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Magnesium in PDB 1qhg: Structure of Dna Helicase Mutant with Adpnp

Protein crystallography data

The structure of Structure of Dna Helicase Mutant with Adpnp, PDB code: 1qhg was solved by P.Soultanas, M.S.Dillingham, S.S.Velankar, D.B.Wigley, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 2.50
Space group P 65
Cell size a, b, c (Å), α, β, γ (°) 138.098, 138.098, 111.086, 90.00, 90.00, 120.00
R / Rfree (%) 22 / 26.9

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Structure of Dna Helicase Mutant with Adpnp (pdb code 1qhg). 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 Structure of Dna Helicase Mutant with Adpnp, PDB code: 1qhg:

Magnesium binding site 1 out of 1 in 1qhg

Go back to Magnesium Binding Sites List in 1qhg
Magnesium binding site 1 out of 1 in the Structure of Dna Helicase Mutant with Adpnp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Dna Helicase Mutant with Adpnp within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg725

b:56.6
occ:1.00
O1G A:ATP726 2.3 58.6 1.0
OG1 A:THR38 2.8 37.3 1.0
O A:HOH734 3.3 33.1 1.0
PG A:ATP726 3.5 51.2 1.0
O2A A:ATP726 3.6 72.3 1.0
O3A A:ATP726 3.7 66.4 1.0
CB A:THR38 3.7 21.1 1.0
O1B A:ATP726 3.7 70.5 1.0
O3B A:ATP726 3.7 66.7 1.0
PB A:ATP726 3.9 61.4 1.0
PA A:ATP726 4.2 73.5 1.0
CG2 A:THR38 4.4 22.3 1.0
O2G A:ATP726 4.4 59.0 1.0
O3G A:ATP726 4.4 60.8 1.0
O A:HOH780 4.6 65.8 1.0
OE2 A:GLU71 4.7 46.6 1.0
O1A A:ATP726 4.7 54.1 1.0
N A:THR38 4.8 17.1 1.0
CA A:THR38 4.8 22.6 1.0
O A:HOH832 5.0 63.6 1.0

Reference:

P.Soultanas, M.S.Dillingham, S.S.Velankar, D.B.Wigley. Dna Binding Mediates Conformational Changes and Metal Ion Coordination in the Active Site of Pcra Helicase. J.Mol.Biol. V. 290 137 1999.
ISSN: ISSN 0022-2836
PubMed: 10388562
DOI: 10.1006/JMBI.1999.2873
Page generated: Tue Aug 13 11:51:40 2024

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