Chlorine in PDB 4eyn: Human Insulin

The structure of Human Insulin, PDB code: 4eyn was solved by M.P.Favero-Retto, L.C.Palmieri, L.M.T.R.Lima, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.50 / 1.53
Space group	H 3
Cell size a, b, c (Å), α, β, γ (°)	80.960, 80.960, 33.170, 90.00, 90.00, 120.00
R / Rfree (%)	17.3 / 27.1

The structure of Human Insulin also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Chlorine atom in the Human Insulin (pdb code 4eyn). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the Human Insulin, PDB code: 4eyn:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the Human Insulin


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Human Insulin within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl102 b:31.9 occ:0.25 ZN B:ZN101 2.6 16.5 0.2 O B:HOH224 3.5 39.3 1.0 NE2 B:HIS10 3.8 18.3 1.0 CD2 B:HIS10 4.2 18.2 1.0 CE1 B:HIS10 5.0 17.7 1.0

Chlorine binding site 2 out of 2 in the Human Insulin


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Human Insulin within 5.0Å range: probe atom residue distance (Å) B Occ D:Cl102 b:69.7 occ:0.30 ZN D:ZN101 2.6 18.4 0.3 O D:HOH226 2.7 34.1 1.0 O D:HOH209 3.6 43.8 1.0 O D:HOH242 3.9 23.3 0.3 NE2 D:HIS10 4.0 16.0 1.0 O D:HOH240 4.3 27.9 1.0 CD2 D:HIS10 4.3 16.8 1.0

M.P.Favero-Retto, L.C.Palmieri, T.A.Souza, F.C.Almeida, L.M.Lima. Structural Meta-Analysis of Regular Human Insulin in Pharmaceutical Formulations. Eur J Pharm Biopharm V. 85 1112 2013.
ISSN: ISSN 0939-6411
PubMed: 23692694
DOI: 10.1016/J.EJPB.2013.05.005