Chlorine in PDB 4bj3: Integrin ALPHA2 I Domain E318W-Collagen Complex

The structure of Integrin ALPHA2 I Domain E318W-Collagen Complex, PDB code: 4bj3 was solved by F.Carafoli, S.W.Hamaia, D.Bihan, E.Hohenester, R.W.Farndale, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.346 / 3.04
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	83.004, 83.004, 175.256, 90.00, 90.00, 90.00
R / Rfree (%)	24.57 / 29.77

The structure of Integrin ALPHA2 I Domain E318W-Collagen Complex also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Chlorine atom in the Integrin ALPHA2 I Domain E318W-Collagen Complex (pdb code 4bj3). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Integrin ALPHA2 I Domain E318W-Collagen Complex, PDB code: 4bj3:

Chlorine binding site 1 out of 1 in the Integrin ALPHA2 I Domain E318W-Collagen Complex


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Integrin ALPHA2 I Domain E318W-Collagen Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl803 b:55.5 occ:1.00 N A:GLY284 3.0 54.0 1.0 NH1 A:ARG288 3.2 44.8 1.0 N A:ARG288 3.5 49.1 1.0 N A:LEU286 3.6 48.5 1.0 N A:TYR285 3.6 58.0 1.0 CA A:GLY284 3.6 59.9 1.0 N A:ASN287 3.7 47.6 1.0 CG A:ARG288 3.7 37.7 1.0 CB A:ARG288 3.9 36.9 1.0 C A:LEU283 4.0 56.6 1.0 C A:GLY284 4.0 54.2 1.0 C A:LEU286 4.1 46.4 1.0 CA A:LEU286 4.1 38.6 1.0 CB A:LEU286 4.2 33.0 1.0 CA A:LEU283 4.2 51.7 1.0 CD A:ARG288 4.2 49.6 1.0 CZ A:ARG288 4.3 52.2 1.0 CA A:ARG288 4.3 46.7 1.0 CA A:ASN287 4.4 48.8 1.0 CB A:LEU283 4.4 46.7 1.0 C A:ASN287 4.5 44.7 1.0 C A:TYR285 4.5 49.9 1.0 OG1 A:THR293 4.6 53.6 1.0 CD2 A:LEU283 4.6 46.9 1.0 CA A:TYR285 4.7 55.5 1.0 NE A:ARG288 4.7 49.2 1.0 O A:LEU286 4.9 53.9 1.0

F.Carafoli, S.W.Hamaia, D.Bihan, E.Hohenester, R.W.Farndale. An Activating Mutation Reveals A Second Binding Mode of the Integrin ALPHA2 I Domain to the Gfoger Motif in Collagens. Plos One V. 8 69833 2013.
ISSN: ISSN 1932-6203
PubMed: 23922814
DOI: 10.1371/JOURNAL.PONE.0069833