Chlorine in PDB 1qov: Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W)

The structure of Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W), PDB code: 1qov was solved by K.E.Mcauley, P.K.Fyfe, J.P.Ridge, N.W.Isaacs, R.J.Cogdell, M.R.Jones, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.10
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	142.050, 142.050, 186.810, 90.00, 90.00, 120.00
R / Rfree (%)	16.9 / 18.6

The structure of Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W) also contains other interesting chemical elements:

Magnesium	(Mg)	4 atoms
Iron	(Fe)	1 atom

The binding sites of Chlorine atom in the Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W) (pdb code 1qov). 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 Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W), PDB code: 1qov:

Chlorine binding site 1 out of 1 in the Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W)


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Photosynthetic Reaction Center Mutant with Ala M260 Replaced with Trp (Chain M, A260W) within 5.0Å range: probe atom residue distance (Å) B Occ M:Cl1900 b:32.7 occ:1.00 ND1 M:HIS219 3.1 25.1 1.0 NE1 M:TRP260 3.1 29.4 1.0 CA M:HIS219 3.4 23.6 1.0 OG1 M:THR222 3.5 26.8 1.0 CB M:THR222 3.5 25.2 1.0 CG1 M:ILE265 3.7 27.8 1.0 CG2 M:THR222 3.8 27.5 1.0 CE2 M:TRP260 3.8 30.6 1.0 NE1 M:TRP252 3.9 33.3 1.0 CB M:HIS219 3.9 23.1 1.0 CZ2 M:TRP260 3.9 29.8 1.0 CG M:HIS219 3.9 26.4 1.0 N M:HIS219 4.0 21.4 1.0 CE1 M:HIS219 4.1 25.0 1.0 O M:MET218 4.1 22.7 1.0 CD1 M:TRP260 4.2 30.3 1.0 CD1 M:ILE265 4.3 28.9 1.0 C M:MET218 4.3 23.4 1.0 O M:HIS219 4.3 24.6 1.0 C M:HIS219 4.4 24.0 1.0 CD1 M:TRP252 4.4 31.6 1.0 CB M:ILE265 4.7 26.4 1.0 CG2 M:ILE265 4.7 26.3 1.0 CE2 M:TRP252 4.8 33.4 1.0 CA M:THR222 4.9 24.9 1.0

K.E.Mcauley, P.K.Fyfe, J.P.Ridge, N.W.Isaacs, R.J.Cogdell, M.R.Jones. Structural Details of An Interaction Between Cardiolipin and An Integral Membrane Protein Proc.Natl.Acad.Sci.Usa V. 96 14706 1999.
ISSN: ISSN 0027-8424
PubMed: 10611277
DOI: 10.1073/PNAS.96.26.14706