Magnesium in PDB 1kby: Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer

The structure of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer, PDB code: 1kby was solved by A.Camara-Artigas, C.Magee, A.Goetsch, J.P.Allen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	27.07 / 2.50
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	142.310, 142.310, 187.590, 90.00, 90.00, 120.00
R / Rfree (%)	19.5 / 22.4

The structure of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer also contains other interesting chemical elements:

Iron	(Fe)	1 atom
Chlorine	(Cl)	1 atom

The binding sites of Magnesium atom in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer (pdb code 1kby). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer, PDB code: 1kby:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer within 5.0Å range: probe atom residue distance (Å) B Occ L:Mg850 b:42.2 occ:1.00 MG L:BCL850 0.0 42.2 1.0 ND L:BCL850 2.0 42.0 1.0 NC L:BCL850 2.0 42.2 1.0 NA L:BCL850 2.1 44.3 1.0 NB L:BCL850 2.1 44.4 1.0 NE2 M:HIS182 2.6 34.8 1.0 C1B L:BCL850 3.0 45.8 1.0 C4A L:BCL850 3.0 45.8 1.0 C1C L:BCL850 3.0 41.3 1.0 C4D L:BCL850 3.1 41.6 1.0 C1D L:BCL850 3.1 40.0 1.0 C4C L:BCL850 3.1 39.7 1.0 C4B L:BCL850 3.1 45.1 1.0 C1A L:BCL850 3.2 45.1 1.0 CHB L:BCL850 3.3 45.3 1.0 CHC L:BCL850 3.3 42.9 1.0 CD2 M:HIS182 3.3 35.9 1.0 CHD L:BCL850 3.5 39.4 1.0 CHA L:BCL850 3.5 43.1 1.0 CE1 M:HIS182 3.7 36.6 1.0 C2B L:BCL850 4.2 45.8 1.0 C2D L:BCL850 4.3 40.0 1.0 C3A L:BCL850 4.3 47.1 1.0 C3D L:BCL850 4.3 41.0 1.0 C2C L:BCL850 4.4 38.8 1.0 C3C L:BCL850 4.4 38.3 1.0 C2A L:BCL850 4.4 48.5 1.0 CG M:HIS182 4.6 38.0 1.0 C3B L:BCL850 4.6 47.2 1.0 CE2 L:PHE181 4.6 33.9 1.0 OBB L:BPH854 4.7 43.6 1.0 ND1 M:HIS182 4.7 37.2 1.0 CBD L:BCL850 5.0 43.3 1.0

Magnesium binding site 2 out of 3 in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer within 5.0Å range: probe atom residue distance (Å) B Occ L:Mg851 b:38.5 occ:1.00 MG L:BCL851 0.0 38.5 1.0 ND L:BCL851 2.0 39.4 1.0 NC L:BCL851 2.1 40.3 1.0 NB L:BCL851 2.1 36.6 1.0 NA L:BCL851 2.1 37.4 1.0 NE2 L:HIS173 2.6 25.1 1.0 C4A L:BCL851 3.0 36.3 1.0 C1B L:BCL851 3.0 36.2 1.0 C4D L:BCL851 3.1 40.1 1.0 C1D L:BCL851 3.1 39.7 1.0 C1C L:BCL851 3.1 39.9 1.0 C4C L:BCL851 3.1 40.4 1.0 C4B L:BCL851 3.1 36.6 1.0 C1A L:BCL851 3.2 37.1 1.0 CHB L:BCL851 3.3 35.8 1.0 CHC L:BCL851 3.4 38.0 1.0 CBB M:BPH852 3.4 34.6 1.0 CHD L:BCL851 3.5 39.6 1.0 CAB M:BPH852 3.5 35.7 1.0 CHA L:BCL851 3.5 39.1 1.0 CE1 L:HIS173 3.5 25.6 1.0 OBB M:BPH852 3.6 35.6 1.0 CD2 L:HIS173 3.7 26.2 1.0 C3B M:BPH852 4.3 35.4 1.0 C2D L:BCL851 4.3 41.4 1.0 C2B L:BCL851 4.3 36.8 1.0 C3D L:BCL851 4.3 41.0 1.0 C3A L:BCL851 4.3 35.8 1.0 C3B L:BCL851 4.4 36.2 1.0 C2C L:BCL851 4.4 39.0 1.0 C3C L:BCL851 4.4 39.5 1.0 C2A L:BCL851 4.5 35.9 1.0 ND1 L:HIS173 4.7 26.7 1.0 CG L:HIS173 4.8 27.5 1.0 CD2 L:PHE167 5.0 40.8 1.0

Magnesium binding site 3 out of 3 in the Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Structure of Photosynthetic Reaction Center with Bacteriochlorophyll- Bacteriopheophytin Heterodimer within 5.0Å range: probe atom residue distance (Å) B Occ L:Mg853 b:28.8 occ:1.00 MG L:BCL853 0.0 28.8 1.0 ND L:BCL853 2.0 25.0 1.0 NC L:BCL853 2.1 26.2 1.0 NA L:BCL853 2.1 26.9 1.0 NB L:BCL853 2.1 25.8 1.0 NE2 L:HIS153 2.9 43.5 1.0 C4A L:BCL853 3.0 28.3 1.0 C1C L:BCL853 3.0 26.9 1.0 C4D L:BCL853 3.1 26.6 1.0 C1B L:BCL853 3.1 26.3 1.0 C1D L:BCL853 3.1 25.9 1.0 C4C L:BCL853 3.1 25.6 1.0 C4B L:BCL853 3.1 26.6 1.0 C1A L:BCL853 3.2 28.9 1.0 CHB L:BCL853 3.3 26.4 1.0 CHC L:BCL853 3.3 27.2 1.0 CHD L:BCL853 3.5 24.4 1.0 CHA L:BCL853 3.5 28.7 1.0 CD2 L:HIS153 3.7 44.5 1.0 CE1 L:HIS153 4.0 43.6 1.0 C2D L:BCL853 4.3 26.7 1.0 C2B L:BCL853 4.3 27.2 1.0 OBB L:BPH855 4.3 43.4 1.0 C3D L:BCL853 4.3 28.1 1.0 C3A L:BCL853 4.3 29.9 1.0 C2C L:BCL853 4.4 28.1 1.0 C3C L:BCL853 4.4 26.8 1.0 C3B L:BCL853 4.4 27.9 1.0 C2A L:BCL853 4.4 30.6 1.0 CE2 M:TYR210 4.8 32.6 1.0 CAA L:BCL853 4.9 34.2 1.0 CG L:HIS153 4.9 45.0 1.0 CBD L:BCL853 5.0 30.2 1.0

A.Camara-Artigas, C.Magee, A.Goetsch, J.P.Allen. The Structure of the Heterodimer Reaction Center From Rhodobacter Sphaeroides at 2.55 A Resolution. Photosynth.Res. V. 74 87 2002.
ISSN: ISSN 0166-8595
PubMed: 16228547
DOI: 10.1023/A:1020882402389