9 43.1 1.0 O B:HOH171 4.1 45.3 1.0 C B:CYS29 4.3 47.7 1.0 N B:GLY30 4.3 51.2 1.0 CA B:GLY32 4.4 65.4 1.0 O B:HOH214 4.4 47.7 1.0 O B:HOH141 4.4 27.4 1.0 O B:CYS29 4.4 48.0 1.0 N B:TRP31 4.5 61.1 1.0 C B:TRP31 4.5 65.6 1.0 CA B:TRP31 4.6 64.0 1.0 CA B:GLY30 4.6 56.7 1.0 CB B:ASP49 4.6 33.1 1.0 N B:GLY33 4.6 63.0 1.0 CA B:TYR28 4.6 44.4 1.0 O B:HOH170 4.8 52.1 1.0 N B:CYS29 4.8 44.0 1.0 CA B:GLY33 4.8 61.9 1.0 CA B:CYS29 4.8 45.0 1.0

Calcium binding site 2 out of 2 in the Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crotoxin B, the Basic PLA2 From Crotalus Durissus Terrificus. within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca134 b:67.2 occ:1.00 O C:GLY30 2.7 63.6 1.0 O C:TYR28 2.8 47.9 1.0 OD1 C:ASP49 2.9 46.1 1.0 O C:GLY32 3.0 70.5 1.0 OD2 C:ASP49 3.0 44.3 1.0 CG C:ASP49 3.3 43.7 1.0 O C:HOH160 3.4 45.6 1.0 C C:GLY30 3.6 63.5 1.0 N C:GLY32 3.7 68.8 1.0 C C:GLY32 3.8 69.4 1.0 O C:CYS29 3.8 51.6 1.0 C C:TYR28 3.9 47.4 1.0 C C:TRP31 4.0 68.5 1.0 CA C:TRP31 4.1 67.6 1.0 O C:HOH185 4.1 47.7 1.0 C C:CYS29 4.2 51.5 1.0 N C:TRP31 4.2 65.1 1.0 CA C:GLY32 4.3 69.5 1.0 N C:GLY30 4.6 55.6 1.0 O C:HOH223 4.6 65.6 1.0 CA C:TYR28 4.6 47.6 1.0 CA C:GLY30 4.7 60.5 1.0 CB C:ASP49 4.7 42.3 1.0 N C:GLY33 4.8 69.5 1.0 O C:TRP31 4.8 68.6 1.0 N C:CYS29 4.8 47.1 1.0 CA C:CYS29 4.8 47.8 1.0

D.P.Marchi-Salvador, L.C.Correa, A.J.Magro, C.Z.Oliveira, A.M.Soares, M.R.Fontes. Insights Into the Role of Oligomeric State on the Biological Activities of Crotoxin: Crystal Structure of A Tetrameric Phospholipase A2 Formed By Two Isoforms of Crotoxin B From Crotalus Durissus Terrificus Venom. Proteins V. 72 883 2008.
ISSN: ISSN 0887-3585
PubMed: 18275084
DOI: 10.1002/PROT.21980