Magnesium in PDB 1rg5: Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1

The structure of Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1, PDB code: 1rg5 was solved by A.W.Roszak, H.Hashimoto, A.T.Gardiner, R.J.Cogdell, N.W.Isaacs, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	23.34 / 2.50
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	144.033, 144.033, 190.072, 90.00, 90.00, 120.00
R / Rfree (%)	15.5 / 18.2

The structure of Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1 also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Magnesium atom in the Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1 (pdb code 1rg5). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 4 binding sites of Magnesium where determined in the Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1, PDB code: 1rg5:
Jump to Magnesium binding site number: 1; 2; 3; 4;

Magnesium binding site 1 out of 4 in the Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1 within 5.0Å range: probe atom residue distance (Å) B Occ L:Mg302 b:48.0 occ:1.00 MG L:BCL302 0.0 48.0 1.0 ND L:BCL302 2.1 47.6 1.0 NB L:BCL302 2.1 45.9 1.0 NC L:BCL302 2.1 46.7 1.0 NA L:BCL302 2.3 47.4 1.0 NE2 L:HIS173 2.3 46.3 1.0 C4D L:BCL302 3.0 48.1 1.0 C1C L:BCL302 3.1 46.0 1.0 C4B L:BCL302 3.1 45.6 1.0 C1B L:BCL302 3.1 45.2 1.0 C1D L:BCL302 3.1 47.6 1.0 C4C L:BCL302 3.1 45.2 1.0 C4A L:BCL302 3.2 45.5 1.0 CE1 L:HIS173 3.2 47.2 1.0 C1A L:BCL302 3.3 48.0 1.0 CD2 L:HIS173 3.3 47.7 1.0 CHC L:BCL302 3.4 46.4 1.0 CHD L:BCL302 3.5 47.1 1.0 CHB L:BCL302 3.5 45.9 1.0 CHA L:BCL302 3.5 47.0 1.0 CBB M:BCL502 3.9 50.8 1.0 CAB M:BCL502 4.0 50.2 1.0 OBB M:BCL502 4.1 51.8 1.0 C3D L:BCL302 4.2 47.6 1.0 C2D L:BCL302 4.3 48.9 1.0 C2B L:BCL302 4.3 44.8 1.0 C3B L:BCL302 4.3 45.0 1.0 ND1 L:HIS173 4.4 46.6 1.0 C2C L:BCL302 4.4 45.5 1.0 C3C L:BCL302 4.4 46.0 1.0 CG L:HIS173 4.5 48.1 1.0 C3A L:BCL302 4.5 47.0 1.0 C2A L:BCL302 4.6 49.2 1.0 CD2 L:PHE167 4.7 48.1 1.0 C3B M:BCL502 4.8 46.9 1.0

Magnesium binding site 2 out of 4 in the Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1 within 5.0Å range: probe atom residue distance (Å) B Occ L:Mg304 b:48.9 occ:1.00 MG L:BCL304 0.0 48.9 1.0 ND L:BCL304 2.1 46.8 1.0 NC L:BCL304 2.1 46.1 1.0 NB L:BCL304 2.1 48.9 1.0 NA L:BCL304 2.2 46.2 1.0 NE2 L:HIS153 2.3 47.7 1.0 C4D L:BCL304 3.0 46.5 1.0 C1C L:BCL304 3.1 48.5 1.0 C4C L:BCL304 3.1 45.1 1.0 C1D L:BCL304 3.1 46.4 1.0 C4B L:BCL304 3.1 49.8 1.0 C4A L:BCL304 3.1 47.1 1.0 C1B L:BCL304 3.1 50.9 1.0 C1A L:BCL304 3.2 47.1 1.0 CD2 L:HIS153 3.2 51.2 1.0 CE1 L:HIS153 3.4 53.0 1.0 CHC L:BCL304 3.4 47.9 1.0 CHD L:BCL304 3.4 46.7 1.0 CHB L:BCL304 3.5 48.7 1.0 CHA L:BCL304 3.5 47.8 1.0 C3D L:BCL304 4.2 45.7 1.0 C2D L:BCL304 4.3 45.6 1.0 C3B L:BCL304 4.4 50.0 1.0 C2B L:BCL304 4.4 49.3 1.0 C2C L:BCL304 4.4 47.7 1.0 C3C L:BCL304 4.4 46.3 1.0 CG L:HIS153 4.4 50.9 1.0 C3A L:BCL304 4.5 47.0 1.0 ND1 L:HIS153 4.5 53.2 1.0 C2A L:BCL304 4.5 47.1 1.0 CBB L:BPH402 4.7 49.4 1.0 CE2 M:TYR210 4.8 50.6 1.0 CBD L:BCL304 5.0 48.8 1.0 CBC L:BCL304 5.0 46.5 1.0

Magnesium binding site 3 out of 4 in the Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1 within 5.0Å range: probe atom residue distance (Å) B Occ M:Mg501 b:51.8 occ:1.00 MG M:BCL501 0.0 51.8 1.0 ND M:BCL501 2.1 52.1 1.0 NC M:BCL501 2.1 52.9 1.0 NB M:BCL501 2.1 53.4 1.0 NA M:BCL501 2.2 53.0 1.0 NE2 M:HIS182 2.3 45.8 1.0 C4D M:BCL501 3.0 52.4 1.0 C1C M:BCL501 3.1 51.9 1.0 C1B M:BCL501 3.1 54.5 1.0 C1D M:BCL501 3.1 52.3 1.0 C4B M:BCL501 3.1 52.1 1.0 C4C M:BCL501 3.1 51.3 1.0 C4A M:BCL501 3.2 53.6 1.0 CD2 M:HIS182 3.3 49.8 1.0 CE1 M:HIS182 3.3 49.2 1.0 C1A M:BCL501 3.3 52.4 1.0 CHB M:BCL501 3.4 53.5 1.0 CHC M:BCL501 3.4 51.5 1.0 CHD M:BCL501 3.5 51.5 1.0 CHA M:BCL501 3.5 51.8 1.0 C3D M:BCL501 4.2 51.9 1.0 C2D M:BCL501 4.3 52.2 1.0 C2B M:BCL501 4.3 53.5 1.0 C3B M:BCL501 4.3 54.0 1.0 ND1 M:HIS182 4.4 49.0 1.0 CG M:HIS182 4.4 48.5 1.0 C2C M:BCL501 4.4 49.8 1.0 C3C M:BCL501 4.4 50.8 1.0 C3A M:BCL501 4.5 53.5 1.0 C2A M:BCL501 4.6 55.4 1.0 CBB M:BPH401 5.0 53.0 1.0 CBD M:BCL501 5.0 53.2 1.0

Magnesium binding site 4 out of 4 in the Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 4 of Structure of the Photosynthetic Reaction Centre From Rhodobacter Sphaeroides Carotenoidless Strain R-26.1 within 5.0Å range: probe atom residue distance (Å) B Occ M:Mg502 b:46.5 occ:1.00 MG M:BCL502 0.0 46.5 1.0 ND M:BCL502 2.0 43.5 1.0 NC M:BCL502 2.1 45.0 1.0 NB M:BCL502 2.1 45.9 1.0 NA M:BCL502 2.2 45.3 1.0 NE2 M:HIS202 2.3 47.0 1.0 C4D M:BCL502 3.0 44.8 1.0 C1C M:BCL502 3.1 44.9 1.0 C1B M:BCL502 3.1 46.9 1.0 C4C M:BCL502 3.1 44.2 1.0 C1D M:BCL502 3.1 45.2 1.0 C4B M:BCL502 3.1 47.1 1.0 C4A M:BCL502 3.2 46.2 1.0 CE1 M:HIS202 3.3 49.7 1.0 C1A M:BCL502 3.3 45.1 1.0 CD2 M:HIS202 3.3 47.7 1.0 CHC M:BCL502 3.4 44.1 1.0 CHA M:BCL502 3.5 44.5 1.0 CHD M:BCL502 3.5 44.3 1.0 CHB M:BCL502 3.5 45.6 1.0 CBB L:BCL302 3.7 45.8 1.0 CAB L:BCL302 4.0 45.3 1.0 OBB L:BCL302 4.2 46.2 1.0 C3D M:BCL502 4.2 44.9 1.0 C2D M:BCL502 4.3 43.8 1.0 C2B M:BCL502 4.3 47.8 1.0 C3B M:BCL502 4.4 46.9 1.0 C2C M:BCL502 4.4 46.2 1.0 ND1 M:HIS202 4.4 48.8 1.0 C3C M:BCL502 4.4 46.6 1.0 CG M:HIS202 4.4 49.2 1.0 C3A M:BCL502 4.5 48.5 1.0 C2A M:BCL502 4.6 47.0 1.0 C3B L:BCL302 4.7 45.0 1.0 CBD M:BCL502 4.9 45.1 1.0

A.W.Roszak, K.Mckendrick, A.T.Gardiner, I.A.Mitchell, N.W.Isaacs, R.J.Cogdell, H.Hashimoto, H.A.Frank. Protein Regulation of Carotenoid Binding: Gatekeeper and Locking Amino Acid Residues in Reaction Centers of Rhodobacter Sphaeroides Structure V. 12 765 2004.
ISSN: ISSN 0969-2126
PubMed: 15130469
DOI: 10.1016/J.STR.2004.02.037