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Zinc in PDB 4f1y: Cnqx Bound to the Ligand Binding Domain of GLUA3

Protein crystallography data

The structure of Cnqx Bound to the Ligand Binding Domain of GLUA3, PDB code: 4f1y 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) 26.78 / 1.79
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 50.183, 96.846, 62.229, 90.00, 107.15, 90.00
R / Rfree (%) 20.6 / 25.1

Zinc Binding Sites:

The binding sites of Zinc atom in the Cnqx Bound to the Ligand Binding Domain of GLUA3 (pdb code 4f1y). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Cnqx Bound to the Ligand Binding Domain of GLUA3, PDB code: 4f1y:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in 4f1y

Go back to Zinc Binding Sites List in 4f1y
Zinc binding site 1 out of 2 in the Cnqx Bound to 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 Cnqx Bound to the Ligand Binding Domain of GLUA3 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn402

b:31.1
occ:1.00
O A:HOH729 2.4 41.4 1.0
NE2 A:HIS23 2.6 41.8 1.0
CE1 A:HIS23 3.2 39.5 1.0
CD2 A:HIS23 3.8 39.8 1.0
CE2 A:TYR19 4.0 36.5 1.0
CZ A:TYR19 4.2 31.7 1.0
OE1 A:GLU24 4.2 46.5 1.0
CD2 A:TYR19 4.3 35.6 1.0
ND1 A:HIS23 4.4 45.8 1.0
OH A:TYR19 4.5 37.7 1.0
CE1 A:TYR19 4.6 34.5 1.0
CG A:HIS23 4.7 40.4 1.0
CG A:TYR19 4.8 35.5 1.0
CD A:GLU24 4.8 47.7 1.0
CD1 A:TYR19 4.9 33.9 1.0
OE2 A:GLU24 4.9 51.5 1.0

Zinc binding site 2 out of 2 in 4f1y

Go back to Zinc Binding Sites List in 4f1y
Zinc binding site 2 out of 2 in the Cnqx Bound to 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 2 of Cnqx Bound to the Ligand Binding Domain of GLUA3 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn403

b:37.6
occ:1.00
NE2 A:HIS46 2.7 42.3 1.0
OE1 A:GLU42 3.0 40.1 1.0
NZ A:LYS45 3.1 52.7 1.0
CD2 A:HIS46 3.3 41.6 1.0
CE A:LYS45 3.5 49.1 1.0
CD1 A:LEU246 3.6 20.0 1.0
OE1 A:GLN244 3.7 40.8 1.0
CD2 A:LEU241 3.8 28.1 1.0
CE1 A:HIS46 3.9 38.8 1.0
CD A:GLU42 4.1 40.2 1.0
CG A:HIS46 4.6 39.9 1.0
CD A:GLN244 4.7 41.5 1.0
OE2 A:GLU42 4.8 42.1 1.0
CB A:GLU42 4.8 25.5 1.0
ND1 A:HIS46 4.8 39.8 1.0
CD A:LYS45 4.8 47.8 1.0
O A:GLU42 4.9 33.5 1.0
CG A:LEU246 4.9 20.0 1.0
NE2 A:GLN244 5.0 44.4 1.0
CG A:GLU42 5.0 33.0 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: Sat Oct 26 22:14:42 2024

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