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Calcium in PDB 8a0b: Inhibitor Binding to HDAC2

Enzymatic activity of Inhibitor Binding to HDAC2

All present enzymatic activity of Inhibitor Binding to HDAC2:
3.5.1.98;

Protein crystallography data

The structure of Inhibitor Binding to HDAC2, PDB code: 8a0b was solved by A.Cleasby, D.Tisi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 67.17 / 1.75
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 92.221, 98.018, 139.402, 90, 90, 90
R / Rfree (%) 16.5 / 18.8

Other elements in 8a0b:

The structure of Inhibitor Binding to HDAC2 also contains other interesting chemical elements:

Sodium (Na) 3 atoms
Zinc (Zn) 3 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Inhibitor Binding to HDAC2 (pdb code 8a0b). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Inhibitor Binding to HDAC2, PDB code: 8a0b:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in 8a0b

Go back to Calcium Binding Sites List in 8a0b
Calcium binding site 1 out of 3 in the Inhibitor Binding to HDAC2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Inhibitor Binding to HDAC2 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca602

b:28.7
occ:1.00
 OD1 A:ASP179 2.4 19.6 1.0
O A:PHE203 2.4 21.8 1.0
O A:ASP181 2.4 19.1 1.0
O A:HIS183 2.6 21.6 1.0
O A:ASP179 2.9 20.3 1.0
OG A:SER202 3.0 20.8 1.0
CG A:ASP179 3.2 20.7 1.0
C A:ASP181 3.4 19.0 1.0
C A:PHE203 3.5 22.1 1.0
C A:ASP179 3.5 20.4 1.0
C A:HIS183 3.6 20.4 1.0
N A:ASP181 3.7 19.0 1.0
CB A:HIS204 3.8 20.0 1.0
CB A:ASP179 3.8 19.1 1.0
N A:PHE203 3.9 20.3 1.0
CA A:ASP181 3.9 18.8 1.0
CB A:ASP181 4.0 17.9 1.0
C A:ILE180 4.1 19.4 1.0
N A:ILE180 4.1 19.5 1.0
OD2 A:ASP179 4.1 20.1 1.0
CB A:SER202 4.2 21.1 1.0
CA A:ILE180 4.2 19.0 1.0
CA A:HIS204 4.3 20.0 1.0
CA A:ASP179 4.3 18.9 1.0
ND1 A:HIS204 4.3 21.7 1.0
N A:HIS183 4.3 19.1 1.0
N A:HIS204 4.3 20.4 1.0
N A:HIS184 4.4 20.6 1.0
CA A:PHE203 4.4 19.8 1.0
CA A:HIS184 4.4 20.7 1.0
O A:HOH755 4.4 21.6 1.0
N A:GLY185 4.5 19.7 1.0
C A:ILE182 4.5 19.6 1.0
CA A:SER202 4.5 21.1 1.0
N A:ILE182 4.5 19.9 1.0
C A:SER202 4.5 21.6 1.0
CG A:HIS204 4.6 21.6 1.0
CA A:HIS183 4.6 20.6 1.0
C A:HIS184 4.7 20.8 1.0
O A:ILE180 4.8 19.0 1.0
O A:ILE182 4.9 20.6 1.0
CA A:ILE182 4.9 19.6 1.0
CE1 A:HIS145 4.9 19.1 1.0

Calcium binding site 2 out of 3 in 8a0b

Go back to Calcium Binding Sites List in 8a0b
Calcium binding site 2 out of 3 in the Inhibitor Binding to HDAC2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Inhibitor Binding to HDAC2 within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca602

b:28.2
occ:1.00
 OD1 B:ASP179 2.4 17.9 1.0
O B:ASP181 2.4 17.6 1.0
O B:PHE203 2.4 18.2 1.0
O B:HIS183 2.6 18.7 1.0
O B:ASP179 3.0 17.6 1.0
OG B:SER202 3.0 20.2 1.0
CG B:ASP179 3.2 18.0 1.0
C B:ASP181 3.4 17.4 1.0
C B:ASP179 3.5 17.4 1.0
C B:PHE203 3.5 18.9 1.0
N B:ASP181 3.6 16.3 1.0
C B:HIS183 3.6 18.6 1.0
CB B:HIS204 3.8 18.3 1.0
CB B:ASP179 3.8 16.6 1.0
CA B:ASP181 3.9 16.4 1.0
N B:PHE203 3.9 18.8 1.0
CB B:ASP181 4.0 15.8 1.0
C B:ILE180 4.1 17.6 1.0
N B:ILE180 4.1 17.8 1.0
OD2 B:ASP179 4.2 19.3 1.0
CB B:SER202 4.2 19.3 1.0
CA B:ILE180 4.2 17.2 1.0
CA B:ASP179 4.3 17.7 1.0
CA B:HIS204 4.3 17.1 1.0
N B:HIS183 4.3 16.9 1.0
N B:HIS204 4.3 17.9 1.0
ND1 B:HIS204 4.3 20.1 1.0
O B:HOH758 4.4 18.9 1.0
CA B:PHE203 4.4 17.8 1.0
N B:HIS184 4.4 18.2 1.0
CA B:HIS184 4.4 19.0 1.0
C B:ILE182 4.4 17.9 1.0
N B:ILE182 4.5 16.8 1.0
N B:GLY185 4.5 17.5 1.0
CA B:SER202 4.5 19.0 1.0
C B:SER202 4.6 20.3 1.0
CG B:HIS204 4.6 19.8 1.0
CA B:HIS183 4.6 17.6 1.0
O B:ILE180 4.8 17.3 1.0
C B:HIS184 4.8 18.1 1.0
CA B:ILE182 4.8 17.0 1.0
O B:ILE182 4.8 17.9 1.0
CE1 B:HIS145 5.0 17.8 1.0

Calcium binding site 3 out of 3 in 8a0b

Go back to Calcium Binding Sites List in 8a0b
Calcium binding site 3 out of 3 in the Inhibitor Binding to HDAC2


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Inhibitor Binding to HDAC2 within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca602

b:35.2
occ:1.00
 O C:ASP181 2.4 26.9 1.0
OD1 C:ASP179 2.4 27.7 1.0
O C:PHE203 2.4 26.8 1.0
O C:HIS183 2.6 26.4 1.0
O C:ASP179 2.9 27.0 1.0
OG C:SER202 3.0 28.6 1.0
CG C:ASP179 3.2 28.5 1.0
C C:ASP181 3.4 26.8 1.0
C C:ASP179 3.5 26.4 1.0
C C:PHE203 3.5 27.4 1.0
C C:HIS183 3.6 26.4 1.0
N C:ASP181 3.7 25.9 1.0
CB C:ASP179 3.8 26.2 1.0
CB C:HIS204 3.9 27.8 1.0
N C:PHE203 3.9 27.1 1.0
CA C:ASP181 3.9 25.3 1.0
CB C:ASP181 4.0 24.8 1.0
C C:ILE180 4.1 26.6 1.0
N C:ILE180 4.1 26.3 1.0
OD2 C:ASP179 4.1 26.0 1.0
CB C:SER202 4.2 27.3 1.0
CA C:ILE180 4.2 26.1 1.0
CA C:ASP179 4.3 25.9 1.0
CA C:HIS204 4.3 28.1 1.0
N C:HIS183 4.3 26.8 1.0
ND1 C:HIS204 4.3 28.1 1.0
N C:HIS204 4.4 28.0 1.0
CA C:PHE203 4.4 27.6 1.0
O C:HOH726 4.4 29.8 1.0
N C:HIS184 4.4 26.0 1.0
CA C:HIS184 4.4 26.9 1.0
CA C:SER202 4.5 26.9 1.0
C C:ILE182 4.5 27.2 1.0
N C:GLY185 4.5 27.8 1.0
N C:ILE182 4.5 26.8 1.0
C C:SER202 4.5 26.7 1.0
CA C:HIS183 4.6 25.0 1.0
CG C:HIS204 4.6 28.3 1.0
C C:HIS184 4.7 27.5 1.0
O C:ILE180 4.8 27.4 1.0
CA C:ILE182 4.8 27.4 1.0
O C:ILE182 4.9 28.0 1.0
CE1 C:HIS145 5.0 26.8 1.0

Reference:

E.Tamanini, S.Miyamura, I.M.Buck, B.D.Cons, L.Dawson, C.East, T.Futamura, S.Goto, C.Griffiths-Jones, T.Hashimoto, T.D.Heightman, S.Ishikawa, H.Ito, Y.Kaneko, T.Kawato, K.Kondo, N.Kurihara, J.M.Mccarthy, Y.Mori, T.Nagase, Y.Nakaishi, J.Reeks, A.Sato, P.Schopf, K.Tai, T.Tamai, D.Tisi, A.J.Woolford. Fragment-Based Discovery of A Novel, Brain Penetrant, Orally Active HDAC2 Inhibitor. Acs Med.Chem.Lett. V. 13 1591 2022.
ISSN: ISSN 1948-5875
PubMed: 36262388
DOI: 10.1021/ACSMEDCHEMLETT.2C00272
Page generated: Thu Jul 10 03:01:31 2025

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