Zinc in PDB 1sxt: Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc

The structure of Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc, PDB code: 1sxt was solved by S.M.Sundstrom, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	18.00 / 2.70
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	75.590, 75.590, 175.310, 90.00, 90.00, 120.00
R / Rfree (%)	20.6 / 31.7

The binding sites of Zinc atom in the Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc (pdb code 1sxt). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc, PDB code: 1sxt:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn401 b:13.5 occ:1.00 ND1 B:HIS187 2.1 18.1 1.0 NE2 B:HIS225 2.2 2.0 1.0 CE1 A:HIS61 2.3 6.0 1.0 OD2 B:ASP227 2.4 2.0 1.0 CE1 B:HIS187 2.5 17.2 1.0 NE2 A:HIS61 2.6 5.0 1.0 CE1 B:HIS225 2.7 2.0 1.0 CG B:ASP227 2.9 7.7 1.0 OD1 B:ASP227 2.9 13.5 1.0 CG B:HIS187 3.2 15.4 1.0 CD2 B:HIS225 3.3 2.0 1.0 NE2 B:HIS187 3.5 17.4 1.0 ND1 A:HIS61 3.6 5.9 1.0 CD2 B:HIS187 3.9 16.0 1.0 ND1 B:HIS225 3.9 2.0 1.0 CB B:HIS187 3.9 12.2 1.0 CD2 A:HIS61 4.0 6.7 1.0 CG B:HIS225 4.2 2.0 1.0 CB B:ASP227 4.2 9.5 1.0 CG A:HIS61 4.4 7.2 1.0 ND2 B:ASN128 4.5 2.8 1.0

Zinc binding site 2 out of 2 in the Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Staphylococcal Enterotoxin Type A (Sea) Co-Crystallised with Zinc within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn501 b:27.2 occ:1.00 OD2 A:ASP227 2.2 11.5 1.0 NE2 A:HIS225 2.3 14.7 1.0 ND1 A:HIS187 2.4 8.7 1.0 CG A:ASP227 2.9 15.3 1.0 OD1 A:ASP227 3.0 31.9 1.0 CD2 A:HIS225 3.2 16.7 1.0 CE1 A:HIS225 3.2 17.4 1.0 CG A:HIS187 3.3 7.3 1.0 CE1 A:HIS187 3.4 8.7 1.0 CB A:HIS187 3.5 10.8 1.0 CG A:HIS225 4.3 15.6 1.0 ND1 A:HIS225 4.3 17.6 1.0 CB A:ASP227 4.3 5.2 1.0 ND2 A:ASN128 4.4 2.0 1.0 CD2 A:HIS187 4.5 9.0 1.0 NE2 A:HIS187 4.5 9.2 1.0 CA A:HIS187 5.0 10.7 1.0

M.Sundstrom, D.Hallen, A.Svensson, E.Schad, M.Dohlsten, L.Abrahmsen. The Co-Crystal Structure of Staphylococcal Enterotoxin Type A with ZN2+ at 2.7 A Resolution. Implications For Major Histocompatibility Complex Class II Binding. J.Biol.Chem. V. 271 32212 1996.
ISSN: ISSN 0021-9258
PubMed: 8943278
DOI: 10.1074/JBC.271.50.32212