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

Protein crystallography data

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

Zinc Binding Sites:

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 1i4h

Go back to Zinc Binding Sites List in 1i4h
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 1i4h

Go back to Zinc Binding Sites List in 1i4h
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

Reference:

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
Page generated: Wed Dec 16 02:52:15 2020

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