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Magnesium in PDB 1k68: Crystal Structure of the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa

Protein crystallography data

The structure of Crystal Structure of the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa, PDB code: 1k68 was solved by C.Benda, C.Scheufler, N.Tandeau De Marsac, W.Gaertner, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.62 / 1.90
Space group P 21 21 2
Cell size a, b, c (Å), α, β, γ (°) 76.700, 85.160, 44.050, 90.00, 90.00, 90.00
R / Rfree (%) 23.3 / 27.8

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Crystal Structure of the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa (pdb code 1k68). 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 the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa, PDB code: 1k68:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in 1k68

Go back to Magnesium Binding Sites List in 1k68
Magnesium binding site 1 out of 2 in the Crystal Structure of the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa


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 the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg501

b:39.3
occ:1.00
OD1 A:ASP18 2.3 37.0 1.0
OD2 A:PHD70 2.3 36.7 1.0
O A:HOH553 2.5 53.9 1.0
OP2 A:PHD70 2.5 33.5 1.0
O A:ASN72 2.6 33.6 1.0
O A:HOH507 2.7 44.0 1.0
CG A:ASP18 3.3 37.1 1.0
CG A:PHD70 3.3 35.0 1.0
C A:ASN72 3.5 35.0 1.0
OE1 A:GLU17 3.5 34.9 1.0
P A:PHD70 3.6 38.1 1.0
OD2 A:ASP18 3.6 38.7 1.0
OD1 A:PHD70 3.6 33.1 1.0
O A:HOH533 3.7 49.4 1.0
CB A:ASN72 4.2 36.7 1.0
CA A:ASN72 4.2 34.8 1.0
OP3 A:PHD70 4.3 31.5 1.0
N A:LEU73 4.4 36.2 1.0
N A:ASN72 4.5 33.6 1.0
N A:ASP18 4.5 35.2 1.0
CD A:GLU17 4.5 34.3 1.0
CD2 A:LEU73 4.5 32.5 1.0
CB A:PHD70 4.6 34.0 1.0
CB A:ASP18 4.6 35.3 1.0
CA A:LEU73 4.6 36.8 1.0
OP1 A:PHD70 4.7 35.9 1.0
CG A:ASN72 4.8 39.5 1.0
N A:ASN19 4.8 38.7 1.0
OE2 A:GLU17 4.9 32.9 1.0
ND2 A:ASN72 4.9 40.8 1.0

Magnesium binding site 2 out of 2 in 1k68

Go back to Magnesium Binding Sites List in 1k68
Magnesium binding site 2 out of 2 in the Crystal Structure of the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa


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 the Phosphorylated Cyanobacterial Phytochrome Response Regulator Rcpa within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Mg502

b:72.8
occ:1.00
OD1 B:ASP18 2.2 47.0 1.0
O B:ASN72 2.4 40.6 1.0
OD2 B:PHD70 2.4 41.5 1.0
OP2 B:PHD70 2.5 41.5 1.0
CG B:ASP18 3.2 47.1 1.0
C B:ASN72 3.2 38.7 1.0
CG B:PHD70 3.2 39.6 1.0
P B:PHD70 3.4 40.8 1.0
OD2 B:ASP18 3.5 47.5 1.0
OD1 B:PHD70 3.5 39.8 1.0
CB B:ASN72 3.9 39.5 1.0
CA B:ASN72 4.0 38.9 1.0
OE2 B:GLU17 4.0 40.5 1.0
N B:LEU73 4.1 39.1 1.0
OP3 B:PHD70 4.1 41.5 1.0
N B:ASN72 4.2 36.1 1.0
ND2 B:ASN72 4.3 41.7 1.0
CA B:LEU73 4.3 39.7 1.0
CG B:ASN72 4.4 41.4 1.0
CB B:ASP18 4.5 47.6 1.0
CB B:PHD70 4.6 36.5 1.0
OP1 B:PHD70 4.7 42.2 1.0
N B:ASP18 4.7 43.8 1.0
CD2 B:LEU73 4.8 34.7 1.0
CD B:GLU17 5.0 41.0 1.0

Reference:

C.Benda, C.Scheufler, N.Tandeau De Marsac, W.Gaertner. Crystal Structures of Two Cyanobacterial Response Regulators in Apo- and Phosphorylated Form Reveal A Novel Dimerization Motif of Phytochrome-Associated Response Regulators Biophys.J. V. 87 476 2004.
ISSN: ISSN 0006-3495
PubMed: 15240481
DOI: 10.1529/BIOPHYSJ.103.033696
Page generated: Mon Dec 14 06:12:52 2020

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