Zinc in PDB 1i4h: Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A

The structure of Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A, PDB code: 1i4h was solved by M.Hakansson, P.Antonsson, P.Bjork, L.A.Svensson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	74.110, 85.060, 86.540, 90.00, 90.00, 90.00
R / Rfree (%)	20.8 / 28.1

The binding sites of Zinc atom in the Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A (pdb code 1i4h). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A, PDB code: 1i4h:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn301 b:36.8 occ:1.00 OD2 A:ASP227 1.9 31.3 1.0 NE2 A:HIS225 2.2 26.0 1.0 CG A:ASP227 2.8 31.3 1.0 OD1 A:ASP227 3.1 31.3 1.0 CD2 A:HIS225 3.2 26.0 1.0 CE1 A:HIS225 3.2 26.0 1.0 CB A:ASP227 4.2 31.3 1.0 CB A:ALA187 4.2 3.1 1.0 ND1 A:HIS225 4.2 26.0 1.0 CG A:HIS225 4.3 26.0 1.0 ND2 A:ASN128 4.5 24.0 1.0

Zinc binding site 2 out of 2 in the Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Crystal Structure of ZN2+ Soaked Staphylococcal Enterotoxin A Mutant H187A within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn302 b:36.8 occ:0.98 OD2 B:ASP227 1.9 33.5 1.0 NE2 B:HIS225 2.2 42.1 1.0 CG B:ASP227 2.8 33.5 1.0 CD2 B:HIS225 3.0 42.1 1.0 OD1 B:ASP227 3.1 33.5 1.0 CE1 B:HIS225 3.4 42.1 1.0 CB B:ASP227 4.2 33.5 1.0 CG B:HIS225 4.2 42.1 1.0 ND1 B:HIS225 4.4 42.1 1.0 ND2 B:ASN128 4.4 38.5 1.0 CB B:ALA187 4.8 25.2 1.0

M.Hakansson, P.Antonsson, P.Bjork, L.A.Svensson. Cooperative Zinc Binding in A Staphylococcal Enterotoxin A Mutant Mimics the Sea-Mhc Class II Interaction J.Biol.Inorg.Chem. V. 6 757 2001.
ISSN: ISSN 0949-8257
PubMed: 11713682
DOI: 10.1007/S007750100251