Cadmium in PDB 1esf: Staphylococcal Enterotoxin A

The structure of Staphylococcal Enterotoxin A, PDB code: 1esf was solved by E.M.Schad, L.A.Svensson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.90
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	53.600, 62.500, 75.100, 90.00, 96.00, 90.00
R / Rfree (%)	20.4 / 27.7

The binding sites of Cadmium atom in the Staphylococcal Enterotoxin A (pdb code 1esf). This binding sites where shown within 5.0 Angstroms radius around Cadmium atom.
In total 2 binding sites of Cadmium where determined in the Staphylococcal Enterotoxin A, PDB code: 1esf:
Jump to Cadmium binding site number: 1; 2;

Cadmium binding site 1 out of 2 in the Staphylococcal Enterotoxin A


Mono view


Stereo pair view

A full contact list of Cadmium with other atoms in the Cd binding site number 1 of Staphylococcal Enterotoxin A within 5.0Å range: probe atom residue distance (Å) B Occ A:Cd240 b:24.3 occ:1.00 NE2 A:HIS225 2.3 20.8 1.0 OG A:SER1 2.4 34.5 1.0 ND1 A:HIS187 2.4 34.2 1.0 OD2 A:ASP227 2.4 19.4 1.0 N A:SER1 2.5 34.9 1.0 OD1 A:ASP227 2.9 23.3 1.0 CG A:ASP227 3.0 18.2 1.0 O A:HOH752 3.1 62.0 1.0 CA A:SER1 3.1 37.3 1.0 CB A:SER1 3.2 38.7 1.0 CE1 A:HIS187 3.2 36.3 1.0 CE1 A:HIS225 3.3 18.9 1.0 CD2 A:HIS225 3.3 17.8 1.0 CG A:HIS187 3.4 30.9 1.0 CB A:HIS187 3.8 25.9 1.0 O A:HOH619 4.1 22.4 1.0 ND2 A:ASN128 4.3 24.7 1.0 ND1 A:HIS225 4.4 19.4 1.0 NE2 A:HIS187 4.4 36.0 1.0 CB A:ASP227 4.4 14.9 1.0 CG A:HIS225 4.4 17.8 1.0 CD2 A:HIS187 4.5 35.5 1.0 C A:SER1 4.5 39.6 1.0

Cadmium binding site 2 out of 2 in the Staphylococcal Enterotoxin A


Mono view


Stereo pair view

A full contact list of Cadmium with other atoms in the Cd binding site number 2 of Staphylococcal Enterotoxin A within 5.0Å range: probe atom residue distance (Å) B Occ B:Cd240 b:28.5 occ:1.00 NE2 B:HIS225 2.3 23.1 1.0 ND1 B:HIS187 2.3 30.9 1.0 N B:SER1 2.3 26.7 1.0 OD2 B:ASP227 2.4 26.6 1.0 OG B:SER1 2.4 30.3 1.0 CE1 B:HIS187 3.1 31.4 1.0 CE1 B:HIS225 3.1 24.3 1.0 CA B:SER1 3.1 30.0 1.0 CG B:ASP227 3.1 23.3 1.0 OD1 B:ASP227 3.2 23.6 1.0 CB B:SER1 3.3 31.5 1.0 CD2 B:HIS225 3.3 24.8 1.0 CG B:HIS187 3.4 29.3 1.0 CB B:HIS187 3.8 27.6 1.0 NE2 B:HIS187 4.2 32.3 1.0 ND1 B:HIS225 4.3 25.5 1.0 O B:HOH624 4.3 22.7 1.0 CD2 B:HIS187 4.4 32.2 1.0 CG B:HIS225 4.4 24.1 1.0 CB B:ASP227 4.5 19.6 1.0 C B:SER1 4.6 33.1 1.0 ND2 B:ASN128 4.7 26.2 1.0

E.M.Schad, I.Zaitseva, V.N.Zaitsev, M.Dohlsten, T.Kalland, P.M.Schlievert, D.H.Ohlendorf, L.A.Svensson. Crystal Structure of the Superantigen Staphylococcal Enterotoxin Type A. Embo J. V. 14 3292 1995.
ISSN: ISSN 0261-4189
PubMed: 7628431