Chlorine in PDB 3u5k: Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam

The structure of Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam, PDB code: 3u5k was solved by P.Filippakopoulos, S.Picaud, I.Felletar, O.Fedorov, F.Von Delft, C.H.Arrowsmith, A.M.Edwards, J.Weigelt, C.Bountra, S.Knapp, Structuralgenomics Consortium (Sgc), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	26.68 / 1.80
Space group	P 31
Cell size a, b, c (Å), α, β, γ (°)	89.550, 89.550, 64.411, 90.00, 90.00, 120.00
R / Rfree (%)	21 / 26

The structure of Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam also contains other interesting chemical elements:

Fluorine

(F)

4 atoms

The binding sites of Chlorine atom in the Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam (pdb code 3u5k). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 4 binding sites of Chlorine where determined in the Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam, PDB code: 3u5k:
Jump to Chlorine binding site number: 1; 2; 3; 4;

Chlorine binding site 1 out of 4 in the Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1 b:31.6 occ:1.00 CLAC A:08J1 0.0 31.6 1.0 CAP A:08J1 1.7 25.3 1.0 CAH A:08J1 2.7 17.3 1.0 CAK A:08J1 2.8 25.4 1.0 CZ3 A:TRP81 3.6 18.8 1.0 CE3 A:TRP81 3.8 16.2 1.0 CAI A:08J1 4.0 14.8 1.0 CAU A:08J1 4.0 30.2 1.0 CA A:PRO82 4.1 14.8 1.0 CD2 A:LEU92 4.2 16.0 1.0 NE2 A:GLN85 4.4 17.2 1.0 O A:HOH169 4.4 18.7 1.0 CB A:PRO82 4.5 13.1 1.0 CAV A:08J1 4.5 14.0 1.0 O A:TRP81 4.6 16.7 1.0 CD1 A:LEU92 4.7 17.2 1.0 CH2 A:TRP81 4.8 18.4 1.0 N A:PRO82 4.9 13.3 1.0 CG A:LEU92 4.9 21.5 1.0 O A:PRO82 4.9 13.0 1.0

Chlorine binding site 2 out of 4 in the Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl2 b:67.5 occ:1.00 CLAC B:08J2 0.0 67.5 1.0 CAP B:08J2 1.7 44.1 1.0 CAK B:08J2 2.7 32.6 1.0 CAH B:08J2 2.8 32.7 1.0 CZ3 B:TRP81 3.6 32.2 1.0 CE3 B:TRP81 3.8 24.4 1.0 CAU B:08J2 4.0 20.5 1.0 CAI B:08J2 4.0 20.9 1.0 CD2 B:LEU92 4.2 27.5 1.0 CA B:PRO82 4.5 15.8 1.0 CAV B:08J2 4.5 25.7 1.0 CD1 B:LEU92 4.6 28.6 1.0 CH2 B:TRP81 4.8 23.1 1.0 CB B:PRO82 4.9 13.7 1.0 CG B:LEU92 5.0 24.0 1.0 CAO B:08J2 5.0 31.8 1.0

Chlorine binding site 3 out of 4 in the Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam within 5.0Å range: probe atom residue distance (Å) B Occ C:Cl3 b:36.1 occ:1.00 CLAC C:08J3 0.0 36.1 1.0 CAP C:08J3 1.7 15.8 1.0 CAH C:08J3 2.7 24.2 1.0 CAK C:08J3 2.8 26.8 1.0 CZ3 C:TRP81 3.6 26.6 1.0 CE3 C:TRP81 3.7 23.4 1.0 CD2 C:LEU92 3.8 17.3 1.0 CAI C:08J3 4.0 31.7 1.0 CAU C:08J3 4.0 25.8 1.0 CA C:PRO82 4.1 15.4 1.0 O C:HOH203 4.5 15.3 1.0 CAV C:08J3 4.5 21.6 1.0 CB C:PRO82 4.6 18.9 1.0 NE2 C:GLN85 4.6 25.9 1.0 O C:TRP81 4.7 15.7 1.0 CD1 C:LEU92 4.8 19.7 1.0 O C:PRO82 4.8 18.1 1.0 CG C:LEU92 4.8 21.4 1.0 CH2 C:TRP81 4.8 33.6 1.0 N C:PRO82 4.9 15.8 1.0

Chlorine binding site 4 out of 4 in the Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 4 of Crystal Structure of the First Bromodomain of Human BRD4 in Complex with Midazolam within 5.0Å range: probe atom residue distance (Å) B Occ D:Cl4 b:40.0 occ:1.00 CLAC D:08J4 0.0 40.0 1.0 CAP D:08J4 1.7 30.7 1.0 CAH D:08J4 2.7 28.6 1.0 CAK D:08J4 2.8 32.1 1.0 CZ3 D:TRP81 3.6 16.6 1.0 CE3 D:TRP81 3.9 15.8 1.0 CAI D:08J4 4.0 35.2 1.0 CAU D:08J4 4.1 41.2 1.0 CA D:PRO82 4.2 15.7 1.0 O D:HOH183 4.4 15.8 1.0 CD2 D:LEU92 4.4 16.7 1.0 CAV D:08J4 4.5 39.0 1.0 CB D:PRO82 4.6 14.6 1.0 NE2 D:GLN85 4.6 12.5 0.5 CG D:LEU92 4.7 17.4 1.0 CH2 D:TRP81 4.8 21.7 1.0 CD1 D:LEU92 4.8 19.5 1.0 O D:PRO82 5.0 14.6 1.0 N D:PRO82 5.0 15.7 1.0 O D:TRP81 5.0 17.6 1.0

P.Filippakopoulos, S.Picaud, O.Fedorov, M.Keller, M.Wrobel, O.Morgenstern, F.Bracher, S.Knapp. Benzodiazepines and Benzotriazepines As Protein Interaction Inhibitors Targeting Bromodomains of the Bet Family. Bioorg.Med.Chem. V. 20 1878 2012.
ISSN: ISSN 0968-0896
PubMed: 22137933
DOI: 10.1016/J.BMC.2011.10.080