Magnesium in PDB 4h44: 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120

All present enzymatic activity of 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120:
1.10.9.1;

The structure of 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120, PDB code: 4h44 was solved by S.S.Hasan, E.Yamashita, D.Baniulis, W.A.Cramer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.55 / 2.70
Space group	P 61 2 2
Cell size a, b, c (Å), α, β, γ (°)	159.127, 159.127, 364.373, 90.00, 90.00, 120.00
R / Rfree (%)	22 / 24.6

The structure of 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120 also contains other interesting chemical elements:

Cadmium	(Cd)	1 atom
Iron	(Fe)	6 atoms

The binding sites of Magnesium atom in the 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120 (pdb code 4h44). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120, PDB code: 4h44:

Magnesium binding site 1 out of 1 in the 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of 2.70 A Cytochrome B6F Complex Structure From Nostoc Pcc 7120 within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg201 b:60.4 occ:1.00 MG B:CLA201 0.0 60.4 1.0 O B:HOH301 1.9 58.4 1.0 NB B:CLA201 2.0 63.7 1.0 ND B:CLA201 2.0 62.1 1.0 NA B:CLA201 2.1 60.0 1.0 NC B:CLA201 2.1 59.8 1.0 O B:HOH318 2.8 60.2 1.0 C4D B:CLA201 2.9 52.3 1.0 C1B B:CLA201 3.0 53.3 1.0 C4A B:CLA201 3.1 49.9 1.0 C4B B:CLA201 3.1 60.6 1.0 C1C B:CLA201 3.1 64.1 1.0 C4C B:CLA201 3.1 66.5 1.0 C1A B:CLA201 3.2 62.2 1.0 C1D B:CLA201 3.2 61.8 1.0 CHB B:CLA201 3.4 56.3 1.0 CHC B:CLA201 3.4 61.1 1.0 HD21 B:LEU108 3.5 80.8 1.0 CHA B:CLA201 3.5 53.0 1.0 CHD B:CLA201 3.5 74.0 1.0 HD11 B:LEU108 4.0 73.9 1.0 HBS B:OPC202 4.1 83.3 1.0 O B:HOH302 4.1 53.8 1.0 C3D B:CLA201 4.3 56.4 1.0 C2B B:CLA201 4.3 61.4 1.0 HBT1 B:OPC202 4.3 82.0 1.0 C3B B:CLA201 4.3 57.9 1.0 OG1 B:THR140 4.3 57.8 1.0 C2C B:CLA201 4.3 68.9 1.0 HG1 B:THR140 4.4 69.4 1.0 CD2 B:LEU108 4.4 67.3 1.0 C2D B:CLA201 4.4 55.3 1.0 C3C B:CLA201 4.4 66.7 1.0 CBS B:OPC202 4.4 69.4 1.0 C3A B:CLA201 4.4 50.8 1.0 C2A B:CLA201 4.5 53.5 1.0 HD22 B:LEU108 4.5 80.8 1.0 HG13 B:VAL104 4.6 62.2 1.0 HA3 B:GLY136 4.7 68.4 1.0 CD1 B:LEU108 4.8 61.5 1.0 CBT B:OPC202 4.9 68.3 1.0 HD13 B:LEU108 4.9 73.9 1.0 HAA1 B:CLA201 4.9 66.4 1.0 CBD B:CLA201 4.9 56.7 1.0 HD23 B:LEU108 4.9 80.8 1.0

S.S.Hasan, E.Yamashita, D.Baniulis, W.A.Cramer. Quinone-Dependent Proton Transfer Pathways in the Photosynthetic Cytochrome B6F Complex Proc.Natl.Acad.Sci.Usa V. 110 4297 2013.
ISSN: ISSN 0027-8424
PubMed: 23440205
DOI: 10.1073/PNAS.1222248110