Magnesium in PDB 1qgw: Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24

The structure of Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24, PDB code: 1qgw was solved by S.J.Harrop, K.E.Wilk, R.G.Hiller, P.M.G.Curmi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.63
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	63.030, 82.630, 89.550, 90.00, 90.00, 90.00
R / Rfree (%)	14.9 / 18.8

The structure of Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24 also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Magnesium atom in the Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24 (pdb code 1qgw). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24, PDB code: 1qgw:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg901 b:2.9 occ:1.00 O D:HOH903 2.0 7.2 1.0 O B:HOH834 2.0 5.3 1.0 O A:HOH902 2.0 4.9 1.0 O A:HOH903 2.0 4.6 1.0 O D:HOH904 2.0 6.2 1.0 O B:HOH837 2.1 5.2 1.0 O D:HOH1049 3.9 21.1 1.0 OXT A:ASN76 4.0 8.5 1.0 OE2 A:GLU65 4.0 4.5 1.0 O D:HOH1168 4.0 4.0 1.0 O D:HOH1048 4.1 18.7 1.0 OD2 B:ASP15 4.1 5.5 1.0 O A:THR63 4.1 4.5 1.0 O A:PHE64 4.1 4.6 1.0 O B:HOH352 4.2 12.1 1.0 O A:ASN76 4.2 7.4 1.0 O D:HOH1050 4.4 7.0 1.0 O B:ASP15 4.5 3.7 1.0 O D:SER152 4.5 4.6 1.0 C A:ASN76 4.6 8.1 1.0 O B:HOH724 4.6 6.6 1.0 CG B:ASP15 4.6 5.0 1.0 CB B:ASP15 4.7 2.9 1.0 ND2 D:ASN42 4.8 3.2 1.0 C A:PHE64 4.8 3.3 1.0 CZ A:PHE72 4.9 4.1 1.0 CB A:PHE64 4.9 3.1 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of Phycoerythrin 545 From the Marine Cryptophyte Rhodomonas CS24 within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg902 b:5.6 occ:0.50 O D:HOH905 2.0 5.8 0.5 O D:HOH907 2.0 6.6 0.5 O D:HOH910 2.0 6.1 0.5 O D:HOH906 2.0 6.7 0.5 O D:HOH909 2.0 6.4 0.5 O D:HOH908 2.1 5.1 0.5 O D:HOH1221 3.9 21.9 1.0 OD1 D:ASP107 3.9 9.8 1.0 O D:HOH1220 4.2 27.0 1.0 OG D:SER103 4.2 8.1 0.7 O D:HOH1210 4.3 28.4 1.0 OD2 D:ASP107 4.3 10.6 1.0 OE1 D:GLU106 4.3 15.3 1.0 CG D:ASP107 4.6 9.7 1.0 CB D:SER103 4.7 8.6 1.0 CA D:SER103 5.0 7.8 1.0

K.E.Wilk, S.J.Harrop, L.Jankova, D.Edler, G.Keenan, F.Sharples, R.G.Hiller, P.M.Curmi. Evolution of A Light-Harvesting Protein By Addition of New Subunits and Rearrangement of Conserved Elements: Crystal Structure of A Cryptophyte Phycoerythrin at 1.63-A Resolution. Proc.Natl.Acad.Sci.Usa V. 96 8901 1999.
ISSN: ISSN 0027-8424
PubMed: 10430868
DOI: 10.1073/PNAS.96.16.8901