Chlorine in PDB 1qhq: Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus

The structure of Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus, PDB code: 1qhq was solved by C.S.Bond, R.E.Blankenship, H.C.Freeman, J.M.Guss, M.Maher, F.Selvaraj, M.C.J.Wilce, K.Willingham, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.55
Space group	P 64 2 2
Cell size a, b, c (Å), α, β, γ (°)	115.739, 115.739, 54.549, 90.00, 90.00, 120.00
R / Rfree (%)	19.8 / 23.3

The structure of Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus also contains other interesting chemical elements:

Copper

(Cu)

1 atom

The binding sites of Chlorine atom in the Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus (pdb code 1qhq). 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 Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus, PDB code: 1qhq:

Chlorine binding site 1 out of 1 in the Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Auracyanin, A Blue Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl142 b:18.5 occ:0.50 NE2 A:HIS127 3.1 17.6 1.0 O A:HOH257 3.2 16.9 1.0 CG2 A:VAL55 3.7 16.9 1.0 CD2 A:HIS127 3.8 17.1 1.0 CE1 A:HIS127 4.2 20.9 1.0 CE2 A:PHE124 4.2 17.8 1.0 CD2 A:PHE124 4.4 16.6 1.0 CD1 A:LEU28 4.5 21.3 1.0 CD2 A:LEU28 4.7 19.3 1.0 O A:PRO125 4.7 17.1 1.0

C.S.Bond, R.E.Blankenship, H.C.Freeman, J.M.Guss, M.J.Maher, F.M.Selvaraj, M.C.Wilce, K.M.Willingham. Crystal Structure of Auracyanin, A "Blue" Copper Protein From the Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus. J.Mol.Biol. V. 306 47 2001.
ISSN: ISSN 0022-2836
PubMed: 11178893
DOI: 10.1006/JMBI.2000.4201