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Magnesium in PDB 1dbq: Dna-Binding Regulatory Protein

Protein crystallography data

The structure of Dna-Binding Regulatory Protein, PDB code: 1dbq was solved by M.A.Schumacher, K.Y.Choi, F.Lu, H.Zalkin, R.G.Brennan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 2.20
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 38.040, 125.260, 61.290, 90.00, 100.17, 90.00
R / Rfree (%) n/a / n/a

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Dna-Binding Regulatory Protein (pdb code 1dbq). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Dna-Binding Regulatory Protein, PDB code: 1dbq:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in 1dbq

Go back to Magnesium Binding Sites List in 1dbq
Magnesium binding site 1 out of 3 in the Dna-Binding Regulatory Protein


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Dna-Binding Regulatory Protein within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg1

b:65.8
occ:1.00
OE2 B:GLU82 3.7 52.4 1.0
OE1 B:GLU82 3.9 56.1 1.0
OE2 A:GLU82 3.9 45.4 1.0
O A:HOH380 4.1 42.6 1.0
CD B:GLU82 4.1 44.6 1.0
OE1 A:GLU70 4.5 0.0 1.0
OE2 A:GLU70 4.6 77.3 1.0
CD A:GLU82 4.6 37.0 1.0
OE1 A:GLU82 4.7 42.0 1.0
OE2 A:GLU79 4.8 79.8 1.0
CG A:GLU79 4.9 28.1 1.0
CG B:GLU79 5.0 69.2 1.0

Magnesium binding site 2 out of 3 in 1dbq

Go back to Magnesium Binding Sites List in 1dbq
Magnesium binding site 2 out of 3 in the Dna-Binding Regulatory Protein


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Dna-Binding Regulatory Protein within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg2

b:75.0
occ:1.00
O A:HOH429 3.4 45.6 1.0

Magnesium binding site 3 out of 3 in 1dbq

Go back to Magnesium Binding Sites List in 1dbq
Magnesium binding site 3 out of 3 in the Dna-Binding Regulatory Protein


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Dna-Binding Regulatory Protein within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Mg3

b:76.0
occ:1.00
O B:HOH393 3.1 61.7 1.0
OE2 B:GLU175 4.3 70.1 1.0
OE1 B:GLU175 4.4 0.0 1.0
CD B:GLU175 4.8 94.4 1.0

Reference:

M.A.Schumacher, K.Y.Choi, F.Lu, H.Zalkin, R.G.Brennan. Mechanism of Corepressor-Mediated Specific Dna Binding By the Purine Repressor. Cell(Cambridge,Mass.) V. 83 147 1995.
ISSN: ISSN 0092-8674
PubMed: 7553867
DOI: 10.1016/0092-8674(95)90243-0
Page generated: Mon Dec 14 05:50:18 2020

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