Chlorine in PDB 6hw4: Yeast 20S Proteasome in Complex with 16

All present enzymatic activity of Yeast 20S Proteasome in Complex with 16:
3.4.25.1;

The structure of Yeast 20S Proteasome in Complex with 16, PDB code: 6hw4 was solved by E.M.Huber, M.Groll, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.90
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	137.010, 299.280, 145.570, 90.00, 113.03, 90.00
R / Rfree (%)	17.3 / 21

The structure of Yeast 20S Proteasome in Complex with 16 also contains other interesting chemical elements:

Magnesium

(Mg)

8 atoms

The binding sites of Chlorine atom in the Yeast 20S Proteasome in Complex with 16 (pdb code 6hw4). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Yeast 20S Proteasome in Complex with 16, PDB code: 6hw4:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the Yeast 20S Proteasome in Complex with 16


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Yeast 20S Proteasome in Complex with 16 within 5.0Å range: probe atom residue distance (Å) B Occ G:Cl302 b:54.5 occ:1.00 OH H:TYR69 2.9 52.1 1.0 NH1 G:ARG111 3.0 45.5 1.0 OD1 G:ASN114 3.3 55.5 1.0 CB G:ASN114 3.7 50.9 1.0 CE2 H:TYR69 3.7 52.8 1.0 CZ H:TYR69 3.8 52.8 1.0 CD G:ARG111 3.8 45.1 1.0 CG G:ASN114 3.8 51.3 1.0 CZ G:ARG111 4.1 47.0 1.0 NE G:ARG111 4.4 47.3 1.0 CA G:ARG111 4.8 48.1 1.0 O G:ARG111 4.9 49.8 1.0 OD2 A:ASP87 4.9 71.6 1.0

Chlorine binding site 2 out of 2 in the Yeast 20S Proteasome in Complex with 16


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Yeast 20S Proteasome in Complex with 16 within 5.0Å range: probe atom residue distance (Å) B Occ U:Cl301 b:55.3 occ:1.00 OH V:TYR69 2.9 49.2 1.0 NH1 U:ARG111 3.1 57.8 1.0 OD1 U:ASN114 3.2 67.1 1.0 CD U:ARG111 3.6 54.0 1.0 CB U:ASN114 3.7 55.0 1.0 CZ V:TYR69 3.7 57.4 1.0 CE2 V:TYR69 3.7 56.9 1.0 CG U:ASN114 3.8 59.6 1.0 CZ U:ARG111 4.1 55.7 1.0 NE U:ARG111 4.3 57.3 1.0 CA U:ARG111 4.6 54.1 1.0 O U:ARG111 4.7 56.5 1.0 CG U:ARG111 4.9 53.1 1.0 OD2 O:ASP87 4.9 67.2 1.0 CE1 V:TYR69 5.0 59.0 1.0 CB U:ARG111 5.0 54.0 1.0

B.T.Xin, E.M.Huber, G.De Bruin, W.Heinemeyer, E.Maurits, C.Espinal, Y.Du, M.Janssens, E.S.Weyburne, A.F.Kisselev, B.I.Florea, C.Driessen, G.A.Van Der Marel, M.Groll, H.S.Overkleeft. Structure-Based Design of Inhibitors Selective For Human Proteasome Beta 2C or Beta 2I Subunits. J.Med.Chem. V. 62 1626 2019.
ISSN: ISSN 0022-2623
PubMed: 30657666
DOI: 10.1021/ACS.JMEDCHEM.8B01884