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Zinc in PDB 4f2q: Quisqualate Bound to the D655A Mutant of the Ligand Binding Domain of GLUA3

Protein crystallography data

The structure of Quisqualate Bound to the D655A Mutant of the Ligand Binding Domain of GLUA3, PDB code: 4f2q was solved by A.H.Ahmed, R.E.Oswald, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 22.66 / 2.20
Space group P 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 47.660, 48.027, 136.861, 90.00, 90.00, 90.00
R / Rfree (%) 19.5 / 26.1

Zinc Binding Sites:

The binding sites of Zinc atom in the Quisqualate Bound to the D655A Mutant of the Ligand Binding Domain of GLUA3 (pdb code 4f2q). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Quisqualate Bound to the D655A Mutant of the Ligand Binding Domain of GLUA3, PDB code: 4f2q:

Zinc binding site 1 out of 1 in 4f2q

Go back to Zinc Binding Sites List in 4f2q
Zinc binding site 1 out of 1 in the Quisqualate Bound to the D655A Mutant of the Ligand Binding Domain of GLUA3


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Quisqualate Bound to the D655A Mutant of the Ligand Binding Domain of GLUA3 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn302

b:41.9
occ:1.00
NE2 A:HIS23 2.3 39.0 1.0
CE1 A:HIS23 2.8 38.9 1.0
CD2 A:HIS23 3.5 38.5 1.0
ND1 A:HIS23 4.1 38.6 1.0
OE2 A:GLU24 4.3 43.3 1.0
CG A:HIS23 4.4 38.1 1.0
CD2 A:TYR19 4.5 35.8 1.0
CG A:GLU24 4.5 41.3 1.0
CD A:GLU24 4.6 42.5 1.0
CG A:TYR19 4.9 34.6 1.0
CE2 A:TYR19 4.9 34.4 1.0

Reference:

S.M.Holley, A.H.Ahmed, J.Srinivasan, S.E.Murthy, G.A.Weiland, R.E.Oswald, L.M.Nowak. The Loss of An Electrostatic Contact Unique to Ampa Receptor Ligand Binding Domain 2 Slows Channel Activation. Biochemistry V. 51 4015 2012.
ISSN: ISSN 0006-2960
PubMed: 22512472
DOI: 10.1021/BI3001837
Page generated: Wed Dec 16 05:16:45 2020

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