Magnesium in PDB 1fxx: The Structure of Exonuclease I Suggests How Processivity Is Achieved

All present enzymatic activity of The Structure of Exonuclease I Suggests How Processivity Is Achieved:
3.1.11.1;

The structure of The Structure of Exonuclease I Suggests How Processivity Is Achieved, PDB code: 1fxx was solved by W.A.Breyer, B.W.Matthews, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.40
Space group	P 65 2 2
Cell size a, b, c (Å), α, β, γ (°)	84.410, 84.410, 298.650, 90.00, 90.00, 120.00
R / Rfree (%)	20.4 / 23.6

The binding sites of Magnesium atom in the The Structure of Exonuclease I Suggests How Processivity Is Achieved (pdb code 1fxx). 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 The Structure of Exonuclease I Suggests How Processivity Is Achieved, PDB code: 1fxx:

Magnesium binding site 1 out of 1 in the The Structure of Exonuclease I Suggests How Processivity Is Achieved


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of The Structure of Exonuclease I Suggests How Processivity Is Achieved within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg501 b:58.7 occ:1.00 OD1 A:ASP108 2.7 34.8 1.0 O A:HOH627 2.8 33.5 1.0 O A:TYR102 2.9 31.2 1.0 O A:HOH640 3.0 49.6 1.0 OD1 A:ASP15 3.3 33.9 1.0 CG A:ASP108 3.6 34.0 1.0 O A:HOH604 3.7 38.6 1.0 OD2 A:ASP108 3.7 34.5 1.0 C A:TYR102 4.1 31.3 1.0 CB A:ASN103 4.4 31.4 1.0 CG A:ASP15 4.6 34.0 1.0 CD2 A:PHE107 4.6 34.6 1.0 C A:ASN103 4.6 32.4 1.0 O A:ASN103 4.7 32.1 1.0 ND2 A:ASN103 4.8 32.8 1.0 CA A:ASN103 4.9 32.1 1.0 N A:ASN104 4.9 33.0 1.0 N A:ASN103 4.9 31.6 1.0

W.A.Breyer, B.W.Matthews. Structure of Escherichia Coli Exonuclease I Suggests How Processivity Is Achieved. Nat.Struct.Biol. V. 7 1125 2000.
ISSN: ISSN 1072-8368
PubMed: 11101894
DOI: 10.1038/81978