Zinc in PDB 4qa2: Crystal Structure of I243N HDAC8 in Complex with Saha

All present enzymatic activity of Crystal Structure of I243N HDAC8 in Complex with Saha:
3.5.1.98;

The structure of Crystal Structure of I243N HDAC8 in Complex with Saha, PDB code: 4qa2 was solved by C.Decroos, C.B.Bowman, J.-A.S.Moser, K.E.Christianson, M.A.Deardorff, D.W.Christianson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.66 / 2.38
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	53.017, 84.057, 94.381, 90.00, 98.60, 90.00
R / Rfree (%)	17 / 21.7

The structure of Crystal Structure of I243N HDAC8 in Complex with Saha also contains other interesting chemical elements:

Potassium

(K)

4 atoms

The binding sites of Zinc atom in the Crystal Structure of I243N HDAC8 in Complex with Saha (pdb code 4qa2). 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 I243N HDAC8 in Complex with Saha, PDB code: 4qa2:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Crystal Structure of I243N HDAC8 in Complex with Saha


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 I243N HDAC8 in Complex with Saha within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn403 b:27.6 occ:1.00 OD2 A:ASP178 2.0 27.2 1.0 OD1 A:ASP267 2.1 26.5 1.0 ND1 A:HIS180 2.1 24.2 1.0 O2 A:SHH404 2.1 32.7 1.0 O1 A:SHH404 2.2 36.0 1.0 C1 A:SHH404 2.7 30.7 1.0 N1 A:SHH404 2.8 27.2 1.0 CG A:ASP178 2.9 25.6 1.0 CE1 A:HIS180 2.9 26.6 1.0 OD1 A:ASP178 3.0 27.3 1.0 CG A:ASP267 3.1 27.6 1.0 CG A:HIS180 3.1 24.4 1.0 OD2 A:ASP267 3.4 29.2 1.0 CB A:HIS180 3.6 21.4 1.0 N A:HIS180 3.7 26.8 1.0 NE2 A:HIS180 4.0 23.9 1.0 CA A:GLY304 4.1 23.9 1.0 C2 A:SHH404 4.1 25.5 1.0 CD2 A:HIS180 4.2 24.5 1.0 N A:LEU179 4.2 27.9 1.0 CB A:ASP178 4.3 21.7 1.0 CA A:HIS180 4.3 21.1 1.0 CB A:ASP267 4.4 26.3 1.0 N A:GLY304 4.4 24.0 1.0 CB A:LEU179 4.4 25.0 1.0 OH A:TYR306 4.5 25.4 1.0 NE2 A:HIS142 4.6 21.2 1.0 C A:LEU179 4.6 26.7 1.0 CA A:LEU179 4.6 23.1 1.0 C3 A:SHH404 4.7 44.7 1.0 CE1 A:TYR306 4.9 32.0 1.0 C A:ASP178 4.9 27.7 1.0

Zinc binding site 2 out of 2 in the Crystal Structure of I243N HDAC8 in Complex with Saha


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 I243N HDAC8 in Complex with Saha within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn403 b:27.3 occ:1.00 OD1 B:ASP178 2.0 25.2 1.0 OD2 B:ASP267 2.0 26.5 1.0 O1 B:SHH404 2.1 35.5 1.0 O2 B:SHH404 2.2 34.9 1.0 ND1 B:HIS180 2.2 24.3 1.0 C1 B:SHH404 2.7 32.8 1.0 N1 B:SHH404 2.7 24.0 1.0 CG B:ASP178 2.9 29.1 1.0 CG B:ASP267 3.1 26.7 1.0 CE1 B:HIS180 3.1 28.0 1.0 OD2 B:ASP178 3.1 24.8 1.0 CG B:HIS180 3.3 26.5 1.0 OD1 B:ASP267 3.5 29.9 1.0 CB B:HIS180 3.6 23.1 1.0 N B:HIS180 3.8 21.3 1.0 CA B:GLY304 4.1 19.9 1.0 C2 B:SHH404 4.2 41.0 1.0 N B:LEU179 4.2 26.3 1.0 NE2 B:HIS180 4.2 25.7 1.0 CB B:ASP178 4.3 22.4 1.0 CD2 B:HIS180 4.3 25.0 1.0 CA B:HIS180 4.3 24.2 1.0 CB B:ASP267 4.4 21.4 1.0 N B:GLY304 4.5 28.3 1.0 CB B:LEU179 4.5 27.8 1.0 NE2 B:HIS142 4.5 22.4 1.0 C3 B:SHH404 4.6 39.2 1.0 C B:LEU179 4.6 26.9 1.0 OH B:TYR306 4.6 29.8 1.0 CA B:LEU179 4.7 24.1 1.0 CE1 B:TYR306 4.8 23.0 1.0 CE1 B:HIS142 4.9 24.0 1.0 C B:ASP178 4.9 28.4 1.0

C.Decroos, C.M.Bowman, J.A.Moser, K.E.Christianson, M.A.Deardorff, D.W.Christianson. Compromised Structure and Function of HDAC8 Mutants Identified in Cornelia De Lange Syndrome Spectrum Disorders. Acs Chem.Biol. V. 9 2157 2014.
ISSN: ISSN 1554-8929
PubMed: 25075551
DOI: 10.1021/CB5003762