Magnesium in PDB 3u6f: Mouse TREX1 D200N Mutant

All present enzymatic activity of Mouse TREX1 D200N Mutant:
3.1.11.2;

The structure of Mouse TREX1 D200N Mutant, PDB code: 3u6f was solved by S.L.Bailey, S.Harvey, F.W.Perrino, T.Hollis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.22 / 2.30
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	64.886, 56.644, 68.143, 90.00, 107.97, 90.00
R / Rfree (%)	21.9 / 28.8

The binding sites of Magnesium atom in the Mouse TREX1 D200N Mutant (pdb code 3u6f). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Mouse TREX1 D200N Mutant, PDB code: 3u6f:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Mouse TREX1 D200N Mutant


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Mouse TREX1 D200N Mutant within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg5 b:34.9 occ:1.00 OP1 C:DG4 2.2 35.2 1.0 OD1 B:ASP18 2.3 37.0 1.0 O B:HOH332 2.3 38.1 1.0 O B:HOH363 2.3 27.0 1.0 O B:HOH370 2.5 33.4 1.0 O3' C:DC3 2.8 39.4 1.0 P C:DG4 3.0 27.8 1.0 CG B:ASP18 3.3 28.0 1.0 OD2 B:ASP18 3.7 27.3 1.0 HD22 B:ASN200 3.9 38.9 1.0 O B:HOH338 4.0 27.6 1.0 O C:HOH22 4.0 19.4 1.0 OP2 C:DG4 4.0 32.9 1.0 HB3 B:HIS124 4.0 44.3 1.0 C3' C:DC3 4.1 41.1 1.0 O B:HOH334 4.2 30.2 1.0 H B:LEU19 4.2 29.2 1.0 O5' C:DG4 4.2 19.1 1.0 HB3 B:ASN200 4.2 31.4 1.0 C4' C:DC3 4.2 36.8 1.0 O B:LEU19 4.3 28.8 1.0 OD1 B:ASP130 4.3 40.6 1.0 OD2 B:ASP130 4.3 42.7 1.0 C5' C:DC3 4.4 36.6 1.0 ND2 B:ASN200 4.4 32.4 1.0 O B:HIS124 4.4 33.2 1.0 C5' C:DG4 4.5 22.0 1.0 HA B:ASP18 4.5 30.8 1.0 CB B:ASP18 4.6 26.2 1.0 HD21 B:ASN200 4.7 38.9 1.0 HB2 B:ASP18 4.7 31.4 1.0 CG B:ASP130 4.8 42.2 1.0 HD21 B:LEU179 4.8 36.1 1.0 HD2 B:TYR129 4.8 47.5 1.0 H B:HIS124 4.8 49.5 1.0 CB B:ASN200 4.9 26.2 1.0 HB2 B:ASN200 4.9 31.4 1.0 N B:LEU19 4.9 24.3 1.0 CG B:ASN200 5.0 31.7 1.0

Magnesium binding site 2 out of 2 in the Mouse TREX1 D200N Mutant


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Mouse TREX1 D200N Mutant within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg5 b:45.1 occ:1.00 OP1 D:DG4 2.3 31.9 1.0 OD1 A:ASP18 2.3 41.1 1.0 O A:HOH381 2.3 34.0 1.0 O A:HOH331 2.4 21.5 1.0 O A:HOH359 2.4 23.2 1.0 O3' D:DC3 2.7 34.8 1.0 P D:DG4 3.0 24.8 1.0 CG A:ASP18 3.4 33.7 1.0 O A:HOH329 3.7 24.8 1.0 OD2 A:ASP18 3.8 29.4 1.0 C3' D:DC3 3.9 29.8 1.0 O D:HOH142 4.1 41.8 1.0 C4' D:DC3 4.1 30.1 1.0 OP2 D:DG4 4.1 24.9 1.0 OD1 A:ASP130 4.2 29.8 1.0 O5' D:DG4 4.2 23.7 1.0 C5' D:DG4 4.3 26.6 1.0 H A:LEU19 4.3 36.1 1.0 HB3 A:ASN200 4.3 37.1 1.0 OD2 A:ASP130 4.3 32.3 1.0 O A:HOH382 4.3 24.5 1.0 HD21 A:ASN200 4.3 51.4 1.0 C5' D:DC3 4.3 30.0 1.0 O A:HIS124 4.4 29.1 1.0 O A:LEU19 4.4 32.2 1.0 HB3 A:HIS124 4.5 33.2 1.0 HA A:ASP18 4.5 36.3 1.0 ND2 A:ASN200 4.6 42.9 1.0 CB A:ASP18 4.7 30.8 1.0 CG A:ASP130 4.7 31.8 1.0 HD2 A:TYR129 4.7 40.0 1.0 HB2 A:ASP18 4.8 36.9 1.0 C2' D:DC3 4.8 29.9 1.0 HD21 A:LEU179 4.9 31.4 1.0 CB A:ASN200 4.9 31.0 1.0 HB2 A:ASN200 4.9 37.1 1.0 HD22 A:ASN200 5.0 51.4 1.0 CG A:ASN200 5.0 39.0 1.0 N A:LEU19 5.0 30.1 1.0

S.L.Bailey, S.Harvey, F.W.Perrino, T.Hollis. Defects in Dna Degradation Revealed in Crystal Structures of TREX1 Exonuclease Mutations Linked to Autoimmune Disease. Dna Repair V. 11 65 2012.
ISSN: ISSN 1568-7864
PubMed: 22071149
DOI: 10.1016/J.DNAREP.2011.10.007