Zinc in PDB 1q14: Structure and Autoregulation of the Yeast HST2 Homolog of SIR2

The structure of Structure and Autoregulation of the Yeast HST2 Homolog of SIR2, PDB code: 1q14 was solved by K.Zhao, X.Chai, A.Clements, R.Marmorstein, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.50
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	103.554, 103.554, 177.346, 90.00, 90.00, 120.00
R / Rfree (%)	21.9 / 25.1

The structure of Structure and Autoregulation of the Yeast HST2 Homolog of SIR2 also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Zinc atom in the Structure and Autoregulation of the Yeast HST2 Homolog of SIR2 (pdb code 1q14). 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 Structure and Autoregulation of the Yeast HST2 Homolog of SIR2, PDB code: 1q14:

Zinc binding site 1 out of 1 in the Structure and Autoregulation of the Yeast HST2 Homolog of SIR2


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Structure and Autoregulation of the Yeast HST2 Homolog of SIR2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn2003 b:66.0 occ:1.00 SG A:CYS173 2.2 74.8 1.0 SG A:CYS146 2.4 63.1 1.0 SG A:CYS170 2.5 69.2 1.0 SG A:CYS143 2.6 50.2 1.0 CB A:CYS146 3.1 59.3 1.0 CB A:CYS173 3.2 76.8 1.0 CB A:CYS170 3.2 71.4 1.0 N A:CYS146 3.3 60.4 1.0 CB A:CYS143 3.4 44.0 1.0 CG1 A:VAL172 3.5 86.0 1.0 CA A:CYS146 3.8 59.6 1.0 N A:CYS173 3.8 79.1 1.0 CA A:CYS173 4.1 77.6 1.0 C A:GLY145 4.3 60.1 1.0 CB A:LYS148 4.6 64.2 1.0 CA A:GLY145 4.6 59.3 1.0 C A:CYS146 4.6 58.7 1.0 N A:GLY147 4.6 57.9 1.0 CA A:CYS170 4.7 71.6 1.0 C A:CYS173 4.7 76.9 1.0 CB A:GLU175 4.8 84.9 1.0 N A:GLY145 4.8 57.9 1.0 C A:VAL172 4.8 82.3 1.0 CA A:CYS143 4.9 45.5 1.0 N A:LYS148 4.9 57.4 1.0 CB A:VAL172 4.9 83.3 1.0 N A:GLY174 4.9 77.7 1.0 N A:GLU175 5.0 77.3 1.0

K.Zhao, X.Chai, A.Clements, R.Marmorstein. Structure and Autoregulation of the Yeast HST2 Homolog of SIR2 Nat.Struct.Biol. V. 10 864 2003.
ISSN: ISSN 1072-8368
PubMed: 14502267
DOI: 10.1038/NSB978